The one that is behind the valley pan. I wanted to see what y’all think. 6L 4 -FLEECE FPE-LML-CP REAR ENGINE Dodge Challenger Charger Engine Cover Valve 5. This kit is designed to bypass and filter small amounts of the engine’s coolant while your diesel engine is running. Refer to the Engine Mechanical sub-section in the appropriate Service Manual. went for a drive and turns out that i now have a waterfall of coolant coming out from where the lower rad hose attaches to the rad. After having some fun in the Duramax doing some "tire testing", she started losing some coolant on the ride home. and replace cap. 2011-2016 Duramax LML Rear Engine Cover Coolant Return Plug Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. If you lose all the coolant, the engine will overheat and can cause engine damage. OE covers are prone to leakage over time, our billet coolant block off plate with an integral O-ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good. When the gasket first fails, you may not even know what's happening because the leakage can be internal. EGR cooler leaks are a motor killer. For today, I just parked at work, and found the most level parking spot I could and am gonna have it sit for about 9 hours and see where the puddles end up. New to this engine, and not sure where to start. The first kind of leak will be obvious and can be easily detected. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. (Credit: Tony Harrison, Flickr). I know it's vague but until I can get under it tomorrow night I figured I would fish for probable causes and pointers. Designed to remove the EGR from the Duramax LML engine 2011 - 2016. Now I noticed it’s dripping from here when I stop and shut it off. Audi allroad - coolant leak, the puddle on the ground is midway (front/back) of the engine compartment on the - passenger side. A stop leak product cannot work everywhere in an engine to fix the leak. 6L) Post by thefordmaniac » Wed Sep 04, 2013 3:15 am there are no coolant lines that run through the throttle body on these trucks. New to this engine, and not sure where to start. When "bubbles" disappear from reservoir, turn off vehicle. Whereas an engine oil product works great to stop a leak in rubber oil pan gasket. Leave the cap off and start the engine. The engine coolant temperature sensor is located in the thermostat housing. The coolant was coming out from between the transmission and engine. -based company has a great reputation, and its first head gasket leak repair patent dates back to 1950. 6L engines equipped with multiple cooler EGR system. Engine coolant is used to help keep the engine from overheating during its normal operation. I wanted to see what y’all think. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. This case study used an aftermarket scan tool example, it shows the air leak PID, which is a built-in leak indicator. About a month ago my duramax started losing coolant, check radiator, water pump area and all hoses can't find the leak. Add coolant to reservoir if needed. Remove the glow plugs and the IGN 1 relay and pressurize the cooling system to 15-17 PSI. When the gasket fails, the general problem is that cylinder pressure leaks into the cooling passage, over-pressurizing the cooling system and in turn pushing coolant out of the reservoir when it comes under heavy load. occurs first). If the coolant leaks in, it won’t be going around the cooling system, meaning the engine will overheat, and could lead to a blown head gasket. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. Even the hose. Pulled oil cap, set it on top, no blowby. Add years of life to your diesel engine with this Coolant Filter Bypass System. The coolant leak will need to have the cooling system pressure tested to see if a hose or component is leaking in the rear heater system. Crank the engine and check for. When "bubbles" disappear from reservoir, turn off vehicle. New to this engine, and not sure where to start. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids. I wanted to see what y’all think. The most common concern with blown head gaskets is the loss of engine coolant with no apparent visual leak. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. A stop leak product cannot work everywhere in an engine to fix the leak. One day I returned to my truck in a parking garage after an all day meeting, to the sweet smell of antifreeze. However, initial leaks will usually turn into consistent leaks which will put you at risk of running too low on coolant. change and noticed that the coolant overflow was a little low. -based company has a great reputation, and its first head gasket leak repair patent dates back to 1950. I thought this may be the pipes that run into the. I have a coolant leak, that I can't see, except as it drips down the transmission housing onto the floor. Another is a leak under the car that has gotten their attention, or maybe the check engine lamp is on and you find a code for excessive engine temp. If you did not replace the tank, it is probably still bad. Underneath, I've pulled the starter to track it up and found it was dripping from inside the housing of the flywheel. Completely removes the EGR system from the vehicle. With engine cold, fill radiator if needed. The first kind of leak will be obvious and can be easily detected. To add coolant. I noticed in december i was starting to loose a little coolant from the rear of the engine. After countless updates to the coolant system and repairing all the notorious engine oil leaks, I just found out today that a brand new coolant leak was Coolant is visable at the opening at the bottom of the bellhousing (where the trans and engine come together). With every generation of Duramax engine, there are common failure points electrically. There was no leaks on the ground and I spent weeks trying to find this damn leak with no luck. Duramax LML Rear Engine Cover Coolant Return Plug Fleece Performance --- SKU: AB-FLC-FPE-LML-CP-T14-PRM ---Brand: Fleece ---Condition: New ---MPN: FPE-LML-CP 2011-2018 Duramax LML Rear Engine Cover Coolant Return Plug - Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. change and noticed that the coolant overflow was a little low. Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. Adjust reservoir coolant level as needed. Powdercoated Intercooler Pipe reduces potential for boost leaks. 2004 chevrolet duramax coolant resevoir reading low coolant level - low coolant level reading on dash instrumentation low on coolant in resevoir. The one that is behind the valley pan. If you would like to get an estimate for this repair, you can enter your. 6L Duramax diesel engine (RPO L5P) may display a Driver Information Center low coolant message or may show coolant consumption or a coolant leak. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. Make sure the engine is cold. Add coolant to reservoir if needed to half full level. dependability and emission control performance of. LB7 Duramax Diesel 6. Duramax LML Rear Engine Cover Coolant Return Plug Fleece Performance --- SKU: AB-FLC-FPE-LML-CP-T14-PRM ---Brand: Fleece ---Condition: New ---MPN: FPE-LML-CP 2011-2018 Duramax LML Rear Engine Cover Coolant Return Plug - Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. The injector sleeve is often dislodged during an injector removal. The coolant leak may be caused by a cracked heater outlet pipe along the lower bracket weld. The leak seems almost too fast, keeps leaking with the engine off too. Duramax Engine LLY 2004. I have a '06 Duramax that keeps showing a small coolant leak at the rear of the passengers side of the block right at the seam where the engine meets the allison. No obvious sign of leaking from cooling system, engine overheated few times in past, means somewhere else is leaking = head gasket. Sounds odd that it started leaking at the header tank and immediately went to the rear of the engine. Engine Coolant Thermostat Housing - Repair or Replace A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your Chevrolet Silverado 2500 to overheat. Duramax Intake/Exhaust Leak Check Shortcut. Or, ask your favourite diesel shop outside Ontario to install. When "bubbles" disappear from reservoir, turn off vehicle. Similar to a loss of oil, an external oil cooler failure may force all of the engine coolant out of the engine. Even the hose. The same spot a leaking rear main. Re: Coolant Leak from Rear of Engine (2004 4. If the oil cooler is leaking oil, remove the oil cooler from the engine. The DPF is located under the vehicle in the exhaust system. Added about 3/4L of coolant again. I have a 12' Duramax. Now I noticed it’s dripping from here when I stop and shut it off. If not that may be the issue and the coolant is steaming out by the injector. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. Add coolant to reservoir if needed to half full level. If the sleeve is leaking what action should I take? my duramax diesel oil filler tube was leaking oil put new o ring in and 3 days later front main is leaking excessively also noticed slight change in idle roughness and possible blow. 7l 345 HEMI Mopar F8 Green 2pcs. Coolant leaks around the thermostat housing or under the vehicle Another indication may also be leaking coolant which can be caused by the thermostat not allowing coolant to flow when it is stuck. This kit is designed to bypass and filter small amounts of the engine’s coolant while your diesel engine is running. Could also be the crossover pipe if it has a leak as well You have to make sure that the coolant leak is not coming from somewhere else and showing itself at that particular spot. The coolant leak will need to have the cooling system pressure tested to see if a hose or component is leaking in the rear heater system. The coolant bottle is one bottle with 2 separate compartments inside. Today while the car was dripping coolant after a drive, I took the engine cover off and tried finding the leak with a flashlight and literally sticking my head behind the. If the sleeve is leaking what action should I take? my duramax diesel oil filler tube was leaking oil put new o ring in and 3 days later front main is leaking excessively also noticed slight change in idle roughness and possible blow. Even the hose. This kit is designed to bypass and filter small amounts of the engine’s coolant while your diesel engine is running. Appears to be dripping from above when cold but like I said can't isolate it. In many cases, the coolant can drip down on a hot part of the engine and evaporate. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids. A coolant leak or coolant smell at the front passenger-side of the vehicle may be noticed on some 2019-2021 Silverado 4500HD/5500HD/6500HD models equipped with the 6. The DPF is located under the vehicle in the exhaust system. Coolant leaks can occur anywhere in the cooling system. Add years of life to your diesel engine with this Coolant Filter Bypass System. hose has finally got a fix. When "bubbles" disappear from reservoir, turn off vehicle. Now I noticed it’s dripping from here when I stop and shut it off. Crank the engine and check for. 6L Duramax diesel engine (RPO L5D). However, initial leaks will usually turn into consistent leaks which will put you at risk of running too low on coolant. Today while the car was dripping coolant after a drive, I took the engine cover off and tried finding the leak with a flashlight and literally sticking my head behind the. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. The engine coolant temperature sensor is located in the thermostat housing. I can't find any sign on the top side between the engine and firewall. When the gasket first fails, you may not even know what's happening because the leakage can be internal. Here are the causes. 2004 chevrolet duramax coolant resevoir reading low coolant level - low coolant level reading on dash instrumentation low on coolant in resevoir. Now I noticed it’s dripping from here when I stop and shut it off. There is a hard to see engine cooling hose that goes from top rear center of engine (below the cabin air filter housing) down to the heater valve. These conditions may be due to cooling system leaks or an improper coolant fill. Duramax Engine Service Manuals, Fault Codes and Wiring Diagrams. The DPF is located under the vehicle in the exhaust system. Duramax Engine LMM 2008 to 2010. A coolant leak can be tough to find. It looks like its leaking from the bellhousing/rear of the engine. The header tank problem is most likely a bad header tank, they fail at the bleed line nipple. However, initial leaks will usually turn into consistent leaks which will put you at risk of running too low on coolant. However, you might start to notice coolant in. One day I returned to my truck in a parking garage after an all day meeting, to the sweet smell of antifreeze. After going sherlock mode around the engine bay I noticed a slight pool of coolant appearing on the passenger side of the motor, top side, coming from a 4" metal pipe that comes out the top middle of the motor, goes into a 90. Users report that this product works as described. EGR cooler failure. With engine cold, fill radiator if needed. Or, ask your favourite diesel shop outside Ontario to install. Now I noticed it’s dripping from here when I stop and shut it off. Underneath, I've pulled the starter to track it up and found it was dripping from inside the housing of the flywheel. A coolant leak or coolant smell at the front passenger-side of the vehicle may be noticed on some 2019-2021 Silverado 4500HD/5500HD/6500HD models equipped with the 6. Removing the cap from the reservoir released this pressure (there was audible air escaping) and I was able to squeeze the upper rad hose. Coolant Loss; Visible Coolant Leaks; Fix Your LLY Duramax Water Pump Problems. This case study used an aftermarket scan tool example, it shows the air leak PID, which is a built-in leak indicator. The OEM LMM cooling lines have a fatal design flaw which causes them to leak at the crimp. New to this engine, and not sure where to start. Fitment Notes: 2001-2017 GM Duramax. The first symptom of trouble is usually engine overheating. Use care to remove only the five bolts that hold the oil cooler to the engine block. Coolant Leaking On 05 Duramax Diesels Forum Duramax Engine Driven On Board Air 8 Cfm At 100psi 200psi Max mondeo mk4 rear light wiring diagram;. occurs first). If it is leaking on the driver's side at the rear, I would check the oil cooler for coolant leaks and also check in the valley for leaks up there that are running down from up top. 3L IDI, and the 7. It is a two wire sensor that provides an analog signal. The Duramax engine is equipped with a Diesel Particulate Filter (DPF) that, by design, will filter or trap particulates. Now I noticed it’s dripping from here when I stop and shut it off. I also checked for traces. invest in a pressure tester and take a look. I have a '06 Duramax that keeps showing a small coolant leak at the rear of the passengers side of the block right at the seam where the engine meets the allison. 2011-2016 Duramax LML Rear Engine Cover Coolant Return Plug Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. These conditions may be due to cooling system leaks or an improper coolant fill. The coolant was coming out from between the transmission and engine. I have a coolant leak, that I can't see, except as it drips down the transmission housing onto the floor. For examples, an engine oil additive can never be able to stop a leak near the front seal, any sort of cork gasket or rear main seal. I noticed in december i was starting to loose a little coolant from the rear of the engine. I initially thought it was a head gasket, b. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 3L IDI, and the 7. at the intervals specified to help ensure the safety, See Engine Coolant on page 5-25 for further details. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids. However, initial leaks will usually turn into consistent leaks which will put you at risk of running too low on coolant. Duramax Engine Service Manuals PDF, spare parts catalog, fault codes and wiring diagrams. The leak seems almost too fast, keeps leaking with the engine off too. A coolant leak can be tough to find. When GM changed body styles with the 2008 Duramax, the One problem can rear its head when you are pushing the power of the LMM to a level GM never I have a 2021 sierra diesel. I'm pretty sure you all know which one I'm talking about, passenger rear of engine. The gasket commonly fails across the back of the motor at the firewall where exhaust heat increases gasket stress. The most common concern with blown head gaskets is the loss of engine coolant with no apparent visual leak. 6L Duramax diesel engine (RPO L5P) may display a Driver Information Center low coolant message or may show coolant consumption or a coolant leak. Removing the cap from the reservoir released this pressure (there was audible air escaping) and I was able to squeeze the upper rad hose. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. Coolant Loss; Visible Coolant Leaks; Fix Your LLY Duramax Water Pump Problems. 2017 Silverado and Sierra models equipped with the 6. There was no leaks on the ground and I spent weeks trying to find this damn leak with no luck. Page 111 Service and Maintenance 11-3 Windshield washer fluid level Fluids visual leak check (or If the engine oil life system is reset check. These conditions may be due to cooling system leaks or an improper coolant fill. EGR cooler failure. I know it's vague but until I can get under it tomorrow night I figured I would fish for probable causes and pointers. I took the truck back in yesterday for the leak, again, and was informed that DC finally has a TSB, for the problem. Or, ask your favourite diesel shop outside Ontario to install. The most common concern with blown head gaskets is the loss of engine coolant with no apparent visual leak. The water pump is one of the most dreaded problems found on these trucks because of how much of a pain they are to fix. Coolant leaks around the thermostat housing or under the vehicle Another indication may also be leaking coolant which can be caused by the thermostat not allowing coolant to flow when it is stuck. I can't see any of the egr cooler hoses leaking and the heater hoses are all good too. change and noticed that the coolant overflow was a little low. 3L IDI, and the 7. It plugs the leaks on head. 7l 345 HEMI Mopar F8 Green 2pcs. About a month ago my duramax started losing coolant, check radiator, water pump area and all hoses can't find the leak. 2017 Silverado and Sierra models equipped with the 6. Fitment Notes: 2001-2017 GM Duramax. Coolant leaks can occur anywhere in the cooling system. The cooling lines circulate coolant throughout the transmission to prevent overheating. occurs first). Even the hose. Similar to a loss of oil, an external oil cooler failure may force all of the engine coolant out of the engine. When I start the engine sometimes the coolant fan comes on and won't. There is a hard to see engine cooling hose that goes from top rear center of engine (below the cabin air filter housing) down to the heater valve. Start engine and let it idle. i got out and looked, found a large puddle of yellow liquid on the ground under the rear of the engine. The engine coolant temperature sensor is located in the thermostat housing. Now I noticed it’s dripping from here when I stop and shut it off. Let me give a little background here just incase any of the information is relevant: I did a routine coolant change on my '92 N/A in november (i think) by pulling the lower radiator hose. Appears to be dripping from above when cold but like I said can't isolate it. When "bubbles" disappear from reservoir, turn off vehicle. at the intervals specified to help ensure the safety, See Engine Coolant on page 5-25 for further details. The leak seems almost too fast, keeps leaking with the engine off too. Engine coolant is used to help keep the engine from overheating during its normal operation. If you lose all the coolant, the engine will overheat and can cause engine damage. The most common concern with blown head gaskets is the loss of engine coolant with no apparent visual leak. I know it's vague but until I can get under it tomorrow night I figured I would fish for probable causes and pointers. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. Designed to remove the EGR from the Duramax LML engine 2011 - 2016. Coolant Leaking On 05 Duramax Diesels Forum Duramax Engine Driven On Board Air 8 Cfm At 100psi 200psi Max mondeo mk4 rear light wiring diagram;. Sounds odd that it started leaking at the header tank and immediately went to the rear of the engine. COOLANT LEAKING INTO CYLINDER DIAGNOSIS 1. The same spot a leaking rear main. A leak in any within 5 000 km/3,000 miles since system must be repaired and the last service. I have checked the coolant tank and the hose that connects to it, not leaking from there. , исходя из 34 оценки(ок) товара (34). 2006 lbz duramax leaking coolant from the back of block by oil filter, oil cooler elbow to block pissing coolant elbow part #97192667#duramax #lbz #oilcooler. The fuel temperature sensor is mounted at the rear of the left-hand return line. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. If the combustion gases leak out, the engine’s performance drops. Another is a leak under the car that has gotten their attention, or maybe the check engine lamp is on and you find a code for excessive engine temp. The water pump is one of the most dreaded problems found on these trucks because of how much of a pain they are to fix. Engine Coolant Thermostat Housing - Repair or Replace A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your Chevrolet Silverado 2500 to overheat. When the gasket first fails, you may not even know what's happening because the leakage can be internal. A coolant leak or coolant smell at the front passenger-side of the vehicle may be noticed on some 2019-2021 Silverado 4500HD/5500HD/6500HD models equipped with the 6. Engine was clean as far as I could see. EN-48974-20 — EGR Cooler Pressure Tester. 6L 4 -FLEECE FPE-LML-CP REAR ENGINE Dodge Challenger Charger Engine Cover Valve 5. Even the hose. Or, the car is on the back of a tow truck as a result of overheating on the road. 6L engines equipped with multiple cooler EGR system. 6L engines equipped with multiple cooler EGR system. OE covers are prone to leakage over time, our billet coolant block off plate with an integral O-ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good. Remove the glow plugs and the IGN 1 relay and pressurize the cooling system to 15-17 PSI. Engine coolant is used to help keep the engine from overheating during its normal operation. The coolant leak will need to have the cooling system pressure tested to see if a hose or component is leaking in the rear heater system. Coolant Loss; Visible Coolant Leaks; Fix Your LLY Duramax Water Pump Problems. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids. Or, the car is on the back of a tow truck as a result of overheating on the road. DHD 030-5001 Billet Rear Engine Cover Coolant Block Off Plate DHD's Billet Coolant Passage Block Plate is used to stop the problematic Duramax coolant leak where the stock cast plate is insta This seal is located between the rear cooler elbow and oil cooler on 2020 Duramax L5P trucks. 7L Powerstroke engines in Ford trucks as well as their equivalents in International. Appears to be dripping from above when cold but like I said can't isolate it. Use care to remove only the five bolts that hold the oil cooler to the engine block. No obvious sign of leaking from cooling system, engine overheated few times in past, means somewhere else is leaking = head gasket. Add coolant to reservoir if needed. For today, I just parked at work, and found the most level parking spot I could and am gonna have it sit for about 9 hours and see where the puddles end up. One day I returned to my truck in a parking garage after an all day meeting, to the sweet smell of antifreeze. If the oil cooler is leaking oil, remove the oil cooler from the engine. Another is a leak under the car that has gotten their attention, or maybe the check engine lamp is on and you find a code for excessive engine temp. Engine Coolant Thermostat Housing - Repair or Replace A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your Chevrolet Silverado 2500 to overheat. The OEM LMM cooling lines have a fatal design flaw which causes them to leak at the crimp. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. I wanted to see what y’all think. at the intervals specified to help ensure the safety, See Engine Coolant on page 5-25 for further details. It plugs the leaks on head. Have the coolant leak repaired as soon as possible. The most common concern with blown head gaskets is the loss of engine coolant with no apparent visual leak. Could also be the crossover pipe if it has a leak as well You have to make sure that the coolant leak is not coming from somewhere else and showing itself at that particular spot. The gasket commonly fails across the back of the motor at the firewall where exhaust heat increases gasket stress. EGR cooler failure. Nine out of ten times, coolant leaks are easy to find because the coolant can be seen dripping, spraying, seeping or bubbling from the leaky component. Jump to Latest Follow. Coolant Loss; Visible Coolant Leaks; Fix Your LLY Duramax Water Pump Problems. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. It’s a simple product to use as you just need to add the K-Seal to your coolant system to create a fast and long-lasting fix. The EGR cooler can fail to allow coolant to enter the intake and into the motor, this doesn’t end well. The DPF is located under the vehicle in the exhaust system. While the Duramax block used in the LMM is a highly capable and reliable engine, it does suffer some limitations. The ONLY way I was able to determine this was to use a mirror and a coolant pressure tester. Owner Checks and Services Engine Coolant Level Check Check the engine coolant level and add These owner checks and services should be performed ® DEX-COOL coolant mixture if necessary. Appears to be dripping from above when cold but like I said can't isolate it. The first symptom of trouble is usually engine overheating. 7 из 5 звездоч. When the gasket fails, the general problem is that cylinder pressure leaks into the cooling passage, over-pressurizing the cooling system and in turn pushing coolant out of the reservoir when it comes under heavy load. hose has finally got a fix. Duramax Engine Service Manuals, Fault Codes and Wiring Diagrams. Underneath, I've pulled the starter to track it up and found it was dripping from inside the housing of the flywheel. Could also be the crossover pipe if it has a leak as well You have to make sure that the coolant leak is not coming from somewhere else and showing itself at that particular spot. COOLANT LEAKING INTO CYLINDER DIAGNOSIS 1. I can't find any sign on the top side between the engine and firewall. I know it's vague but until I can get under it tomorrow night I figured I would fish for probable causes and pointers. Duramax Engine LLY 2004. The coolant leak may be caused by a cracked heater outlet pipe along the lower bracket weld. The same spot a leaking rear main. Today while the car was dripping coolant after a drive, I took the engine cover off and tried finding the leak with a flashlight and literally sticking my head behind the. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. With every generation of Duramax engine, there are common failure points electrically. When the gasket first fails, you may not even know what's happening because the leakage can be internal. Even the hose. An oil leak from one of the main bearing cap side bolts may appear to be coming from the oil cooler. Engine was clean as far as I could see. Engine coolant leaking from oil cooler. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. If your Silverado’s cooling system is leaking water or coolant, here are the most common places that it may be leaking from. To add coolant. Was going through the normal oil change/fuel filter/ etc. The OEM LMM cooling lines have a fatal design flaw which causes them to leak at the crimp. It is a two wire sensor that provides an analog signal. Audi allroad - coolant leak, the puddle on the ground is midway (front/back) of the engine compartment on the - passenger side. Make sure the engine is cold. Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. About a month ago my duramax started losing coolant, check radiator, water pump area and all hoses can't find the leak. I wanted to see what y’all think. Here are the causes. Duramax LML Rear Engine Cover Coolant Return Plug Fleece Performance --- SKU: AB-FLC-FPE-LML-CP-T14-PRM ---Brand: Fleece ---Condition: New ---MPN: FPE-LML-CP 2011-2018 Duramax LML Rear Engine Cover Coolant Return Plug - Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. The fuel temperature sensor is mounted at the rear of the left-hand return line. Have the coolant leak repaired as soon as possible. I thought this may be the pipes that run into the. occurs first). Add coolant to reservoir if needed to half full level. I know it's vague but until I can get under it tomorrow night I figured I would fish for probable causes and pointers. Another is a leak under the car that has gotten their attention, or maybe the check engine lamp is on and you find a code for excessive engine temp. After countless updates to the coolant system and repairing all the notorious engine oil leaks, I just found out today that a brand new coolant leak was Coolant is visable at the opening at the bottom of the bellhousing (where the trans and engine come together). Designed to remove the EGR from the Duramax LML engine 2011 - 2016. I circled the area in the following picture of where I could see the drips - for orientation thats cylinder 7 spark plug. Even the hose. Appears to be dripping from above when cold but like I said can't isolate it. The engine coolant temperature sensor is located in the thermostat housing. and replace cap. it may be the heater hoses that run into the firewall. Is this a red flag, or are rebuilt blocks as good as new? A subreddit for talking about all things related to the International 6. Coolant Loss; Visible Coolant Leaks; Fix Your LLY Duramax Water Pump Problems. товар 4 FLEECE FPE-LML-CP REAR ENGINE COVER COOLANT RETURN PLUG FOR 2011-2016 GM 6. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. EN-48974-20 — EGR Cooler Pressure Tester. Removing the cap from the reservoir released this pressure (there was audible air escaping) and I was able to squeeze the upper rad hose. I wanted to see what y’all think. Other heater hose from firewall to engine under the oil filter area on the drivers side rear. The coolant was coming out from between the transmission and engine. 6L engines equipped with multiple cooler EGR system. It looks like its leaking from the bellhousing/rear of the engine. Duramax Engine LLY 2004. This kit is designed to bypass and filter small amounts of the engine’s coolant while your diesel engine is running. hurried home and deduced that it. Use care to remove only the five bolts that hold the oil cooler to the engine block. The coolant leak may be caused by a cracked heater outlet pipe along the lower bracket weld. Even the hose. Start engine and let it idle. Duramax Engine Service Manuals, Fault Codes and Wiring Diagrams. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. or the cross over tube under the intake. Coolant may enter the cylinder from a damaged seal between the fuel injector sleeve and the cylinder head. I have a '06 Duramax that keeps showing a small coolant leak at the rear of the passengers side of the block right at the seam where the engine meets the allison. Now I noticed it’s dripping from here when I stop and shut it off. Powdercoated Intercooler Pipe reduces potential for boost leaks. I know it's vague but until I can get under it tomorrow night I figured I would fish for probable causes and pointers. While the Duramax block used in the LMM is a highly capable and reliable engine, it does suffer some limitations. Coolant Loss; Visible Coolant Leaks; Fix Your LLY Duramax Water Pump Problems. Another is a leak under the car that has gotten their attention, or maybe the check engine lamp is on and you find a code for excessive engine temp. I wanted to see what y’all think. For examples, an engine oil additive can never be able to stop a leak near the front seal, any sort of cork gasket or rear main seal. Here are the causes. Owner Checks and Services Engine Coolant Level Check Check the engine coolant level and add These owner checks and services should be performed ® DEX-COOL coolant mixture if necessary. Place cold/hot control on hot. Engine Coolant Thermostat Housing - Repair or Replace A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your Chevrolet Silverado 2500 to overheat. Similar to a loss of oil, an external oil cooler failure may force all of the engine coolant out of the engine. Engine was clean as far as I could see. Appears to be dripping from above when cold but like I said can't isolate it. After having some fun in the Duramax doing some "tire testing", she started losing some coolant on the ride home. Now I noticed it’s dripping from here when I stop and shut it off. Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. However, initial leaks will usually turn into consistent leaks which will put you at risk of running too low on coolant. Keep a sharp eye on coolant levels, investigate coolant loss. Underneath, I've pulled the starter to track it up and found it was dripping from inside the housing of the flywheel. put it back on and filled up the radiator. At first, it is most common for fluid to only leak when it is cold outside or the engine is cold. Click to expand X2, if you have a EGR cooler or turbo coolant line leaking, it could just run down the back of the motor like that. Refer to the Engine Mechanical sub-section in the appropriate Service Manual. I can't find any sign on the top side between the engine and firewall. товар 4 FLEECE FPE-LML-CP REAR ENGINE COVER COOLANT RETURN PLUG FOR 2011-2016 GM 6. Fired it up, no warnings. After going sherlock mode around the engine bay I noticed a slight pool of coolant appearing on the passenger side of the motor, top side, coming from a 4" metal pipe that comes out the top middle of the motor, goes into a 90. I can't find any sign on the top side between the engine and firewall. The same spot a leaking rear main. or the cross over tube under the intake. Coolant leaks can occur anywhere in the cooling system. The DPF is located under the vehicle in the exhaust system. One day I returned to my truck in a parking garage after an all day meeting, to the sweet smell of antifreeze. For today, I just parked at work, and found the most level parking spot I could and am gonna have it sit for about 9 hours and see where the puddles end up. The header tank problem is most likely a bad header tank, they fail at the bleed line nipple. -based company has a great reputation, and its first head gasket leak repair patent dates back to 1950. Duramax Engine LMM 2008 to 2010. Or, the car is on the back of a tow truck as a result of overheating on the road. If you would like to get an estimate for this repair, you can enter your. This case study used an aftermarket scan tool example, it shows the air leak PID, which is a built-in leak indicator. See Washer Fluid in the every 12 months, whichever accidentally, service the vehicle owner manual. However, you might start to notice coolant in. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. OE covers are prone to leakage over time, our billet coolant block off plate with an integral O-ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good. Powdercoated Intercooler Pipe reduces potential for boost leaks. Now I noticed it’s dripping from here when I stop and shut it off. 6L R&R Remove and Replace Working on any automobile engine can be intimidating, and that is the very reason why mechanics stay in business, However some tasks that seem intimidating are not actually that difficult if you have the right tools and the right knowledge to complete the task at hand,. The most common concern with blown head gaskets is the loss of engine coolant with no apparent visual leak. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. One day I returned to my truck in a parking garage after an all day meeting, to the sweet smell of antifreeze. With every generation of Duramax engine, there are common failure points electrically. Place cold/hot control on hot. To add coolant. The OEM LMM cooling lines have a fatal design flaw which causes them to leak at the crimp. The EGR cooler can fail to allow coolant to enter the intake and into the motor, this doesn’t end well. Add coolant to reservoir if needed. Now I noticed it’s dripping from here when I stop and shut it off. The header tank problem is most likely a bad header tank, they fail at the bleed line nipple. I wanted to see what y’all think. Sounds odd that it started leaking at the header tank and immediately went to the rear of the engine. Letting coolant leak in. When the gasket first fails, you may not even know what's happening because the leakage can be internal. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. The first symptom of trouble is usually engine overheating. Let me give a little background here just incase any of the information is relevant: I did a routine coolant change on my '92 N/A in november (i think) by pulling the lower radiator hose. Coolant leaks around the thermostat housing or under the vehicle Another indication may also be leaking coolant which can be caused by the thermostat not allowing coolant to flow when it is stuck. Added about 3/4L of coolant again. 7L Powerstroke engines in Ford trucks as well as their equivalents in International. Duramax LML Rear Engine Cover Coolant Return Plug Fleece Performance --- SKU: AB-FLC-FPE-LML-CP-T14-PRM ---Brand: Fleece ---Condition: New ---MPN: FPE-LML-CP 2011-2018 Duramax LML Rear Engine Cover Coolant Return Plug - Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. New to this engine, and not sure where to start. Letting coolant leak in. went for a drive and turns out that i now have a waterfall of coolant coming out from where the lower rad hose attaches to the rad. Duramax Engine Service Manuals, Fault Codes and Wiring Diagrams. i got out and looked, found a large puddle of yellow liquid on the ground under the rear of the engine. Start engine and let it idle. This case study used an aftermarket scan tool example, it shows the air leak PID, which is a built-in leak indicator. With every generation of Duramax engine, there are common failure points electrically. Refer to the Engine Mechanical sub-section in the appropriate Service Manual. 7l 345 HEMI Mopar F8 Green 2pcs. However, you might start to notice coolant in. The one that is behind the valley pan. A leak in any within 5 000 km/3,000 miles since system must be repaired and the last service. Powdercoated Intercooler Pipe reduces potential for boost leaks. Leave the cap off and start the engine. After having some fun in the Duramax doing some "tire testing", she started losing some coolant on the ride home. 7 из 5 звездоч. The coolant was coming out from between the transmission and engine. The injector sleeve is often dislodged during an injector removal. I also checked for traces. With engine cold, fill radiator if needed. and replace cap. Even the hose. Click to expand X2, if you have a EGR cooler or turbo coolant line leaking, it could just run down the back of the motor like that. So even if you get 100,000 miles out of your original one, you should still be dreading when your water pump eventually does fail. A leak in any within 5 000 km/3,000 miles since system must be repaired and the last service. For today, I just parked at work, and found the most level parking spot I could and am gonna have it sit for about 9 hours and see where the puddles end up. See Washer Fluid in the every 12 months, whichever accidentally, service the vehicle owner manual. I was getting a small amount of pressure in the degas bottle Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more!. товар 4 FLEECE FPE-LML-CP REAR ENGINE COVER COOLANT RETURN PLUG FOR 2011-2016 GM 6. There is a hard to see engine cooling hose that goes from top rear center of engine (below the cabin air filter housing) down to the heater valve. A coolant leak can be tough to find. Owner Checks and Services Engine Coolant Level Check Check the engine coolant level and add These owner checks and services should be performed ® DEX-COOL coolant mixture if necessary. Now I noticed it’s dripping from here when I stop and shut it off. Duramax Engine LMM 2008 to 2010. -based company has a great reputation, and its first head gasket leak repair patent dates back to 1950. It looks like its leaking from the bellhousing/rear of the engine. 6L) Post by thefordmaniac » Wed Sep 04, 2013 3:15 am there are no coolant lines that run through the throttle body on these trucks. Click to expand X2, if you have a EGR cooler or turbo coolant line leaking, it could just run down the back of the motor like that. Today while the car was dripping coolant after a drive, I took the engine cover off and tried finding the leak with a flashlight and literally sticking my head behind the. If you would like to get an estimate for this repair, you can enter your. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. 20, was shipped essential to dealers to diagnose EGR cooler engine coolant leaks on all 2010-2011 Duramax™ 6. dependability and emission control performance of. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. The OEM LMM cooling lines have a fatal design flaw which causes them to leak at the crimp. With every generation of Duramax engine, there are common failure points electrically. If the tank is empty add coolant to about 3/4 full. EGR cooler failure. I thought this may be the pipes that run into the. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids. However, initial leaks will usually turn into consistent leaks which will put you at risk of running too low on coolant. I wanted to see what y’all think. Another is a leak under the car that has gotten their attention, or maybe the check engine lamp is on and you find a code for excessive engine temp. If you lose all the coolant, the engine will overheat and can cause engine damage. Duramax Engine LLY 2004. It’s a simple product to use as you just need to add the K-Seal to your coolant system to create a fast and long-lasting fix. I thought this may be the pipes that run into the. it may be the heater hoses that run into the firewall. Duramax Engine LLY 2004. 7 из 5 звездоч. When "bubbles" disappear from reservoir, turn off vehicle. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. Add coolant to reservoir if needed to half full level. The gasket commonly fails across the back of the motor at the firewall where exhaust heat increases gasket stress. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. Perhaps you have a head gasket leak, engine block leak, radiator leak or water pump leak…either way this product will solve your problems fast and professionally, for a fraction of the price. I have a '06 Duramax that keeps showing a small coolant leak at the rear of the passengers side of the block right at the seam where the engine meets the allison. Even the hose. Start engine and let it idle. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. Duramax Engine Service Manuals PDF, spare parts catalog, fault codes and wiring diagrams. I wanted to see what y’all think. Refer to the Engine Mechanical sub-section in the appropriate Service Manual. Now I noticed it’s dripping from here when I stop and shut it off. EGR cooler leaks are a motor killer. and replace cap. 7l 345 HEMI Mopar F8 Green 2pcs. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. (Credit: Tony Harrison, Flickr). However, initial leaks will usually turn into consistent leaks which will put you at risk of running too low on coolant. Appears to be dripping from above when cold but like I said can't isolate it. Click to expand X2, if you have a EGR cooler or turbo coolant line leaking, it could just run down the back of the motor like that. Now I noticed it’s dripping from here when I stop and shut it off. it may be the heater hoses that run into the firewall. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. Whether the coolant leak is large or small. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. The fuel temperature sensor is mounted at the rear of the left-hand return line. The one that is behind the valley pan. The water pump is one of the most dreaded problems found on these trucks because of how much of a pain they are to fix. If the tank is empty add coolant to about 3/4 full. There was no leaks on the ground and I spent weeks trying to find this damn leak with no luck. Nine out of ten times, coolant leaks are easy to find because the coolant can be seen dripping, spraying, seeping or bubbling from the leaky component. went for a drive and turns out that i now have a waterfall of coolant coming out from where the lower rad hose attaches to the rad. Remove the glow plugs and the IGN 1 relay and pressurize the cooling system to 15-17 PSI. The gasket commonly fails across the back of the motor at the firewall where exhaust heat increases gasket stress. In many cases, the coolant can drip down on a hot part of the engine and evaporate. After going sherlock mode around the engine bay I noticed a slight pool of coolant appearing on the passenger side of the motor, top side, coming from a 4" metal pipe that comes out the top middle of the motor, goes into a 90. To add coolant. The plug is made from high quality 6061 aluminum, anodized black, and laser etched with the Fleece Performace "F". I know it's vague but until I can get under it tomorrow night I figured I would fish for probable causes and pointers. Completely removes the EGR system from the vehicle. Nine out of ten times, coolant leaks are easy to find because the coolant can be seen dripping, spraying, seeping or bubbling from the leaky component. The OEM LMM cooling lines have a fatal design flaw which causes them to leak at the crimp. i got out and looked, found a large puddle of yellow liquid on the ground under the rear of the engine. For examples, an engine oil additive can never be able to stop a leak near the front seal, any sort of cork gasket or rear main seal. The coolant was coming out from between the transmission and engine. A coolant leak can be tough to find. Coolant may enter the cylinder from a damaged seal between the fuel injector sleeve and the cylinder head. Today while the car was dripping coolant after a drive, I took the engine cover off and tried finding the leak with a flashlight and literally sticking my head behind the. 7l 345 HEMI Mopar F8 Green 2pcs. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. If the tank is empty add coolant to about 3/4 full. The OEM LMM cooling lines have a fatal design flaw which causes them to leak at the crimp. This supplement gives the test adapter set a larger variety of sizes to accommodate the newer style coolers that have multiple ports. I wanted to see what y’all think. The header tank problem is most likely a bad header tank, they fail at the bleed line nipple. The first kind of leak will be obvious and can be easily detected. Jump to Latest Follow. Was going through the normal oil change/fuel filter/ etc. The plug is made from high quality 6061 aluminum, anodized black, and laser etched with the Fleece Performace "F". It plugs the leaks on head. With every generation of Duramax engine, there are common failure points electrically. Or, the car is on the back of a tow truck as a result of overheating on the road. For today, I just parked at work, and found the most level parking spot I could and am gonna have it sit for about 9 hours and see where the puddles end up. Engine coolant leaking from oil cooler. I know it's vague but until I can get under it tomorrow night I figured I would fish for probable causes and pointers. If you lose all the coolant, the engine will overheat and can cause engine damage. I have a 12' Duramax. Underneath, I've pulled the starter to track it up and found it was dripping from inside the housing of the flywheel. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done.