What kind of seal is in Mercedes OM642 oil cooler?
New seal oil cooler seals are purple color made of viton rubber it will resolve your leak problem for good, or a very very long time. These are the new seals that are in all 2010 Mercedes OM642 Bluetec engine!
Where is the oil cooler on a Mercedes?
The older or aftermarket orange seals will leak much sooner. Unfortunately, the oil cooler is located at the bottom of the middle of the engine “V” design. It is underneath intake manifolds, EGR equipment, coolant lines and the turbocharger. All these items must be removed before the oil cooler can be removed.
Why did my 2007 OM642 oil cooler leak?
When I had my 2007 Jeep with the 642 in it, the intake tube had an orange seal where the crankcase breather attached to the tube right before the turbo. That had a tendency to leak oil all over (and in) the swirl flap motor causing it to fail. You know how much of a PITA that thing is to work on.
Can a diesel engine have an oil cooler leak?
The Achilles heel of this engine, unfortunately, is the oil cooler seal design. We’ll go over which vehicles are affected, the signs and symptoms plus let you know what to expect on a repair. All models that were equipped with the 3.0L V6 diesel engine, engine code OM642, can be affected by this problem.
Where does the oil leak come from on a Mercedes ML320?
Bernie: The oil leak it was coming from the center of the engine, the valley area so on a V engine there’s two banks of cylinders, one on the left, one on the right and in between it forms a V, the valley sits in the middle and this is where they positioned the engine oil cooler.
New seal oil cooler seals are purple color made of viton rubber it will resolve your leak problem for good, or a very very long time. These are the new seals that are in all 2010 Mercedes OM642 Bluetec engine!
What should I do if my Mercedes oil cooler leaks?
Once the seals start to leak slowly the rate of leak will increase very fast. You may not initially get oil stains when parked as Mercedes models come with a fairly large undercarriage cover (aka belly pan) that can collect a significant amount of oil before it leaks over. Repair involves replacing the two seals on the oil cooler.
The Achilles heel of this engine, unfortunately, is the oil cooler seal design. We’ll go over which vehicles are affected, the signs and symptoms plus let you know what to expect on a repair. All models that were equipped with the 3.0L V6 diesel engine, engine code OM642, can be affected by this problem.
The older or aftermarket orange seals will leak much sooner. Unfortunately, the oil cooler is located at the bottom of the middle of the engine “V” design. It is underneath intake manifolds, EGR equipment, coolant lines and the turbocharger. All these items must be removed before the oil cooler can be removed.
Why is the oil cooler seal leaking on my Mercedes ML320?
The yellow arrow points to the intake points that are covered with carbon deposits which restricts airflow into the engine. The green arrow points to the turbostand mounting. There is a lot of oil in this area and likely another source of this engine’s oil leakage. Mark: Sounds like a lot of work to get at the oil cooler.
When I had my 2007 Jeep with the 642 in it, the intake tube had an orange seal where the crankcase breather attached to the tube right before the turbo. That had a tendency to leak oil all over (and in) the swirl flap motor causing it to fail. You know how much of a PITA that thing is to work on.