Why does my Bluetec engine have an oil leak?
The combination of 130,000kms, oil cooler leakage and oil return for the turbo leaking in a large SUV in fact suggests driver operation under heavy loading for extended periods. It’s clear you either drive it like a commercial truck or a rally car, routinely sending oil and impeller temperatures through the roof during normal operation.
How can I tell if my diesel engine is leaking?
Part of owning a high mileage or older diesel is dealing with oil leaks. It is said that you can tell that a diesel is running because it is leaking oil. If you are chasing down oil leaks, here are some common sources to check. If it seems that your oil leak is coming “from nowhere” you are probably suffering from a failed valve cover gasket.
How long does it take to fix a diesel engine oil leak?
These tend to be very large leaks, too. Like the oil filter flange, the oil cooler is under high oil pressure so any leaks that start will worsen quickly. Replacing oil cooler seals can vary widely in difficulty – it is under an hour job on a VW TDI but might take 2 days on some Mercedes models.
What kind of exhaust fluid does BlueTEC use?
All Bluetec vehicles use Diesel exhaust fluid, also known as AdBlue. It is stored in an external tank, and it would freeze in cold weather. To prevent this, DEF tank is equipped with an electric heater which can burn out. You will be warned with a ‘check engine’ light if this happens.
What kind of oil leak does a Bluetec have?
I have a 2010 ML350 blutec with 140k miles currently in the shop for a third oil cooler leak. The first was at 50k. The second at 90k, and now at 140. Incidentally they first replaced the rear Mai which didn’t stop the leak.
Part of owning a high mileage or older diesel is dealing with oil leaks. It is said that you can tell that a diesel is running because it is leaking oil. If you are chasing down oil leaks, here are some common sources to check. If it seems that your oil leak is coming “from nowhere” you are probably suffering from a failed valve cover gasket.
These tend to be very large leaks, too. Like the oil filter flange, the oil cooler is under high oil pressure so any leaks that start will worsen quickly. Replacing oil cooler seals can vary widely in difficulty – it is under an hour job on a VW TDI but might take 2 days on some Mercedes models.
What kind of engine leaks in Mercedes Benz?
M272 – V6 used from 2004-2011, C-Class, E-Class, SLK, CLK, R-Class, Sprinter, GLK M273 – V8 used from 2006-2014, E-Class, SL, S-Class, CLS, G-Wagen, ML, GL, R-Class 272/273 Engines: The most likely rear engine leaks include the oil separator and the cam plugs ( 30mm and 65mm ).