An oil cooler's external failure can leak out the coolant from the engine. The leak could result in anything from a small puddle to a steady stream of coolant under the vehicle. A coolant leak from a bad oil cooler can cause engine overheating problems. Get a professional to diagnose and manage the problem.Jun 29, 2021
What causes an oil cooler to leak?
Oil cooler gaskets can be defective directly from the factory. Loose seals can cause leaks. When the seal becomes loose, it can allow oil to escape and drip into areas where it can cause corrosion and other problems.Sep 8, 2020
Can you repair oil cooler?
The Industry Standard for repairing old, leaking oil coolers used to be epoxy applied directly to the area of the leak (although at Pacific Oil Cooler Service, Inc., we have never used epoxy to repair a leaking oil cooler – we perform all repairs using only an appropriate Inert-Gas type weld).
What happens if your oil cooler line leaks?
If the oil cooler lines begin to leak, they will let a good bit of the oil outside the vehicle since the lines are usually under pressure. ... Rather than putting a strain on the internal parts of an engine due to lack of lubrication, you will need to get the oil cooler lines replaced as soon as leaks are detected.Jan 11, 2016
Are oil leaks common in Mercedes?
There are several possibilities for causes of an oil leak on your Mercedes. On older models, worn or incorrectly fastened oil pan gaskets can cause oil to leak through. For M272 or 273 engines, the plastic expansion plugs located on the back of the cylinder heads may need to replaced.