Why do all diesels leak oil?
Old diesel engines leak oil. Most of the leaks come from seals and gaskets that have aged and are no longer doing their job. The seals and gaskets dry out or harden with age and allow the fluid to leak by.
Do Cummins oil pumps go bad?
Oil pumps hardly ever go bad unless completely contaminated by dirt and debri. Oil pressure sending unit is probably bad . To verify install a manual gauge on the oil cooler housing, there will be a 1/8 pipe plug there . Remove this and install a gauge.
How many horsepower is a M11 Cummins?
The Cummins M11 Series ranges from 280 to 400 horsepower. “
Is it common for diesels to leak oil?
Old diesel engines leak oil. It is kind of the nature of the beast. Most of the leaks come from seals and gaskets that have aged and are no longer doing their job. The seals and gaskets dry out or harden with age and allow the fluid to leak by.
Are there any problems with the M11 Cummins Engine?
Oil leaks at the front accessory drive cover and at the pass through connector at the back of the head and at the oil pan and at the compressor mount. Only real problem was it had a sunken liner when we bought it and it took three head gaskets and two heads before we found the right mechanic. There’s worse engines.
Where is the oil leak on my 2010 Cummins truck?
~ Ronald Regan FWIW, Not sure if it’s the same leak location as your truck but I have a 2010 and my timing cover seal leaked on the passenger side near the water pump. First noticed it at about 28000 miles, blowing oil down the passenger side of the motor.
How much does it cost to fix a Cummins oil leak?
The seal comes with an installation tool. The Dodge repair manual also has you removing the cover and installing it from the back side. Book is showing about $500 parts and labor. ETC.
Where is the oil leak on my Dodge Ram 3500?
I have a 2011 Dodge Ram 3500 with a 6.7 Cummins diesel with 242,000 miles . I have an oil leak at the crankshaft I am told that is where it is . I am not a mechanic , what kind of money am I looking at to fix ? Coming out at bottom of pulley that has my serpentine belt on . I had a crankshaft gasket replaced , did not do anything for it .