Hey guys. This is not my truck, a guy I work with. (Yes, I have a DuraMaxi Pad! ) He's got a '05 Cummins and it has a mysterious oil leak on the front passenger side, around the area of the a/c compressor. Thought it might've been the front cover and it doesn't apprear to be the case. He's losing about a quart of oil a week right now. This leak just started out of no where.

Anyone run across this by any chance?

 

is oil filter tight?? Or the seal still good in it??

 

Not the oil filter. It's totally dry and the leak is at the front area of the engine...not the front/side of the engine.

 

my bad...your probably gonna have to get in there and steam clean it good with a pressure washer and then run the truck and try to find the leak that way..

 

Try checking the lines that runs from the front to the eng!!

 

have the same problem.changed front main seal and resealed timing case cover,can't access the gasket in behind because of cam gear.not sure if that's where the leak is coming from or not but it's really annoying.is their any oil lines or anything that can leak oil above the ac pump because you can't see in their without tearing it apart?

 

First try to tighten the front cover bolts. If it's the middle spacer find the leak and seal with RTV. There is no pressure there just check your breathers make sure they are working.

 

i went down the same road and spent >$2,000.

turns out there is another seal behind the timing case cover.

 

my bosses truck was leaking oil around the same spot, turned out it was behind the gearcase, and i couldnt take the gear case off cause of the camgear, i went and got some stuff that claimed to seal gaskets with out turning a wrench from the auto parts store
so i lossened all of the bolts and sparyed a bunch in the cranck tighened the bolts back up sprayed coppercote over it again problem solved for the lst 20k