I recently bought a 2014 diesel Cruze auto with 140k miles on it. Great running and driving car but it has a pretty bad oil leak. The valve cover is dry but the pan is wet. It’s pretty wet right where the trans and motor meet. How common is a back main seal leak on these cars? I’ve looked at forms and seen a lot of pan gasket issues. Thanks
2014 Cruze diesel oil leak
2014cursecruze
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I recently bought a 2014 diesel Cruze auto with 140k miles on it. Great running and driving car but it has a pretty bad oil leak. The valve cover is dry but the pan is wet. It’s pretty wet right where the trans and motor meet. How common is a back main seal leak on these cars? I’ve looked at forms and seen a lot of pan gasket issues. Thanks
How would it leak below…
guess I gotta be very exact around here..
Just messing with you man 😆
The oil pan gasket and the oil level sensor (above the drain bolt) are known to leak on these.
Clean off the entire pan with spray cleaner and drive it to see where it's leaking from. I'm not aware of any rear main leaks on these.
Also the oil cooler directly above likes to leak
Any threads here talking about that with pictures? It sounds familiar.
I’ll do a “how to” tomorrow. I just replaced mine
How-To: Replace Oil Cooler on 2.0 LUZ
Overview Of the many oil leak points on the 2.0, one that may be overlooked or unknown is the oil cooler. This is a pretty common point of seal failure. One of two things normally happen, the oil seals dry out and start leaking down the block above the oil level sensor and drain plug. Or...
www.cruzetalk.com
Awesome job, thanks!
How-To: Replace Oil Cooler on 2.0 LUZ
Overview Of the many oil leak points on the 2.0, one that may be overlooked or unknown is the oil cooler. This is a pretty common point of seal failure. One of two things normally happen, the oil seals dry out and start leaking down the block above the oil level sensor and drain plug. Or...
The one seal that is in the middle recessed, can that just be picked out and have a new one pressed in?
Also, on the cooler itself where the fins and hoses connect are, seems like that can be pulled off. I saw one place selling that with a new seal. Any signs of leaking there? Does this look like the correct seal? I'm wondering for those that reuse the housing, maybe just buying 2 orings and this seal would be enough.
I’m not sure what that is off of. Ours just has the two orings. The recessed one is just an old oring that was flattened. Probably the main leak source for me. Our cooler is also a one piece unit with the filter housing. Yes, you can pry it out (the oring) and replace. I replaced the whole thing because my other ‘14 leaked oil into the coolant. Didn’t want to risk that.
Did an oil change today and checked my oil cooler out and it definitely looks like it's seaping oil and pooling up right under that. Not a lot though, was still on full after 7,000 miles. It's just enough to bug you knowing it's there.
Yea, but you will drive yourself crazy chasing down the little leaks here and there. They’re inevitable on these.
Yep, that is exactly how mine was. After the oil cooler and resealing the oil level sensor, it’s been all good. I know what you mean, looks bad
@Bvogt - Does this seal look like it was one of the two that went bad? More Information for GM GENUINE 25874797
This is listed as an Oil Cooler Seal
I'd hate to buy the whole thing if I can just get the seal.
This is listed as an Oil Cooler Seal
I'd hate to buy the whole thing if I can just get the seal.
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