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Discussion Starter · #1 ·
Hello,

Recently I have noticed several leaks that are developing on my 2012 Chevy Cruze Eco (1.4). I noticed a few drops of oil here and there from parking on the driveway. Looking underneath the car I noticed that there is a coating of oil on the bottom of the engine on the left and right side. I have been running conventional oil for years and noticed all of these leaks after switching to full synthetic (Pennzoil) and doing the oil change myself. Recently I had to replace the intake manifold and valve cover as well. This 1.4 has been a big issue. I am going to attach some pictures. If you have any input or helpful information on the cause of the leaks it would be appreciated. Thank you!

Auto part Exhaust manifold Pipe Hose Metal

This is the turbo feed line to the turbo and I am awaiting the new line that should fix the leak?

Auto part Engine Automotive engine part Vehicle


Is anyone able to help me out with this one? Front left of the engine and has a line going into it from the radiator? Just want to note that I do have a very small leak somewhere with the coolant also, because of the decreasing coolant in the coolant reservoir.

Auto part Fuel line Vehicle Engine

Would this leak just be the seal for the camshaft actuators?
Auto part Fuel line Engine Pipe Vehicle

Any information on this would be very helpful as well.
 

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Discussion Starter · #4 ·
I don't believe I have a leak at the throttle body though? As for the PCV system, as mentioned initial I replaced the intake manifold ( throttle body, fuel injectors )because it was missing the "red" valve on the inside, as well as the cable cover because the diaphragm on the cover blew. Browsing these forums helped be diagnose that issue. Is there something I am overlooking then?
 

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Discussion Starter · #5 ·
Alright, so your saying the valve at the turbo inlet might be causing the excessive leaks everywhere? Since I replaced the intake manifold and the valve cover that is the only option left for the PCV system if that is what is causing the excessive oil leaks? Am I understanding this correctly? If so, should I still replace the oil inlet line into the turbo? Thanks again.
 

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Discussion Starter · #6 ·
Not trying to get ahead of myself, but if I did need to replace the final PCV valve at the turbo inlet...is this all I would have to replace then?

PCV VALVE - GM (25193343)

Sorry for all of the replies.
 

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Discussion Starter · #7 ·
"Notes: If you are burning oil, remove the corrugated line and blow into it. If it does not blow freely, your check valve is stuck closed."

I don't believe I am burning oil, but I did try this out just in case and it is blowing freely without an issue.
 

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Discussion Starter · #9 ·
Thanks alot. Just one more question and I should be good to go. Going back to my initial post, what is that part that is at the front left of the engine? I mentioned it had a line coming from the radiator. It has a lrak in the picture.
 
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