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I orderd the dorman valve cover and the dorman intake
If you are doing the fix, no need to order a new intake. If you really want to do the fix prior to tearing yours apart, get a used one. But really, if you take the intake off, pop the button out, clean it up real well, start the screw and then glue the screw and finish up, put it back on and the next morning your ready to rock.
 

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Discussion Starter #322
That's what I went with due to all the repeat failures with the OEM replacements. I haven't heard of any failures with the Dorman.
I have. The Dorman valve covers are still failing and one guy found a crack in the check valve on his Dorman intake manifold.

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I have. The Dorman valve covers are still failing and one guy found a crack in the check valve on his Dorman intake manifold.

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OP sorry to post in your thread.

XtremeRevolution, I'm trying to PM you and it won't let me send it? It keeps popping up this message;
"Your content can not be submitted. This is likely because your content is spam-like or contains inappropriate elements. Please change your content or try again later. If you still have problems, please contact an administrator."

Neither is true. I've used the contact link but just in case can you fix this and or shoot me a PM so I can ask you a question? Thanks and again, sorry OP!
 

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OP sorry to post in your thread.

XtremeRevolution, I'm trying to PM you and it won't let me send it? It keeps popping up this message;
"Your content can not be submitted. This is likely because your content is spam-like or contains inappropriate elements. Please change your content or try again later. If you still have problems, please contact an administrator."

Neither is true. I've used the contact link but just in case can you fix this and or shoot me a PM so I can ask you a question? Thanks and again, sorry OP!
Probably because you're a new account. @XtremeRevolution
 

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So both my wife and I have 2012 Cruze’s with the 1.4T. I’m now seeing significant oil leaking on the pulley side of the engine. On my car, it also looks to be leaking from the valve cover gasket. Both cars have significant oil residing around the pulley’s. I also see oil on the airbox cover and the insulated padding on the under side of the hood on my car. I checked the regulator on the valve cover, and I don’t notice a change in RPM or a hissing sound. So next I looked at the check valve on the intake manifold. I don’t see the rubber nipple, so I’m going to be ordering the V2 kit for both of our vehicles.

I had already ordered and recieved the doorman Valve cover from Advance auto, but I’m wondering if I even really need that anymore? If the regulator diaphragm is not ruptured, are there other issues with these covers that would cause the gasket to leak? I’d rather not replace it with the doorman, if those are faulty as well. Mainly Id like to know why the oil leak seems to be most prevalent around the pulley‘s though... Is there a relief valve or something that dumps in that area? Too much pressure in the valve cover would explain the leaks from the valve cover gasket, but I don’t see much of a leak around the cover on our other Cruze, but I still see a similar amount of oil on the left side of the engine.
 

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No, it’s likely the camshaft position sensor seals.

 

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No, it’s likely the camshaft position sensor seals.

I actually have ordered those already. But I'm not so sure that is the culprit either. They are cheap, and easy to do, so I will do them regardless. But for the amount of oil I am seeing, I would expect the area around the cam position sensors to show more oil residue. I will take a few pictures later today.
 

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I actually have ordered those already. But I'm not so sure that is the culprit either. They are cheap, and easy to do, so I will do them regardless. But for the amount of oil I am seeing, I would expect the area around the cam position sensors to show more oil residue. I will take a few pictures later today.
Sounds good. The side of my engine was covered when mine were bad.
 

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I picked them up at a local dealer. They weren’t any cheaper online, and they had them in stock. Im just waiting on my PCV kits. I picked up the hoses (mine broke attempting to peer into the intake) for $45ea on amazon.
 

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2012 Chevrolet Cruze LT 158,250 miles. Car has check engine light. Dealer says P0171 and P0101. The quoted repair is:

Intake Manifold Replacement: baffle missing p0101 p0171 $647
Valve Cover Replacement $318
TOTAL w/ tax $1,026

THOUGHTS???
 

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Discussion Starter #332
2012 Chevrolet Cruze LT 158,250 miles. Car has check engine light. Dealer says P0171 and P0101. The quoted repair is:

Intake Manifold Replacement: baffle missing p0101 p0171 $647
Valve Cover Replacement $318
TOTAL w/ tax $1,026

THOUGHTS???
Install my kit, replace the valve cover yourself. Under $200.

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2012 Chevrolet Cruze LT 158,250 miles. Car has check engine light. Dealer says P0171 and P0101. The quoted repair is:

Intake Manifold Replacement: baffle missing p0101 p0171 $647
Valve Cover Replacement $318
TOTAL w/ tax $1,026

THOUGHTS???
Do it yourself if you can.
Dorman intake is $164.00 on Amazon and the OEM GM valve cover runs around $80.00. There are lots of You Tube videos on how to change these. Did mine a couple months ago and was pretty easy. About 2 hrs to do intake manifold and 30 minutes on valve cover.
 

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Discussion Starter #334
I recommended my kit simply because it lasts longer than the Dorman manifold simply by design and is about half the cost. The Dorman manifold will still have the same issues as the OEM manifold with the check valve getting stuck, leaking, clogging, coking up, or cracking as the valve gets brittle and ages. If you install the Dorman manifold, there's a good chance you'll be doing it again in 50k-75k miles, assuming you even notice the root cause of the issue since the presence of the valve alone can be a false sense of security for the reasons mentioned above.

Most people don't go through the trouble of boost leak testing their intake or vacuum testing their crankcase to ensure that valve is working properly, but those that do have found that simply seeing the check valve doesn't guarantee that it's working correctly. It's a flawed design no matter how you spin it.

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Discussion Starter #335
Oh, and I have a v3 kit that will be released this month that can be installed without intake manifold removal for $75 shipped.

It will be on cruzekits.com soon.

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2012 Chevrolet Cruze LT 158,250 miles. Car has check engine light. Dealer says P0171 and P0101. The quoted repair is:

Intake Manifold Replacement: baffle missing p0101 p0171 $647
Valve Cover Replacement $318
TOTAL w/ tax $1,026

THOUGHTS???
I am basically going through the same sort of thing as you on my 2015. Check Engine light came on and threw the P0171 code. Dealership wanted to replace the manifold and cam shaft cover for $700. 2nd opinion from the mechanic I had replace the cam shaft cover when I bought the car suggested I replace the manifold at some point. They did however have to replace the PURGE Valve and found a leak in the coolant outlet and some hoses. As of now I am $1100 into this car in repairs and I still believe with the hoses and outlet another almost 400.
My thoughts? Buy the fix kit. I am going to buy it next paycheck and do it myself. The people in this forum have been right on everything thus far and very informative. My thoughts are Fix kit. And you are lucky... mine only had 67,000 miles on it when my headache began.
 
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