2012 cruze noise and seems like blowby
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Thread: 2012 cruze noise and seems like blowby

  1. #1
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    2012 cruze noise and seems like blowby

    My girlfriends car is a 2012 cruze 1.4 turbo. She has only put about 1500 miles on it since she got it(28,000 miles) and the motor has picked up a small shake, and the motor seems to have blow by at idle. Is it normal for the turbo motors to have blow by?

    Also hear a buzzing or electrical sound from under the hood. I'm pretty good with cars I have a custom 93 b2200 and have owned lots of mustangs even a turbo 6
    5.0

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  3. #2
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    Blow by is not normal. There are several reports of these cars having issues with the PCV system in the valve cover. Some isolated cars also have problems with pistons.

    Check the spark plugs for oil fouling and their gap (set to .035" - 100% are incorrectly set from the factory). The 1.4 does shake a bit at idle, especially if the AC compressor is running.


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    Last edited by sciphi; 12-10-2012 at 07:48 AM. Reason: removed derogatory comment.
    2012 Cruze 1LT 6M


  4. #3
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    If she's running the A/C that will cause it to shake a little bit at idle.

    How much oil has it used that it's been determined to have blow-by?
    2012 Chevrolet Cruze Eco
    2009 Honda Fit Sport

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  5. #4
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    Quote Originally Posted by sciphi View Post
    If she's running the A/C that will cause it to shake a little bit at idle.

    How much oil has it used that it's been determined to have blow-by?
    You'd have to run a compression/leakdown test to make sure the oil loss isn't elsewhere. Blue smoke from the exhaust is a telltale sign as well.
    2012 Cruze 1LT 6M


  6. #5
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    Cepromotion, If your girlfriend decides to work with a dealership, or if she has any questions about her warranty coverage, please don't hesitate to contact us here on the forum via private message (include the last 8 digits of your VIN).

    Sarah (Assisting Stacy), Chevrolet Customer Service

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