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2010 GMC and Silverado roof leak and defrost problem

This is a discussion on 2010 GMC and Silverado roof leak and defrost problem within the Technical / Maintenance forums, part of the General Discussion category; 2 guys I work with have new 2010 extended cabs trucks. Both are less than 6 months old, no sunroof ...

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    2010 GMC and Silverado roof leak and defrost problem


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    2 guys I work with have new 2010 extended cabs trucks. Both are less than 6 months old, no sunroof and XM antenna. One parks their truck in the garage and the other in his driveway. As winter sets in here in Iowa they both found they can't keep there windows from fogging up with out openning a window. Now after a few snow storms ( No snow left on the cab) there is water coming out of the headliners. One is in the dealer right now and they found the whole roof covered with water spots and 4 oz of water came out of the cabin light. As of now the dealer can't find the problem. Has anyone else had this kind of problem? I found some information on older years of this body style, but no one seems to have and answer.

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    Re: 2010 GMC and Silverado roof leak and defrost problem

    2010.. warranty.. dealer.. tell them to fix the problem (for free of course and if they don't have a warranty on a 2010 I would guess its a rebuilt).

    P.S: fogging up windows is a safety issue and must be fixed if under warranty. If they dealer cant find the problem (which seems odd) call GM up direct and bitch about the lack of knowledgeable your local dealer as and 90% they will send out one of their specialist guys to look over the trucks.
    Last edited by wayne220; 12-21-2010 at 03:52 PM.
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    Quote Originally Posted by ericlw View Post
    Lack of Preparation on YOUR Part does NOT Constitute an Emergency on ours

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    Re: 2010 GMC and Silverado roof leak and defrost problem

    2010 LTZ Crew cab.. water dripping out of dome light and constantly fighting fogging of windows. Dealer replaced 3rd brake light on cab.as moisture was inside the unit. Also believes and dont ask me how or why that but gm is working on developing new software for the defrosting. Lets hope the light was the reason.

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    Re: 2010 GMC and Silverado roof leak and defrost problem

    My dads '09, and his current '10 have problems defogging too he needs to point the dash vents at the windows for it to keep de-fogged.
    2013 2500HD Silverado.
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    1992 BMW 325i (SOLD 8/24/12)

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    Re: 2010 GMC and Silverado roof leak and defrost problem

    I frequent a lot of forms . Seen quite few post with this problem. But never seen one resolved .
    I know one forum if you have a complaint / issue a gm rep will chime in and give you info how to get it resolved.
    I will try to pm you.

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