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  1. #1
    New Member
    Join Date
    Feb 2013
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    Corvette(s)
    95 c4

    Default 95 coupe heater control valve burst

    I've had the little black plastic heater control valve burst twice this week. It's a easy fix but I would rather fix whatever is causing this. Anyone else had this problem or heard of it.

  2. #2
    Gone but not forgotten John Robinson's Avatar
    Join Date
    May 2005
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    Muncie, Indiana
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    1,609
    Corvette(s)
    1993 Polo Green Coupe

    Default

    I would be helpfull if you could provide a picture of the part you are talking about. I looked in my manual and did not find anything by that name so a picture might make it possible to match up with somthing in the manual.

  3. #3
    New Member
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    Corvette(s)
    95 c4

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    Click image for larger version. 

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  4. #4
    New Member
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    Corvette(s)
    95 c4

    Default

    Ok mystery is solved. Being caused by a blown head gasket. Confirmed it with a tester that checks for combustion gas in the cooling system. Double confirmed now that the heads are sitting in the floor of my garage. Apparently the heater control valve can't stand a little extra pressure. POS, but it did tell on the head gasket.

  5. #5
    Gone but not forgotten John Robinson's Avatar
    Join Date
    May 2005
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    Muncie, Indiana
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    1,609
    Corvette(s)
    1993 Polo Green Coupe

    Default

    I was still researching for you. Sorry to hear you have a problem with the head but at least you know the answear. Good luck with the repairs and welcome to

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