Heater core?
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Northstar Engines and System Technical Discussion Discussion, Heater core? in Cadillac Engine Technical Discussion; I have a 93 STS and yesterday steam was coming out of the a/c vents fogging up my window and ...
  1. #1
    The Director is offline Cadillac Owners Member
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    Heater core?

    I have a 93 STS and yesterday steam was coming out of the a/c vents fogging up my window and my mats got all damp. Is my heater core messed up? If so, is it easy to fix? How much will it cost?


    Thanks in advance.

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  3. #2
    hankk17 is offline Cadillac Owners Fanatic
    Automobile(s): 78 Eldorado x2; 99 Eldorado
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    Re: Heater core?

    That definitely sounds like a heater core to me. From my past experience they're not easy to replace because they're typically BURIED in the dash. It'll be an expensive fix via the dealer most likely just because of the labor involved to get to the heater core itself.


    However, that being said I don't have a 93 STS and could be wrong.

  4. #3
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
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    Re: Heater core?

    SEARCH FORUMS! This is well documented, and is quite easy to do (Most can get it done in less than an hour or so, i think!)

  5. #4
    hankk17 is offline Cadillac Owners Fanatic
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    Re: Heater core?

    Quote Originally Posted by elwesso
    SEARCH FORUMS! This is well documented, and is quite easy to do (Most can get it done in less than an hour or so, i think!)
    Wow, I stand corrected. Thanks elwesso!

  6. #5
    The Director is offline Cadillac Owners Member
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    Re: Heater core?

    "SEARCH FORUMS! This is well documented"

    will do...thank you.

  7. #6
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
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    Re: Heater core?

    Its a sticky in one of the forums..... Right at the top...! All the information you need!

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