B440 Diagnosed...
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Cadillac Seville / Cadillac Eldorado Forum Discussion, B440 Diagnosed... in Past Cadillac Vehicle Discussion; It turns out that I need a new Hvac programmer for my Seville... It will no longer operate the air ...
  1. #1
    Sevillian273's Avatar
    Sevillian273 is offline Cadillac Owners Connoisseur
    Automobile(s): 69 Thunderbird | 90 Seville | 89 Marquis | 72 Torino
    Join Date
    Oct 2008
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    Palm Bay, FL
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    2,022

    B440 Diagnosed...

    It turns out that I need a new Hvac programmer for my Seville... It will no longer operate the air mix door for AC or heat. So for now, I have to leave the glovebox out and operate the door manually when I want hot or cold air...

    Where can I get one new? I cant even find it on gmpartsdirect.com. Is the junk yard my only option?

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  3. #2
    chubbyranger is offline Cadillac Owners Connoisseur
    Automobile(s): 99 Seville STS, 08 STS4 N* 1SG F55
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    Apr 2007
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    The Ocean State
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    Re: B440 Diagnosed...

    Try www.car-part.com maybe eBay, possibly Craigslist if you can find someone parting one. 90 is going to be a challenge.

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