Question about Cadillac DeVille

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We have a 1998 cadillac deville and sometimes the ac will blow through the vents normally and then unexpectdly they will start to blow air through the vents ontop of the dashboard. Also, when the coolent temp gets higher above 250,( we have been experiencing the car overheating, and have posted about that as well) it will stop blowing cool air. Charge is good on AC. No need to add freon.

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When the cool air ceases, does any air blow? If your air flow ceases (the cooling fans run the entire time the A/C runs normally), your cooling fans might also be malfunctioning. How many times has your car overheated since the September 2008 head gasket replacement? Repeated overheating will dramaticly shorten the lifespan of a head gasket (if you and/or your husband know your way around cars, the head gasket replacement isn't terribly difficult, just takes ALOT of time- you can send an email to maintjoseph @yahoo.com -no space between the name and the @ sign- and I'll help guide you through the head gasket replacement). I had to replace both gaskets and a head on my 1999 Taurus with a Vulcan engine and have had continuing problems with the cooling system. Your computer might also be acting up if you're noticing other driveablility problems.

Posted on Jul 01, 2009

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