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Pontiac Grand Prix Climate Control/AC

192 messages,  Last post on Oct 07, 2009 at 12:19 PM

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What is this discussion about? Pontiac Grand Prix, Heating / Cooling, Sedan

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#190 of 192 Re: another anomoly on grand prix [jfissh] by rgh1016 Sep 28, 2009 (1:27 pm)
Replying to: jfissh (Sep 28, 2009 10:37 am) If you are referring to the problem of unbalanced cooling output between the driver and passenger outlets, I found debris in the metering valve that apparently came from the compressor when it failed. After changing the metering valve, the difference in temperature between the driver and passenger outlets was about 6 degrees when the controls were set to 60 degrees and that's probably within spec. That's much better than the 20 degree difference I had been getting. The amount of debris in the metering valve certainly didn't appear to be enough to cause this much of a cooling difference so it must be very sensitive to obstruction.   Ray
#191 of 192 AC kicks on when I start my car by gp76 Sep 29, 2009 (3:46 pm)
I have a 05 Grand Prix with two problems,The first is it wont start on the first crank every time unless I push on the gas.The secound is the A/C kicks on when it does start every time no matter what the temp is outside, even when its not on auto.I have cleaned the ground to the body and the battery termals and I have no codes flashing anybody got any ideas?After reading the post on here I see the A/C is a problem that may not have a fix that stinks.
#192 of 192 Re: Weak Air Flow in Vents [jebn] by xwilox Oct 07, 2009 (12:19 pm)
Replying to: jebn (Sep 25, 2007 11:22 pm) Hey Wayne I have the same problem only 3 years later 2009. Did you ever figure the solution to yours. If you did please post the solution. Thanks.

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