Question about 2000 Pontiac Grand Am GT
I bought a 2001 Grand Am GT from a used dealer about a month ago (as is - did not have extra cash for warranty) and now the AC has been going haywire. It worked fine this past Saturday night, got into the car the next day and it did not come on at all. I tried putting the knobs in different positions, and it seems like the compressor comes on when the AC switch is pressed. The RPM gauge kicks up for a second, then goes back down, but no dice. So for two days, no cold air in 90+ Georgia weather. Yuck!
So, a funny thing happened on the way to work today... the fan was blowing to alleviate the humidity (not realizing it was set to Max AC; my nephew tinkered with the car trying to fix it) while I was driving and all of a sudden I'm getting cold air. The AC button was *not* on, but the fan was set to Max. When I turned it to the bi-level setting, the AC turned off but my fan was still kicking.
I've spoken with a couple of people and they mentioned that it might be a relay or something. My biggest fear was the compressor, but if I am getting cold air out of the blue then it must be working... right? I was hoping someone might have a better idea of what may be causing the problem. I was thinking it might have been the AC button, yet moving it from Max to bi-level doesn't seem to support that theory. Any suggestions?
Thanks so much for reading my long-winded explanation!
When you say tinker with the A/C. what did he do??? Just want to make sure he did not hot wire anything to activate the compressor at the max position. If the system is low on compressor oil the compressor will not active to keep it from getting damage or low on R143A. Most place now will recharge the A/C system for $50.00 since they know that you can by a recharge kit for around the same price, but you need make sure you don't over charge the system or damage will occur. If you not familiar with the recharge procedure, have it recharged by a shop and if it's full then the problem may be a pressure switch and that takes around 5 min to replace and i am sure the shop will let you know before they try to recharge the system by hooking up the gauges to read the pressure in the system. Good luck and keep me posted, be glad to help you get some cold air again.
Posted on Jun 23, 2009
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Posted on Jan 02, 2017
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