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Buick LaCrosse Heating / Cooling Problems

13 messages,  Last post on Jan 30, 2009 at 4:07 PM

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#9 of 13 AC 2005 Allure by kairns Sep 21, 2006 (10:49 am)
My 2005 Allure has 37000 kms on the odometer. I purchased it used about two weeks ago. I've noticed my AC takes a while to cool the car down. It seems like instant cold air isn't available. It can take up to 10 - 15 minutes to feel the full effect of the AC. However, once the AC comes up to speed it has no problems keeping the interior cool. I've tried all the settings including re-circulate at max fan speed.   I also tried all the old proven methods such as opening all the windows for a few minutes to expel the hot air etc.... This doesn't make any difference.   Is this normal for this car? My last vehicle was a 1999 Oldmobile Silhouette and I always had ample AC on demand. Replies to this message: sscott3 (Sep 26, 2006 5:01 pm)
#10 of 13 Re: AC 2005 Allure [kairns] by sscott3 Sep 26, 2006 (5:01 pm)
Replying to: kairns (Sep 21, 2006 10:49 am) It sounds like you have lost some refrigerant. Do you have the auto system or manual controls? The auto system does not come on with high fan speed normally and it may seem like it takes awhile to work. Don't let this go over the winter before getting it fixed as the refrigerant will continue to leak out. It contains a lubricant for the compressor. The system will run on defrost in the winter to clear the windshield on the inside. If the refrigerant gets too low you could damage the compressor. Your GM dealer should be able to find the leak and refill the system.
#11 of 13 A/C and heater suddenly stopped by eiroc Feb 16, 2007 (3:24 pm)
I have a 05 buick lacrosse, one day the a/c just stopped blowing air. When I have it set to heater you can feel warm air through the vents depending on how fast I am driving. Besides that no matter if I have the fan blowing at its lowest or max it will not do anything. I've heard about the blower motor, resister, and modules but I do not know were to find them. If you have any suggestion I would greatfully appreciate your help Replies to this message: NazPas (Jan 30, 2009 2:46 pm)
#12 of 13 Re: A/C and heater suddenly stopped [eiroc] by NazPas Jan 30, 2009 (2:46 pm)
Replying to: eiroc (Feb 16, 2007 3:24 pm) I am having the ecact same problem in my 2005 Buick Lacrosse. Where is the blower motor located. Can someone that knows little about cars fix it himself?
#13 of 13 Heater isn't working by NazPas Jan 30, 2009 (4:07 pm)
I have a 2005 Buick LaCrosse. Last night when I got into the car the heater would not blow any air. It would not work withthe AC either. On highway speeds you can feel a tiny amount of air from the defrost vents. However it is 2 degrees in Illinois and my tows were numb last night. Please help. I would lie to fix this myself if it is something a novice could do. Possibly the blower motor? Where is it located?

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