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Buick LaCrosse Heating / Cooling Problems

14 messages,  Last post on Dec 07, 2009 at 5:16 PM

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#11 of 14 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 14 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 14 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?
#14 of 14 LaCrosse air conditioning button by ceejay7 Dec 07, 2009 (5:16 pm)
I recently purchased an 05 LaCrosse and it seems that no matter what button I press (be it fan only, heat, defrost, etc.) the A/C button comes on. How do I get the A/C to not come on ?

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