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Pontiac Aztek Air Conditioner Problems

31 messages,  Last post on Jul 10, 2008 at 4:24 PM

You are in the Pontiac Aztek Forum. Your Hosts are steve_ & tidester

What is this discussion about? Pontiac Aztek, SUV


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#1 of 31
Foul Smelling vinegar type odor??? by sissysmom
May 26, 2007 (4:17 am)
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I have an Aztec and everytime I turn on the Air Conditioner this really stinky vinegar smell comes out of the vents. I am a single mother, and unfortunantly don't have the money or the time to take it to the shop so I was hoping someone might be able to give me an idea of what that smell could be. Thank you.
#2 of 31
Re: Foul Smelling vinegar type odor??? [sissysmom] by ray80
May 26, 2007 (6:10 am)
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Replying to: sissysmom (May 26, 2007 4:17 am)

Most likely it is some type of growth or rot due to lack of better words) in the HVAC system. First thing I would do is check the cabin air filter as it is a common place for leaves and debris to gather and compost. Replacing filter(s) should eliminate that problem, if not the dealer has a procedure to spray something in the sytem to eliminate whatever is cooking in there.
#3 of 31
Re: Foul Smelling vinegar type odor??? [sissysmom] by tidester HOST
May 26, 2007 (6:15 am)
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Replying to: sissysmom (May 26, 2007 4:17 am)

If it is a mildew problem as ray80 suggests then you may want to try this: turn off your air conditioner 1 or 2 minutes before turning off your engine (but keep the air flowing!). This will help keep the air ducts and filters dry and reduce or eliminate mildew over time.
 
tidester, host
SUVs and Smart Shopper
#4 of 31
Audi A3 AC smell by bruce30
Jun 11, 2007 (12:24 pm)
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I have the same type of foul smell from my AC. Had it cleaned out NC since car is new but it will be $150 to get HVAC cleaned out every year after that. I wonder if that is something I could do myself without special tools.
#5 of 31
Re: Audi A3 AC smell [bruce30] by ray80
Jun 11, 2007 (2:51 pm)
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Replying to: bruce30 (Jun 11, 2007 12:24 pm)

I would guess it is most likely something you would not like to tackle. Best thing to do is as Tidester suggested and try to keep system dry (thats assuming problem is growth somewhere is system that you can't reach
#6 of 31
Aztek Air Conditioner Issues by kcossairt
Aug 23, 2007 (8:29 am)
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Replying to: ray80 (Jun 11, 2007 2:51 pm)

#7 of 31
Air Conditioner Issues by kcossairt
Apr 16, 2007 (5:44 pm)
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Replying to: ray80 (Jun 11, 2007 2:51 pm)

I have previously posted in the elect section but never received replys so I'll try a new thread.
History: Verious electrical problems related to the BCM but I can't find the relationship between the BCM and my intermittent A/C PROBLEM. Air works perfect when it works. Sometimes it will not kick in the compressor upon startup. If it works when initally truned on it will work until the car is re-started then it may or may not work. This is getting very frustrating due to the climate getting hot fast in Fla.
 
I am looking for wiring diagrams for the Asstek. Anyone know if there online anywhere?
Is there another module on the car somewhere that would control the A/C. I have played with the fuse block and its relays when the problem exists and fuse 28 for the bcm with no success. Seems a battery disconnect works most often but not always.
HELP its getting hotter by the day
#8 of 31
Re: Air Conditioner Issues [kcossairt] by kcossairt
Apr 19, 2007 (1:03 pm)
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Replying to: kcossairt (Apr 16, 2007 5:44 pm)

Ok sence I have no feedback I've ordered a BCM. I know it has issues so I am hoping that it will correct the A/C issue also.
 
I'll post my results in a week or so after I receive the BCM.
kIRK
#9 of 31
Re: Air Conditioner Issues [kcossairt] by tidester HOST
Apr 19, 2007 (10:36 pm)
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Replying to: kcossairt (Apr 19, 2007 1:03 pm)

I'll post my results in a week or so after I receive the BCM.
 
Thanks - looking forward to it!
 
tidester, host
SUVs and Smart Shopper
#10 of 31
Update on BCM & Air Conditioner Issues by kcossairt
May 02, 2007 (5:31 pm)
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Replying to: tidester (Apr 19, 2007 10:36 pm)

Its been better than a week and no 'grimlens' to report after the BCM change out. I did lose the Radio... It is now 'LOCKED'. I believe this may have been my mistake.
The AIR has worked consistently and no other problems have re-occured. It was plug and play but a PITA to access but if I had to do it again it would take less than an hour.
 
Thank you to the forum members.
Kirk in Fla. is now ready for the summer.

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