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Jeep Grand Cherokee A/C Heating Ventilation

372 messages,  Last post on Oct 27, 2009 at 2:04 PM

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What is this discussion about? Jeep Grand Cherokee, Heating / Cooling, SUV

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#367 of 372 2000 Jeep Grand Cherokee Laredo by jgclaredo Oct 16, 2009 (6:50 pm)
Does anybody know or have any suggestions as to what this problem could be- my a/c is not blowing much cold air at all. My heat works just fine (knock on wood), but my air doesn't seem to wanna blow cold air. I checked the refrigerant, and that is around like 40 psi- which is right about where it should be. So now I'm not exactly sure what the problem is? I've had this jeep for three years now, and am starting to have some problems w/ it. It only has 115,000 miles on it. I really appreciate any advice I can get.. Thanks!
#368 of 372 Re: Dual Climate control [crxeffect] by goguen Oct 20, 2009 (8:02 am)
Replying to: crxeffect (Dec 29, 2007 12:27 pm) If your blower fan relay which is derectly behind blower fan is not in place and secured properly you will have cold air blowing in from air box.
#370 of 372 Dual Climate Control by ubc64 Oct 27, 2009 (12:51 pm)
I have an 1999 JGC with dual climate control. The problem I have is when I turn up the thermostat for some heat, I only get heat on the passenger side. I only get cold air on the driver side. I replaced the heater control unit with one from the junk yard and have the same problem. I can't believe that both switches have the same problem. A dealership I called said that it might be the blend door and that I would have to pull the dash out to fix that. Has anybody else had the same problem? Also, how hard is it for the backyard mechanic to pull the dash and replace the blend door? I'm unemployed and can not afford to take it to a dealer. Any info would be greatly appreciated. Thank You. Replies to this message: tuggajb (Oct 27, 2009 2:04 pm)
#371 of 372 Re: Dual Climate Control [ubc64] by tuggajb Oct 27, 2009 (2:04 pm)
Replying to: ubc64 (Oct 27, 2009 12:51 pm) look on ebay for Blend door repair has a repair kit that you do through the glove box hole

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