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GMC Jimmy Climate Control Problems

82 messages,  Last post on Oct 11, 2009 at 6:56 AM

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What is this discussion about? GMC Jimmy, Heating / Cooling, SUV

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#50 of 82 1997 Gmc Jimmy AC Problem by georgetown Sep 25, 2006 (9:25 am)
I have a problem with my Jimmy. When I turn on my ac the ac compressor turns on but there is no air coming out of the vents. Sometimes the air will blow for the first 3 minutes when I turn on the ac but it will always turn back off and I can still here the compressor on. Anybody heard of this before? Replies to this message: repairdog (Sep 25, 2006 2:07 pm)
#51 of 82 Re: 2000 Jimmy: No Heat [il203] by repairdog Sep 25, 2006 (2:04 pm)
Replying to: il203 (Sep 25, 2006 8:28 am) Sorry, sounds like the classic clogged heater core so no water flowing thru it - have to flush and hope it doesn't leak or blow a hole - another Blazer defect, oh did I say that - Dex cool should be flushed evetry 3 years min and any air in the system it gels up. Search on clogged heater core and I've posted the flush several times. Good luck cause the heater core is dash out and over $500. No help after 5/75 or so by GM but if before for others they pay half if you ask for zone to review.
#52 of 82 Re: 1997 Gmc Jimmy AC Problem [georgetown] by repairdog Sep 25, 2006 (2:07 pm)
Replying to: georgetown (Sep 25, 2006 9:25 am) Take it an AC shop and have them look at the R134 level, could be low, the pressure switch bad, or a loose connector. Not easy without AC gauges to find. If 97 and over 80-90k miles the compressors blow the front seals, another GM quality part so get a NEW compressor, not rebuilt or it will die within a year.
#53 of 82 98 Jimmy Stange A/C problem by e5husmc Oct 29, 2006 (12:39 pm)
Last spring the A/C was only putting out a little cool air so I bought a can of R134 w/leak detector and everything was fine. This fall after using the heater for a couple of weeks the weather got warm again, A/C isn't cold again. Put in another can of R134 w/leak detector, cleaned around hose connections and compressor, no leaks found. Stayed cool until we used the heater again. Anyone have any ideas?
#54 of 82 97 Jimmy evaporator replacement by britamer Jun 25, 2007 (10:47 am)
How do you remove the evaporator in a 97 Jimmy. One of the bolts is inside the passenger fender and looks almost impossible to reach. Dealer wants over $1000 to replace. Many thanks.
#58 of 82 Air Door Actuator by vicedetective Jul 28, 2007 (11:28 am)
Hello all, okay I have a 96 GMC Jimmy with just the normal climate control. Just the red and blue for hot and cold type. I was having a problem with getting any real cold air from the A/C and was told that it was the air door acutator. I bought the part, its a small part. What is the best way to attack this project. First do I have to remove the dash 100%, and where is this part exactly. I have read some say yes on the days others say no just get behind the glove box, but the glove box is attached to the dashboard or am I missing something here. I took the glove box door off to see. Please help, I have a little one on the way and live in the dessert so I need the AC in the wifes truck, thanks!
#59 of 82 1997 GMC SUB by rtitone Jul 30, 2007 (7:54 pm)
A/C ON BLOWS AIR FRONT AND BACK, BACK COLD FRONT NOT, WHERE DO I START, THANKS

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