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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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#354 of 372 Re: 2001 Jeep GC Limited AC only blowing hot air [danierob] by compton3 Aug 18, 2009 (4:25 pm)
Replying to: danierob (Jul 04, 2009 12:38 am) maybe the press switch on the low side the clicking was the clutch on com. working and the presure sould be in 100s when the compresure in not working or 40 to 60 when full and running   good luck
#355 of 372 Re: air conditioning problem [paulsk] by matt73 Aug 19, 2009 (2:38 am)
Replying to: paulsk (Jun 28, 2007 3:53 pm) Can anyone tell me where the cabin air filter is on a 2001 JGC Replies to this message: topat46 (Aug 19, 2009 3:00 am)
#356 of 372 Re: air conditioning problem [matt73] by topat46 Aug 19, 2009 (3:00 am)
Replying to: matt73 (Aug 19, 2009 2:38 am) http://www.wjjeeps.com/cabinair.htm Not all GC's have them. Click on the attached link.
#357 of 372 Re: Defrost Only [socaldon] by jdeaton Sep 06, 2009 (12:14 pm)
Replying to: socaldon (Jul 27, 2009 9:06 am) I have the same problem on my 01 Cherokee. Have you found the answer? Replies to this message: socaldon (Sep 06, 2009 6:40 pm)
#358 of 372 Re: Defrost Only [jdeaton] by socaldon Sep 06, 2009 (6:40 pm)
Replying to: jdeaton (Sep 06, 2009 12:14 pm) Yes - it was posted in another part of the forum. There is a vacuum tube which you may see going from under the battery toward the firewall which then turns right toward the engine. Then a smaller tube turns left and goes to the ventilation control on the dashboard.   Find out where it has broken and fix it! Now have all the cold air I can handle.   Good luck!
#359 of 372 Grand Cherokee AC problems by redtop2 Sep 07, 2009 (1:28 pm)
Nope - and the dealer keeps saying it's "normal". I've had people tell me the compressor motor will wear out quickly from the start and stop, but without the guy who made the repairs acknowledging it's a problem, don't know what to do - except vow to never get another Chrysler or jeep. We've had AC problems with every single one of them, and it's cost us a bunch of money. And they wonder why we don't buy American anymore...look what it does to us!!! We've never bought foreign yet, but that's probably going to change, as my husband is too tall for the Chevy and GMC SUV's - not enough headroom for him. We'll try them again next time - maybe they've made changes. Really frustrating - we hoped to keep this one until it died.
#360 of 372 Re: No AC in a 2000 Jeep Grand Cherokee LTD codes 54 56 [danielbaute] by danielbaute Sep 18, 2009 (2:51 pm)
Replying to: danielbaute (Aug 17, 2009 1:53 pm) I found my problems... The issue was 2 fold... first the reason the compressor wouldn't kick on was that the car had a major ac leak (there is a pressure sensor that keeps the compressor off when there is not enough pressure in the system) and secondly the blend door towards the firewall that I couldn't see was actually broken per the stored codes in the ac control panel. The car has had a small leak for a while now and we've had to charge it about every spring for the past 2-3 years. We just charged it in late May so I didn't think it had time to leak out as its been almost as predictable as old faithful in about once a year but apparently the leak became really bad really fast. Thankfully the last time I charged the system I installed the UV dye freon and when I had the heater housing out to replace the broken blend door I checked the evap coil with a UV light and the special yellow goggles, it lit up like a Christmas tree. So how or why I had 3 simultaneous part failures or at least 3 within a very short period of time I do not know but now the whole system is up and running great. I will say I'm not a professional auto mechanic, I am very mechanically inclined however but removing the dash was fairly difficult and took the better part of a full Saturday and night to remove it and replace the parts and reinstall the dash. I actually took a couple weeks in real time because I had to get the evap coil and it took a while to get re motivated again but I saved myself, I'm assuming close to a grand over having the dealership fix this problem. I've read reports between $1,000 and 1,500 from the dealer for just the labor on this type of job so I feel accomplished and it's working great.
#361 of 372 2000 Grand Cherokee AC Problems Please Help!! by jthunt89 Sep 19, 2009 (8:30 pm)
I'm at the end of my rope and really need some help. My wife who is 5 months pregnant has a 2000 grand cherokee and the AC doesn't work. We took it to the local garage two months ago and they diagnosed the condenser fan was broke. We had that fixed ($500). Then a week later the AC was blowing hot again and we brought it back to them and they said it was the wiring harness for the fan that wasn't working so they clipped off the end and made a better connection. That worked for another week. After which I brought it to the Jeep dealership and had them diagnose it and they said it was the evaporator and we had that replaced ($1200). That worked for three weeks and then we brought it back to them and they said that the pressure was too high (375 lbs should be no more than 270 lbs) so they fixed that and that lasted for another week (no charge). We brought the GC back in today and they said there is a leak in one of the lines and to replace it is $400. They asked if I wanted them to order the part and I picked up the GC and said I would get back to them. I really can't believe this. Please help!! Replies to this message: shelley91935 (Sep 20, 2009 7:43 pm)
#362 of 372 Re: 2000 Grand Cherokee AC Problems Please Help!! [jthunt89] by shelley91935 Sep 20, 2009 (7:43 pm)
Replying to: jthunt89 (Sep 19, 2009 8:30 pm) I had this problem back in 2004, 04/22/04 Carl Burger Jeep World $164.95 A/C not blowing out of center ducts, instead it is blowing hot air Removed battery tray and repaired vacuum leak.   I had another situation back in 01/28/06 Kirby Olds-Jeep Suzuki $13.08 Purchase Gasket and Thermostat (this is on the "if this happens to you" page of a service thing,... it was not on a "recall list" and of course not on a warrantly... that price was for the part itself and my mechanic at the time fixed it for free since I was getting a lot of work done at the time.)   Either one of these may fix the problem...or at least for a little while. I am having a problem kinda like this gain so I am going to my mechanic tomorrow because my a/c is now intermittantly blowing when I let off the accelation.
#363 of 372 Condensate in Cabin by tom5571 Sep 27, 2009 (2:47 pm)
I have a 2000 JGC Laredo. I noticed a musty smell in the cabin, after much looking I found the underside of the carpet on the passenger side soaked. I have come to the conclusion that the condensate is not draining from the housing (the heater core is good). I tried cleaning the drain but with no joy (with a wire) I really don't want to dismantle the dash at this point. Does anyone have any ideas or has anyone else had this problem? Replies to this message: tuggajb (Oct 05, 2009 1:17 pm)

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