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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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#7 of 372 Re: A/C Clutch Replacement [bgafford] by tuggajb Apr 05, 2007 (6:22 pm)
Replying to: bgafford (Apr 04, 2007 11:41 pm) with a jeep that is 10 years old i would change the compressor also just because
#8 of 372 03 JGC Tire pressure sensor "BAD/MISSING"??? by usagency Apr 05, 2007 (6:36 pm)
Does anyone know how to reset this error message or make it go away?   "TIRE PRESSURE SENSOR BAD/MISSING"   I went in for an oil change and on start up from the dealer to leave, this error message came up. Yes they fk'd it up. I disregarded it at first as I thought they rotated my tires & did not retrain the sensors. But they did not rotate the tires and this damn error message won't go away!   I changed the tire pressures in all 4 and retrained the sensor. It all registered correctly but on boot up, the self-test spits out this "TIRE PRESSURE SENSOR BAD/MISSING" error message.   The service rep had the audacity to tell me it is because my spare tire was missing the sensor - I told him I have a 4-sensor system & my spare tire does not have a sensor. He said he does not understand why for 80k miles I have not had this happen. The new sensor is $88, the labor is $26. I am being ripped.   Can any of you guys/gals help out? It's driving me nuts. This is my 4th GC and I have NEVER seen this. Have had the car for 80k wonderful miles and going strong. This has never happen before.   Thanks all
#11 of 372 07 GC A/C issue by tsfromtx May 23, 2007 (6:20 am)
My '07 GC, with manual a/c, has a strange problem. Air is icy cold, but back it off by a single click of the temperature dial and hot air is instantly dumped into the mix. It's full-cold or not-at-all-cold - no inbetween. The dealer has discussed with Chrysler who says the unit is working as designed. Testing other identical GCs on the dealer lot, this turns out to be true. Anybody else experiencing this discomfort? Any ideas? Replies to this message: di1968 (Jun 26, 2007 2:41 pm) tsfromtx (Aug 04, 2007 6:43 pm) donza (Aug 09, 2007 12:38 pm) tsfromtx (Aug 16, 2007 9:51 am) bjdm3 (Oct 05, 2007 5:04 pm) tsfromtx (Oct 09, 2007 11:41 am) tsfromtx (Mar 11, 2008 9:22 am)
#12 of 372 Tire Pressure and Cold Air...... by offroadpep May 23, 2007 (5:34 pm)
03 JGC Tire pressure sensor "BAD/MISSING"??? A Tip from the Old Man......... Oh Boy........... Check our owners Manuel, or pick up a service manual on your JGC at any good book or auto parts store. Or if you can find one with the seal off, read it there in the store. :>) I sure that you can disable it. All four pressure sensors will quit eventually any way. You can also disable the seat belt ding, ding, if you so desire. But you may have to check your tire pressure manually once in a wile.   07 GC A/C issue Another Tip from the Old Man............. If that’s the way it is................ “It's full-cold or not-at-all-cold - no inbetween.” Just turn the fan speed up and down to regulate the temp in the car. But I sure that’s not the way it should work, see another Dealer / or Mechanic. Good Luck to you both. Cactus “PEP” :>)
#13 of 372 Jeep Cherokee Air Conditioning Problems by graypop Jun 11, 2007 (7:36 am)
I have a 01 Jeep Cherokee Sport and a few days ago the air conditioning started blowing warm air. The car place I took it to said there was no freon so they put in freon, charged it, and put in dye to look for leaks. The air conditioning started blowing cool air again. Then they checked my Jeep again later and couldn't find the dye leaking anywhere. I checked with my black light at home and couldn't find any dye leaks either. The next thing they did was they got out a sniffer and the sensor went off near a hose from the evaporator. They could not get the sniffer in the air vents inside the car to make 100% sure that it's the evaporator core. But they say my Jeep is leaking freon and that the evaporator core needs to be replaced to the tune of $800+ (parts & labor). They told me this about 2 weeks ago BUT my air conditioning is still blowing very cool air and it's 90 degrees right now where I live. I don't understand how the air conditioning could be blowing cool air if it's leaking freon? Is it possible that a Jeep needs freon after 6 years? I have about 40K on the car, don't drive it that much. Can anybody help? Thanks. Replies to this message: tuggajb (Jun 11, 2007 3:03 pm)
#14 of 372 Re: Jeep Cherokee Air Conditioning Problems [graypop] by tuggajb Jun 11, 2007 (3:03 pm)
Replying to: graypop (Jun 11, 2007 7:36 am) could have seaped around the compressor seal and when you recharged it sealed up again as for getting reading from vents be a sell for evap coil? if it works leave it alone till it don't work
#15 of 372 NEW COMPRESSOR by annamial Jun 11, 2007 (6:39 pm)
WHEN I FIRST GOT MY '92 JEEP CHEROKEE THE FREON LEAKED, I CHARGED IT ONCE A YEAR FOR THE LAST 3YRS, IT WORKED FINE . NOW, I REPLACED THE COMPRESSOR AND IT ONLY BLOWS COLD HIGH RPM. I RUN A MAIL RT LOW SPEED IN TEXAS, IT WAS 95 TODAY AND SUMMER HAS'NT STARTED. I CANT BELIEVE I SPENT $ 850 AND IAM STILL BURNING UP! NEED TO FIND AWAY TO MAKE THE COMPRESSOR WORK LOW RPM WITH HIGH TEMP AND WITH ACCESSORIES I.E. INTERIOR FAN AND SAFETY LIGHTS, ETC. THE REPAIR GUY, NO HELP!

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