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Jeep Grand Cherokee A/C Heating Ventilation
My 2002 JGC started having temperature control problems, cold on driver /hot on passanger , gotit fix at the dealer US$300 , six months later it will cool but will not heat either sides, went to the dealer, their estimate is now us $1,100, they claim they have to replace booth temperature selectors and some valve or damper on the back. Does any budy have a cheaper solution???
All started to happen just after warranties had expired
All started to happen just after warranties had expired
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Comments
tidester, host
I only have one word for your "shade-tree" unprofessional idea of cutting a hole in the plastic headlamp housing....
"BRILLANT"!
Saved me a full day of labor, I am sure. I used a Dremel with the funky drill bit used to cut circles in dryway.
Turned an "all dayer" into a 15 minute job.
And to the engineer that thought it was a good idea to mount the relay there in the first place.... Get back to Springfield, they miss you at the nuclear power plant. D'oh!
Thanks,
badheaterAC
1. Jeep overheating because radiator cooling fan will not come on. Disconnected the fan plug and jumped two wires directly to the battery but fan still won't turn? Wires are black and blue solid. Blue should be positive? Black negative? Shouldn't fan run when directly jumped to batter? Please help!
James
Does it overheat when driving at highway speeds? If not, then it probably is the fan. If it does, then you may have other problems.
James
If the fan keeps running and running (does it run your battery down?), then you have probably have a switch or relay problem.
Steve
I have a 2001 Cherokee Limited with only 55,000 miles and I am having the same problem. One shop said it was normal so then I bit the bullet and took it to the dealer. They said there was an A/C leake and claimed they fixed it. When I got the car back it just did the same thing exactly as you are describing. On and off and on and off every few seconds and it vibrates and makes a deep below in the undercarriage/exhaust. My mother's 95' Cherokee does the same thing. It makes me nuts because I LOVE these trucks. I bought the 01' used because I like them so much not because I couldnt afford a new car. I dont know what to do about this problem either but you are right it cant be normal.
Steve
We had to jump the car because the fan caused the battery to die. Then we noticed that when we removed the cooling fan relay that the lowbeams did not work. However, once we replaced the relay with a new one and took the car out of 4 wheel drive (on the fly) the lowbeams once again worked and the cooling fan turns off!
Does anyone know if the relay has to do with either the shifting of the 4 wheel drive or the lowbeams?? Also has anyone who owns a 2001 grand cherokee found a good website with diagnostic codes. If so I would appreciate the info!!
Thanks,
Mark
http://www.wjjeeps.com/faultcodes.htm
As far as the problem with the cooling fan staying on after the car is shut off, I had the same problem a while back. Now the cooling fan wont turn on at all. I took it to a diagnostics place and they said it was my Powertrain Control Module (PCM) Hope this helps everyone out.
Thanks for the info.
"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
My sitter has an 2000, and I asked her if hers did too-and yes it does!
Drove me crazy at first-never had a car do that.