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Brandy 07-29-2010 07:31 AM

AC Not Working
 
At a loss…
I have a 2005 Jeep Grand Cherokee Limited w/automatic climate control.
Symptom: blower stops blowing when it is hot outside. Works perfect in the morning?
Possible Cause: Blower Motor Module.
Replaced the blower motor module, same issue.

Any thoughts on possible cause?

gc4x4 07-29-2010 07:41 AM

Re: AC Not Working
 
Quote:

Originally Posted by Brandy (Post 243773)
At a loss…
I have a 2005 Jeep Grand Cherokee Limited w/automatic climate control.
Symptom: blower stops blowing when it is hot outside. Works perfect in the morning?
Possible Cause: Blower Motor Module.
Replaced the blower motor module, same issue.

Any thoughts on possible cause?

sounds like the infrared tempreture sensor on the climate control face isn't working right. I had similar problem on the auto climate control in my old WJ and that was the problem.

Brandy 07-29-2010 02:56 PM

Re: AC Not Working
 
Update: Bad Blower Motor... too. :)

Part Numbers:
4885482AC - Blower Motor Module ($80.00 approx)
5143099AA - Blower Motor w/wheel ($200.00 approx)

1 year warantee on both.

maxst2 07-29-2010 03:17 PM

Re: AC Not Working
 
Have you tried turning auto off and see if works then?

moose158 07-29-2010 08:14 PM

Re: AC Not Working
 
If it is cold in the morning, and blows hot air in the afternon when its hotter out it could also be that you are running low on A/c refrigerant. Could still be a temp sensor as well. Had many a vehicle do that when they are low on refrigerant.

Brandy 08-03-2010 07:18 AM

Re: AC Not Working
 
Thanks all... it turned out to be a bad blower motor. When the air stopped blowing, I tapped on the motor and it came back on. Replaced the motor... everything is perfect.

moose158 08-03-2010 07:20 PM

Re: AC Not Working
 
Glad to here it's fixed!


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