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Unread 08-18-2013, 09:07 AM   #1
Presidente042
Registered User
2000 XJ Cherokee 
 
Join Date: Aug 2013
Location: Covington, Louisiana
Posts: 1
A/C problems on XJ

I have a Cherokee Sport 2000 and have been having issues with the A/C. I have had it recharged and have replaced the condensor fan assembly/motor and the compressor is one year old.

The issue is that the compressor kicks on for about four-five seconds and then off again for about the same amount of time. When I first start the vehicle and turn on AC the compressor kicks on and runs consistently for a while producing cold air, the condensor fan does nothing for a long while even with compressor running. Then I take a short drive down the road and back..when I return(or somewhere along the road)- the compressor is cycling as I already mentioned AND is no longer producing the ice cold air but tepid..or slightly cool air, but not cold.

I have read a few of the posts and see mention of blend doors as well as sensors/pressure switches on the AC line.

Can anyone give me some advice? I am in Louisiana and the summers here are hot, humid, and long.

Thanks in advance.

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Unread 08-20-2013, 12:25 PM   #2
bamasteeler
Registered User
1980 CJ7 
 
Join Date: Mar 2007
Location: alabama, ALABAMA
Posts: 672
the condenser fan should kick on as soon as you select the a/c to on. if it isnt you need to find out why. there is a relay in the pdb under the hood just aft of the battery. swap it out and see if it comes on then. sounds like its building up pressure and your pressure switch is what is cycling the compressor on and off.
thats how it is on my 1999 cherokee i would imagine a 2000 is the same operation.
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1980 Jeep CJ7
AMC 258, T176, D300,
AMC 20 REAR, D30 FRONT

1999 XJ CLASSIC
RC 3" front AAL rear
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