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saleen
Novice
Jul 22, 2010, 3:57 PM
Post #1 of 14
(1549 views)
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overheating-cherokee
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I HAVE A 1990 JEEP CHEROKEE,4.0L,OVER HEATING IF IDLE TO LONG OR STUCK IN TRAFFIC,DOES ALRIGHT GOING DOWN THE FREEWAY.DID NOT HAVE PROBLEM TILL I CHANGED THE AUTO TRANS AND PULLED THE RADIATOR OUT TO BE CLEANED AT LOCAL RADIATOR SHOP,ALSO CHANGED THERMOSTAT AT SAME TIME.THANK YOU.
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Sidom
Veteran
/ Moderator
Jul 22, 2010, 5:05 PM
Post #2 of 14
(1541 views)
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Re: overheating-cherokee
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Check to see if your cooling fan is coming on.
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saleen
Novice
Jul 22, 2010, 5:21 PM
Post #3 of 14
(1535 views)
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Re: overheating-cherokee
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IT HAS A DIRECT DRIVE CLUTCH FAN.THANKS.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 22, 2010, 5:25 PM
Post #4 of 14
(1532 views)
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Re: overheating-cherokee
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If it has HD cooling, it will also have an electric fan.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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saleen
Novice
Jul 22, 2010, 5:27 PM
Post #5 of 14
(1529 views)
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Re: overheating-cherokee
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YOU ARE CORRECT AND EVEN WHEN THAT COMES ON IT DOES NOT DETER IT FROM BOILING OVER IN THE RESEVIOR.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 22, 2010, 5:29 PM
Post #6 of 14
(1526 views)
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Re: overheating-cherokee
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Why did you have it cleaned in the first place. You must have already had a problem, right?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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saleen
Novice
Jul 22, 2010, 5:32 PM
Post #7 of 14
(1523 views)
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Re: overheating-cherokee
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NO ISSUES.PUT A NEW TRANS IN AND CLEANED PER WARRENTY.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 22, 2010, 5:36 PM
Post #8 of 14
(1519 views)
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Re: overheating-cherokee
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If your not having a problem at cruising speed, it can only be a fan problem. It may need a new fan clutch. Make sure the shroud is good and the radiator air flow isn't restricted.
(This post was edited by Hammer Time on Nov 17, 2010, 5:42 PM)
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saleen
Novice
Jul 22, 2010, 5:42 PM
Post #9 of 14
(1515 views)
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Re: overheating-cherokee
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I WILL CHECK THAT OUT.COULD IT STILL HAVE SOME AIR TRAPPED,I HAVE HEAT.THANKS FOR YOUR HELP.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 22, 2010, 5:43 PM
Post #10 of 14
(1512 views)
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Re: overheating-cherokee
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It's possible but not real likely. Just driving it should work the air out.
(This post was edited by Hammer Time on Nov 17, 2010, 5:42 PM)
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saleen
Novice
Jul 22, 2010, 5:47 PM
Post #11 of 14
(1508 views)
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Re: overheating-cherokee
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I DID NOT THINK SO BUT I AM UNFAMILIAR WITH THE JEEP.THANK YOU.
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bobfrompgd
User
Nov 17, 2010, 5:13 PM
Post #12 of 14
(1448 views)
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Re: overheating-cherokee
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I have 95 cherokee and have battled the same problem. Large engine in a small space. Small cooling system. I put on a high flow water pump, this helped a little. The electric cooling fan will not come on unless the ac is running or the engine reaches 215 degrees and by then it will not bring the temp down. I put on a toggle switch so I can control the electric fan. This was a big help. I have a heavy duty radiator for next summer. It took me a while to find one, I know from experience I wont have a cooling problem next summer. In the book that came with vehicle it even mentions hot weather with ac on, or going up a mountain. It is a weak cooling system. I put larger radiators on all my vehicles if I can . They all have over 200k miles. Cherokees are great I wish they still made them.
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bobfrompgd
User
Nov 17, 2010, 6:45 PM
Post #14 of 14
(1431 views)
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Re: overheating-cherokee
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O NO the sherriff..
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