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2000 Jeep Cherokee 2000 Jeep OVERHEATING

Tiny
JFITCH
  • MEMBER
  • 2000 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 109,000 MILES
MY 2000 JEEP CHEROKEE IS OVERHEATING. I HAVE CHANGED THE THERMOSTAT AND WATER PUMP. I HAVE AN ELECTRIC FAN. I DO NOT HAVE A FAN ON THE ENGINE. I HAVE CHECKED FUSES AND THEY ARE OK. DOES ANYONE HAVE ANY IDEA. AS LONG AS YOU ARE DRIVING THE ENGINE STAYS COOL BUT WHEN YOU HAVE TO STOP A LOT IT WILL BEGIN TO OVERHEAT. HELP
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Tuesday, June 17th, 2008 AT 11:18 AM

8 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
So your saing the fan doesnt come on?

Hot nor cold?

Turn on the ac does the fan come on? If so I would change the coolant temperature switch.
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Tuesday, June 17th, 2008 AT 1:10 PM
Tiny
JFITCH
  • MEMBER
  • 4 POSTS
THE FAN RUNS, BUT I WILL CHECK AND SEE IF IT RUNNING CORRECTLY. THANKS FOR THE SUGGESTION.
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Tuesday, June 17th, 2008 AT 1:15 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
No problem, hope to hear from ya soon
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Tuesday, June 17th, 2008 AT 8:05 PM
Tiny
JFITCH
  • MEMBER
  • 4 POSTS
I HAVE TRIED TO LOCATE THE TEMPERATURE COOLANT SWITCH BUT COULD NO LOCATE IT. ANY SUGGESTIONS WHERE I COULD FIND IT. ALSO I HAVE NOTICED THAT MY AUTOMATIC ELECTRIC FAN IS NOT WORKING AS IS SHOULD. MY BROTHER SAID THAT THE A/C COMPRESSOR SHOULD STAY ON WHEN THE A/C IS ON, MY JUST CLICKS ON AND OFF? ANY SUGGESTIONS WOULD BE GREATLY APPRECIATED. THANKS
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Wednesday, June 18th, 2008 AT 7:28 AM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
I can find a diagram of the switch for you. But as with the ac compressor, I would sugest having someone look at it as it will be hard for the average joe to fix. The switch could be causing it.
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Wednesday, June 18th, 2008 AT 9:41 AM
Tiny
JFITCH
  • MEMBER
  • 4 POSTS
THANKS, WILL HAVE TO HAVE SOMEONE ELSE LOOK AT IT. YOU HAVE BEEN A GREAT HELP.
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Wednesday, June 18th, 2008 AT 10:19 AM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Your welcome! Glad to have steered you in the proper direction.

Pleasure to have helped you.
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Thursday, June 19th, 2008 AT 12:22 PM
Tiny
RIXJEEP
  • MEMBER
  • 1 POST
Have you checked the refrigerant charge? You do this with a set of gauges or with a single gauge that your local WalMart or autoparts store should carry. It is check on the LOW PRESSURE ONLY side of the system. That is on the passenger side near the drier (large cylinder close to the firewall). If a system is low on refrigerant, it will cause the compressor to cycle on and off. There is also a switch in the same area, on top of the drier or close to it that senses the amount of refrigerant in the system (pressure switch I think) that could be bad. I would at least purchase a gauge and check to see what it shows is in the system.

Are you saying that an electric fan was installed in place of the belt driven fan?
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Tuesday, June 24th, 2008 AT 8:01 AM

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