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Jeep overheating

Tiny
12PAUL12
  • MEMBER
  • 2002 JEEP WRANGLER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 95,000 MILES
I have a 2002 Jeep Wrangler 4 liter fuel injected 6 cylinder. I have been having issues with the temperature going from 250 to 210 back and forth as I drive. The heater will blow hot and cold air as this is happening.
Tuesday, December 14th, 2010 AT 1:20 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Suspect thermostat problem have tried replacing?
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Tuesday, December 14th, 2010 AT 2:39 PM
Tiny
12PAUL12
  • MEMBER
  • 10 POSTS
Thanks Docfixit. That's where I will start. It just seemed strange to have the heat get hot and then cold. I was suspecting the heater core but I didn't think the heater core would cause the overheating problem. The water pump isn't leaking and sounds fine. The coolant level in the radiator is fine also. I have been having issues with the heat not getting hot and thought the heater core was clooged. Would a clogged heater core cause an overheating issue?
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Tuesday, December 14th, 2010 AT 3:20 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Heater core would not effect engine cooling. If core blocked would be cool all the time
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Tuesday, December 14th, 2010 AT 3:35 PM

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