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1993 Jeep Cherokee overheating

Tiny
SNODEEL
  • MEMBER
  • 1993 JEEP CHEROKEE
Engine Cooling problem
1993 Jeep Cherokee 6 cyl Four Wheel Drive Automatic

My 1993 Jeep Cherokee has a new engine and HD radiator 60,000 miles ago. The waterpump, thermostat, CTS, both fans, radiator cap, are all good, but my dash gauge says engine is overheating. When it was definitely overheating 2 years ago I replaced the CTS (near thermostat) and it fixed it. This time I replaced the CTS, but the guauge still says it's overheating, but I'm not sure it is. How do I check this. And if it is overheating, what else can I do.
Thanks
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Thursday, August 20th, 2009 AT 2:59 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,189 POSTS
They make a thermometer that you can place in the top of the radiator to determine if it is actually overheating. Many parts stores will lend or rent the tool. With the engine cold, open the radiator, place the thermometer in the top of the radiator making sure it is in the coolant. Start and allow the vehicle to "overheat". Check the thermometer for temp. If it is over 210 degreed F, then there is a problem. Also, keep in mind, even though you replaced the t-stat 2 years ago, it may be bad again.
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Monday, August 24th, 2009 AT 9:55 PM

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