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2000 Jeep Cherokee heater not blowing hot air

Tiny
OCONLEYJR
  • MEMBER
  • 2000 JEEP CHEROKEE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 113,950 MILES
My temp. Gauge is overheating and my heater is not blowing out hot air only cool air when the heater is on. The A/C works fine. I changed the thermostat and the coolant. What else could be wrong?
Friday, March 28th, 2008 AT 7:44 PM

3 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
Sounds like a bad head gasket. Does the cooling fan come on and stay on while its overheating?
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Friday, March 28th, 2008 AT 7:46 PM
Tiny
OCONLEYJR
  • MEMBER
  • 2 POSTS
Yes the fan comes on and stays on when the temp. Gauge overheat
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Saturday, March 29th, 2008 AT 8:16 PM
Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
Sounds like head gasket. To know for sure have it tested for exhaust gases in it.
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Saturday, March 29th, 2008 AT 8:40 PM

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