2001 Kia Sportage Over heat

2001 KIA SPORTAGE
96,000 MILES • 4 CYL • 2WD • AUTOMATIC
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WILEDAIR
  • MEMBER
  • 2 POSTS
When driving on the street or freeway with ac on the engine overheat. I need to turn off the ac unit and turn the heater on to bring my temp. lower. When temp. go down I can turn my ac on. Change the coolant and termostat, still the same.Fan is running when heater is on.
Aug 14, 2008 at 3:28 AM
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LEGITIMATE007
  • ✓Experienced Mechanic
  • 5,121 POSTS
check/change your engine coolant temperature sensor
Aug 14, 2008 at 4:17 AM
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WILEDAIR
  • MEMBER
  • 2 POSTS
I already replace my coolant temp. sensor. I notice that when I turn the ac on the fan is running. I also notice that when I am at park and have the ac on the temperature is starting to go up, but when I am driving the temperature is back to normal.
Aug 18, 2008 at 3:07 AM
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LEGITIMATE007
  • ✓Experienced Mechanic
  • 5,121 POSTS
well the fan is supposed to go on when you turn the a/c on. and the temp will always go up a little when idling. untill you move and the air passes throught the radiator is when it will go down some, but over heating is when your temp gauge is well into the redzone,
Aug 18, 2008 at 1:55 PM
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