1991 AUDI 100
20,000 MILES
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ANONYMOUS
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  • 1 POST
I was wondering what could be the cause of my heater not working
Dec 25, 2012 at 12:07 AM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
Many things could cause the heater not to work. Check to make sure the coolant level is full, make sure the engine is warming up to a normal operating temp, check the thermostat, check to make sure heater core isn't plugged, check blend air door.
Dec 25, 2012 at 12:10 AM
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