1991 Audi 100 Wondering Could Cause Heater Working

1991 AUDI 100
20,000 MILES
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ANONYMOUS
  • MEMBER
  • 1 POST
I was wondering what could be the cause of my heater not working
Dec 24, 2012 at 4:07 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 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 24, 2012 at 4:10 PM
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