I was wondering what could be the cause of my.

Tiny
ANONYMOUS
  • MEMBER
  • 1991 AUDI 100
  • 20,000 MILES
I was wondering what could be the cause of my heater not working
Tuesday, December 25th, 2012 AT 12:07 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 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.
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Tuesday, December 25th, 2012 AT 12:10 AM

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