The heater is blowing cold air when heater is on

Tiny
ANONYMOUS
  • MEMBER
  • 1992 CADILLAC STS
  • 175,000 MILES
The heater is blowing cold air when heater is on
Thursday, October 18th, 2012 AT 4:25 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check to make sure hoses are hot going in an dout of heater, if they are then it may bea n actuator on htr box or something in the auto temp control is messed up an dneeds to be looked at. Generic pic inclosed.
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Thursday, October 18th, 2012 AT 1:58 PM

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