The heat doesn't blow when in idle or park but.

Tiny
ANONYMOUS
  • 2005 PONTIAC MONTANA
  • 178,000 MILES

The heat doesn't blow when in idle or park but when droning blows slightly

Sunday, January 27th, 2013 AT 10:05 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
  • 25,525 POSTS

The heater core may be clogged. See if the hoses are both hot going into the core.

Roy

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Sunday, January 27th, 2013 AT 10:11 PM

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