Minimal hot air coming out of vents

Tiny
ANONYMOUS
  • 2008 PONTIAC GRAND PRIX
  • 74,000 MILES

Minimal hot air coming out of vents. I have flushed the system including the heater core, changed thermostat, checked the three electonic valves for recir, heat flap and vent positions and they all work. Any ideas?

Tuesday, November 20th, 2012 AT 5:23 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,362 POSTS

Are both heater core hoses getting hot? IF so (and the blend air door is working), you should have heat. If only one side is hot, chances are you still need to flush the heater core again.

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Tuesday, November 20th, 2012 AT 5:49 PM

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