pontiac grand prix no cold air and no heat but the fan works, whats wrong

40

Asked by slipnslde May 13, 2017 at 03:35 PM about the 2006 Pontiac Grand Prix Base

Question type: Maintenance & Repair

pontiac grand prix no cold air and no heat but the fan works, whats wrong

2 Answers

30,895

It could be the mixer door actuator (a royal PITA to change) or the selector switch vacuum router (not half as bad as the actuator) .. that switch is both vacuum and electric and the hot summer takes it's toll on the O rings

2 people found this helpful.
40

Thanks, is there a way to differentiate one from the other?

1 people found this helpful.

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