2000 Grand Prix GT / Heat-Air Mode Doesn't Change Air Flow

bgood64
Posts: 3
Joined: Wed Sep 16, 2015 3:08 pm

2000 Grand Prix GT / Heat-Air Mode Doesn't Change Air Flow

Unread post by bgood64 » Wed Sep 16, 2015 3:11 pm

Whether it's the heat or air that's on, it only blows out the passenger side vents and center passenger's side. Won't blow on feet or out ALL vents at once.

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carriedi
Posts: 2573
Joined: Wed Apr 10, 2013 12:42 pm

Re: 2000 Grand Prix GT / Heat-Air Mode Doesn't Change Air Fl

Unread post by carriedi » Wed Sep 16, 2015 11:16 pm

it's a little complicated and maybe difficult to get to but you have to check and see if the mode doors are working. A hand held vacuum pump would come in handy but you could use engine vacuum and a hose you can jump to the mode door actuators.
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