Question about 1999 Pontiac Grand Prix
Same motor for all vents, try changing the filter for the ac,its located under the hood, in between the firewall and under the black plastic wiper cover on the left hand side. Remove it first to see if it works, if it does replace it. If it doesnt work or blow more air the fan might be going bad. I have 2 grandprix and that was the issue with mine.
Posted on Jun 27, 2010
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Posted on Jan 02, 2017
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