Question about 2004 Pontiac Grand Prix
Heavy rain caused water to enter the car and saturate the passenger floorboard
The plastic cowl that goes between the windshield and the air intake inlet for the cabin blower motor needs a seal added to it. Go to a hardware store and get a thin 3/16" thick or less weatherstripping seal and place this on the plastic cowl piece. There might already be some there from the factory but it is most likely hard and cracked. This will keep the majority of the water from running into the air intake box. Also there is suppose to be a rubber seal on the edge of the sheetmetal just above the air intake. Make sure that weatherstripping piece is in place and not torn in any way.
Posted on Jun 04, 2009
Check the seal on the cabin air filter.there is a gasket that sits infront the will leak if its not in place
Posted on May 27, 2009
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Posted on Jan 02, 2017
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