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What would cause standing water on the passenger side of a 1999 Oldsmobile intrique?
Wiki User
∙ 15y ago
Check for leaks from the heater matrix. I had the exact same problem in my Olds. Behind the glove box, way up underneath is a fan (my fan went out and quit blowing AC so I was replacing it). Behind this fan is a duct that leads to the outside of the car, allowing fresh air to ventilate the cab. Not only was this duct full of leaves and mold. It was waterlogged. This is where the water was coming through. I found the end of the duct at the top end of the car under the hood and also found that there is a filter that needed to be cleaned and aired out (mold and leaves and unidentifiable gunk). I cleaned the filter replaced it and I haven't had a problem since. The only thing is this duct is extremely hard to reach, for it is on the extreme underside of the dash, it hurts your back to get to it. For a quick fix, I would always take the waterlogged car to a self-wash car wash and use the vaccums to vaccum out the water, It really worked well for me. Good Luck
Wiki User
∙ 15y ago
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