Water in rear passenger floor board, Dealer says it is not a pulgged AC drain line


Asked by Aug 25, 2014 at 10:22 PM about the 2009 Chevrolet Malibu LS

Question type: Maintenance & Repair

2009 Chevy Malibu water soaked passenger rear floor board. I took it to the Chevy Dealer for an oil change and asked them to blow out the drain line to the AC unit. They said it was not plugged and would look at the AC core for a leak, The AC unit works fine we are in Florida and it keeps the car very cold when in operation. What could be the cause for the water showing up in the rear floor board and not in the front floor board.

3 Answers


Doe,s it have sunroof?

1 out of 1 people think this is helpful.
John Carson

Does the wet water have a smell like anti freeze? If so, there is where you start to look. Does the water show up after you wash the car or it is outside in the rain? Rear windows down or rubber gaskets around the doors getting soft and need replacing? Do you drive it in the rain and is there any deep puddles you drive through? Next time the oil is changed, have them look to see it there are any holes in the floor pan. Is the rear window secure and no leaks? Water only on the floor and not seats or rear deck? The A/C line should not be inside the car, it's usually in the engine compartment.

1 out of 1 people think this is helpful.

After 2 weeks of rain, our '08 Malibu had water in the trunk, 6 inches in the tire well, as well as water in the rear foot wells. the rear window seal leaks. I can see air bubbles under the glass, where the seal has pulled away from the glass. I cleaned the recessed channel around the window, and caulked it with black latex w/ silicone up to flush with the body and glass ...no more leaks.

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