only have water in the rear passenger side.
Could be any number of things (hole in the floor, hole in the trunk floor and the water's traveling, etc...), but my first guess is a plugged drain tube if the car has a sunroof.
If no sunroof then vynel top I had leek in roof cut top off and replaced metal had lots of rust under top real commen for cars
GETTING WATER IN THE BACK OF THE PASSENGER SEAT
i have water comming on the back seat passenger side of my 1999 lincoln town car
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