By the look of the coorostion on the foam it appears to originate in the back portion of the floor pan i e.
Rear passenger seat floor wet.
The moon roof and door edges are completely dry.
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A similar problem could occur with the car s heater system.
Not sure where it s coming from.
If the seal is at all leaking when water rain is channeled by it it sucks the water in and down the vent and out the vent under the passenger seat.
Hardly any ac is used during the summer.
That will cause water to run down behind the rear seat puddle under the seat and ultimately the floorboard in the rear.
Causes of a wet passenger side floor mat 1.
My 99 1 8l turbo automatic usa passat is always wet on the rear passenger side right on back passenger side rain or shine.
No water found on the floor of the front passenger seat nor directly behind it is there water in the spare tire well of your trunk.
The heater core is like a small radiator.
5 series e12 e28 e34 e39 e60 e61 f10 g30 1996 2003 e39 carpet is soaking wet behind the passenger seat.
Carpet is soaking wet behind the passenger seat.
I had to take out the passenger seat cut the carpet along the crossmember fold the carpet back and remove the jute backing to wring it out.
Hot coolant flows from the engine where heat is absorbed and taken to the car s heater core when you turn on the heater.
Sunroof drains have been checked.
I couldn t believe the amt of water that squeezed out.
Where the heels of your feet would reside of the rear passenger.