Rear Passenger Floor Wet

A couple of days ago my wife noticed that the floor mat on the rear passenger side of her car was sopping wet.

Rear passenger floor wet.

Hot coolant flows from the engine where heat is absorbed and taken to the car s heater core when you turn on the heater. Its also not wet on the floor mat just the carpet underneath. I have the passenger seat taken out carpet pulled back and there is a lot of puddled water on the pan. Just found out my rear passenger footwell is soaking wet for unknown reason.

I vaguely remember someone posted here with the same issue before but no practical cause solution found. Bad heater core a similar problem could occur with the car s heater system. I have the same exact problem as water accumilates with big rains on the right rear passenger floor pan of my 2002 525 wagon. Dam it rained like hell early this week in sf bayarea.

Wet rear right passenger side floor i checked the door seals and weather stripping and there doesn t seem to be a leak or gap. The heater core is like a small radiator. Its not wet at all anywhere else other than the rear passenger side. My rear passenger floor has been getting pretty wet lately.

Causes of a wet passenger side floor mat 1. I ve pulled the carpet and dried under on top of and tried to treat any mildew. Why floor is wet on passenger side floor mat carpet wet car smells wet in this video we will explain why your car carpet on the passenger side may be wet. She thought perhaps a water bottle must have spilled or leaked so she soaked up the water and dried out the mat.

The only other thing i can think of is the sunroof but again the stripping all seems good. I was thinking it would be my.