Water in the floorboard?
#11
If the seal at the firewall has deteriorated, condensate dripping from the drain will run back along the bottom of the drain and track into the cab and down the inside of the firewall under the carpet.
I got a cheap 90° rubber elbow from AAP and pushed it over the drain, so the condensate drips down and not track back into the cab... problem solved.
Looks something like this;
I got a cheap 90° rubber elbow from AAP and pushed it over the drain, so the condensate drips down and not track back into the cab... problem solved.
Looks something like this;
#12
#13