Wet Passenger Floor, All possible issues explored.

[downforce137]

rain water splashed from the tires can def get into the evaporator drain before the TSB is done.. i believe thats how mine was soaked but no issues after the bulletin was completed

 

[MRV99]

I was going to suggest heater core as well, or possibly connections. I would think you’d smell coolant though.

I have checked the coolant levels and have been smelling the the wetness. I have not seen the Coolant level change in a year and there is no sweet smell of Antifreeze.

 

[nikhsub1]

Pretty sure certain build dates had an issue with a seam under the windshield.

 

[GLF5]

On my 2019 there was a leak at the passenger side cab vent (between the cab and the bed) which wet the entire passenger side floor, front and back.

 

[Bee]

I had to do the Ford TSB twice.

I found this information on another post in this forum. You simply can NOT just pop on the rubber elbow and call it done (https://static.nhtsa.gov/odi/tsbs/2019/MC-10168762-0001.pdf). It will still leak.

This is a channel or groove on the underside of the plastic spout. It is not represented well in the crappy pictures in the TSB. The second time, I used a sharp wood chisel to shave it flush so the rubber elbow gets a good seal. I also used silicone.