Sadly, there is a drain that needs to be cleaned on our trucks that no one knows about
In the 80-86 trucks, the cowl panel had large louvers, and it is really important on that series truck to clean these drains
Starting in 87, Ford went with holes instead of the louvers, but the pine needels and small leaves still manage to get in there
The example truck is a 94 parts truck, that has the fender already removed, so it makes it easier to see the drain.
I also took the pictures from the inner fender of another 94 truck, but all 80-96 trucks are similar
Lets get started
First, we remove the small screws on the plastic inner fender
side screws
2 next top screws
I then take a vice grip, and hook to the bottom of the panel, and pull it down with a bungie cord, and fasten it, so I can get my arms up inside behind the fender in front of the door
You are looking for this rubber drain ( that don't work)
There are 2 plastic plugs holding it on, pry it off with the proper tool
you will notice plenty of dirt inside
Clean it out, both sides of truck. Passenger side drops right into fresh air of heater box, and will flood heater, driver's side is behind computer on 87-96, and will fry your computer
Once it's clean and dry, I treat with some rubberized undercoating, and put the "drain" back on
I service this area about every 5 years on the "outside" trucks
Cleaning The Cowl Drains on a 1980-1996 F Series
Discussion in 'Body and Exterior' started by dustybumpers, Feb 2, 2016.
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Discussion in 'Body and Exterior' started by dustybumpers, Feb 2, 2016.
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