How to keep supercab from rusting?
Ok the title says it all. Around the mountains here all the extended cab portions of the truck cabs on bricknose trucks are rotted out. I have a rust hole free 87 f250 I'd like to keep that way. Can I drill some holes on the underside or inside and apply some sort of spray oil? Any ideas appreciated. thanks.
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The BEST way to have it not rust..
Don't drive it where it will get wet or salty |
Wash it frequently. Pick it up and pressure wash the underside. Repair damaged paint. Apply undercoat over seams.
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Dip it in hot wax?????? LOL
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Make sure the rear window does not leak(common)
also make sure the supercab window does not leak. I am not all that familiar with the supercabs yet, but if they are like a reg cab or crewcab, there is FOAM in the cab corner that retains moisture. If you can get it out that would help greatly |
Apply used motor oil to the underside every 5k miles.
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Originally Posted by arse_sidewards
(Post 16681421)
Apply used motor oil to the underside every 5k miles.
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Originally Posted by Diesel_Brad
(Post 16681160)
Make sure the rear window does not leak(common)
also make sure the supercab window does not leak. I am not all that familiar with the supercabs yet, but if they are like a reg cab or crewcab, there is FOAM in the cab corner that retains moisture. If you can get it out that would help greatly |
They seem to rust from the inside out. That is why I was curious about drilling holes in an attempt to apply oil to the inside. I guess if it is full of foam then i wont be able to coat the inside very well. I know its just an ole beater but id like to keep it looking decent and it will HAVE to be in salt and snow
https://cimg1.ibsrv.net/gimg/www.for...10cd261a39.jpg |
Originally Posted by mrollings53
(Post 16680516)
Wash it frequently. Pick it up and pressure wash the underside. Repair damaged paint. Apply undercoat over seams.
Buy a can of Rhino (or similar) bed liner material at a parts store and either brush it or spray it on. |
Originally Posted by NumberDummy
(Post 16682343)
Do not use undercoating as it hardens, then can chip off...rust will begin...then work its way under the undercoating that hasn't chipped off.
Buy a can of Rhino (or similar) bed liner material at a parts store and either brush it or spray it on. Also, the bottom of the cab has double wall construction and makes a perfect pocket for rust to start in. I'm not sure you could clean it out. |
Originally Posted by brokeasajoke
(Post 16682172)
They seem to rust from the inside out. That is why I was curious about drilling holes in an attempt to apply oil to the inside. I guess if it is full of foam then i wont be able to coat the inside very well. [I]I know its just an ole beater but id like to keep it looking decent and it will HAVE to be in salt and snow
Bed crossmembers, bed wheels wells, boxed area under taillights, inside tailgate, cab corners, doors, cab crossmembers, cab mounts, inside fenders, and rad support. basically ANYWHERE rust forms and there is inadequate paint coverage |
Ok so once I pull the rear seat and interior panel I will need to cut holes on the inside to access the foam correct?
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Originally Posted by brokeasajoke
(Post 16682172)
They seem to rust from the inside out.
We pulled our interior panels out and checked those nuts and they were BARELY finger-tight. Did a quick hose test and could see the water coming in. Removed each nut, re-installed with loctite and torqued to spec, re-ran the hose test and no leak. The foam, of course, is the co-conspirator. IIRC you can reach the foam between the cab walls with the interior panel removed (my wife did the work, so I don't remember for sure). |
Originally Posted by madpogue
(Post 16689398)
(my wife did the work, so I don't remember for sure).
Well i guess the next step is to remove the interior panels. I wonder if toluene thinner would dissolve the foam. |
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