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Old 06-28-2010, 03:35 PM
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Factory paint failure repaint

Got a deal on a 91 F150 4x4 I could not pass up. The only problem is major factory paint failure. I have seen many 90s vehicles like this where entire panels peel to the gray primer or to bare metal.
I have both problems, I intend to start with epoxy primer, can I sand and treat the metal like other repaints I have done, or will I need to remove to bare metal for proper adhesion?

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Old 06-28-2010, 06:50 PM
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I'am working on a chev one ton Right now that has the same thing. I sanded it with 80 until it started to feather and all peeling paint was gone then re-primed before painting.It looks to me like there is something in the primer that floats to the top as it cured and thats what is causing all the paint failures. When you scuff the old primer it appears to have a different color at the very top of it that scuffs off right away like there's some kind of film right a the top of it.So be sure to sand any bear primer good before putting anything over it.I've done several of these in the last year for a small truck lot I do side-line work for.
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Old 06-28-2010, 10:30 PM
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Your safe bet is to strip the entire truck but there are things to consider.If your wanting to make it perfect as a show truck you don't want the possibility of paint falling off. If it is a daily driver or a work truck then if you have problems down the road with another panel you can just repair it then or you might be done with the truck anyways.
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Old 06-29-2010, 05:26 AM
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Being a Ford, my guess is that the truck was repainted - possibly even at pre-delivery. I was about to buy a new '93 T-bird that had damaged paint and was assured that it would 'be taken care of' before I took delivery. I passed and ordered another. The '86 Mustang, also purchased new, had a door and rear quarter that had been repainted below the trim - it had to be redone when it peeled. I missed seeing their original 'repair' when I took delivery so had my favorite body shop do the job.

The advice above is good - sand every panel. If you go through the top coats to primer, the only safe way to ensure a good job is to remove all that poorly adhering paint.
Irelands child
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Old 06-29-2010, 05:36 AM
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Thanks guys, I had a feeling it was some kind of primer issue, I figured if it was a flash time isse or off gassing it wouldn't affect my work (should be cured after 21 yrs). Its funny how it peeled under the tape stripes and the roof is bare, so I will sand and break out the navel jelly for the real rusty areas. Any suggestions are greatly appreciated
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Old 06-29-2010, 06:16 AM
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Factory recall

GM had a factory recall for many 1991 S10 Blazer platforms due to paint failures. That is why my 91 S10 Blazer 4x4 has such nice finish. I am the second owner of the vehicle and the first owner was my daughter. She purchased the car in December 1990 which made it an early production year vehicle. Those are the ones that had the most paint failures because GM was in the process of correcting the paint problems by the second half of the 1991 production year of the S10 trucks. Her S10 Blazer 4x4 was recalled and repainted in late 1992 under the warranty. She gave it to me two years ago and the re-paint is still like new.
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