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same problem had it ever since i had the truck new shoes turned the drums degreesed everything and everything is in working order. its a ford thing. oh one thing to do is to camfer the edges of the brake shoes sometimes if moisture gets in there they will swell and tend to grab untill they dry out
same problem had it ever since i had the truck new shoes turned the drums degreesed everything and everything is in working order. its a ford thing. oh one thing to do is to camfer the edges of the brake shoes sometimes if moisture gets in there they will swell and tend to grab untill they dry out
In the old days they used to shape the shoe to fit the drum so that wouldn't happen, fileing the ends like you suggested is the next best thing.
Never had it happen to any of my Fords... Low pressure to the rear brakes, yes, had that happen, but no lockups. Maybe your brake cylinder on that wheel is in need of replacing. The piston may be getting seized in its bore and not retracting.
Checking the backing plate on the rear axle where the brake shoes make contact with the backing plate. Sometime the brake shoe will wear a grove on the backing plate. This will cause the brake shoes to hang up and lock up.
Never had it happen to any of my Fords... Low pressure to the rear brakes, yes, had that happen, but no lockups. Maybe your brake cylinder on that wheel is in need of replacing. The piston may be getting seized in its bore and not retracting.
Mark
It's not a Ford thing, it's a drum brake thing. If the diameter of the drum doesn't match the diameter of the cut on the shoe the top of the front shoe can contact the drum first and pivot until it applys the rear shoe , causing the brakes to be applied more than you wanted. This also can occur if the rear brakes are way out of adjustment,(this is where I generally find it), because the adjuster is not holding the bottom of the shoe near the drum, when you apply the brake the same thing happens, the top of the front shoe contacts first and jambs. When you release the pedal or back off a bit the shoe doesn't retract because it jambed itself in the drum.
My 85 F-250 was notorious for this, it was a standard so it wasn't often I had to apply the brake in reverse so the self adjusters couldn't do their job.
Those self adjusters aren't very reliable in my opinion. Try adjusting the shoes manually before tearing the thing down. Also, I read that you "had the brakes done"? You should be able to take the truck to the brake shop that did it and get them to diagnose the problem. That is what I would do.
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