Brakes Pulling - Ford Powerstroke Diesel Forum
 
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post #1 of 3 Old 01-15-2020, 10:03 AM Thread Starter
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Brakes Pulling

Hello all. I have a 97 250 4x4 with 180k miles. My brakes were pulling and had a burning smell. My mechanic found parts of the right caliper melted, presumably from overheating due to sticking. I had him change both calipers and the lines. After this, it started pulling left and smelling burnt on the left side. He changed what I think he called the preportioning valve. It continued. He then changed the master cylinder as this seemed to be the only thing left. The problem continued. He also shaved the rotors to ensure they were clean and not warped or anything. It still continues. Any ideas? Thanks.
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post #2 of 3 Old 01-15-2020, 10:51 AM
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Make sure the slide pins are well lubricated and that caliper pistons are not hanging up in the bores. Another, although less common, problem could be if the rubber brake lines are collapsing internally. this can cause the fluid to be unable to return resulting in the pads dragging. Cheers!

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post #3 of 3 Old 01-15-2020, 11:32 AM Thread Starter
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The calipers and rubber lines were changed. I assume they are working properly.
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