Drum Brake Question
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Junior User
Joined: Mar 2018
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Drum Brake Question
1967 F250. Drum brake all around. Last summer I put new drum brake in while
installing lockouts. I put new wheel cylinders on both sides. Also put a new master cylinder and brake booster.
Most often when the brake applied it’s pulls hard to the right. I’ve adjusted and adjusted. I used a power bleeder on both side. It’s not always consistent but sometimes worse (and scarier than others). Any ideas? Maybe I need to continue going through bleeding cycles.
Like to to hear your opinions.
installing lockouts. I put new wheel cylinders on both sides. Also put a new master cylinder and brake booster.
Most often when the brake applied it’s pulls hard to the right. I’ve adjusted and adjusted. I used a power bleeder on both side. It’s not always consistent but sometimes worse (and scarier than others). Any ideas? Maybe I need to continue going through bleeding cycles.
Like to to hear your opinions.
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Hoses are pretty easy to find. Local parts store may stock them. NOS shouldn't be necessary. One overlooked source is that auction site, there are vendors that will make them up inexpensively using fresh DOT approved hose, and in custom lengths if required. There may be somebody local to you that does the same thing. What happens with older hose is it swells internally, it rots from the inside out. In effect they act as a one way check valve restricting the quick return of fluid.
Thread Starter
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Junior User
Joined: Mar 2018
Posts: 68
Likes: 0
Hoses are pretty easy to find. Local parts store may stock them. NOS shouldn't be necessary. One overlooked source is that auction site, there are vendors that will make them up inexpensively using fresh DOT approved hose, and in custom lengths if required. There may be somebody local to you that does the same thing. What happens with older hose is it swells internally, it rots from the inside out. In effect they act as a one way check valve restricting the quick return of fluid.
Cargo Master
Joined: Jul 2015
Posts: 2,063
Likes: 137
From: tucson
Have you pulled the wheels off of the right side to make sure everything is ok? I just redid mine and some how the self adjuster came apart.
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Lead Driver
Joined: Jul 2017
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From: San Jose, CA
That, and make sure that the primary (short) shoe is facing the front and the secondary (long) is facing the rear on each side. That would set up a strange action while braking.
As someone said, loose components. To me that would include either an improperly adjusted wheel bearing OR one that's going bad.
What about tires? A quick rotation side to side or front to rear would eliminate tires as a source.
Good luck.
Paul
As someone said, loose components. To me that would include either an improperly adjusted wheel bearing OR one that's going bad.
What about tires? A quick rotation side to side or front to rear would eliminate tires as a source.
Good luck.
Paul
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Senior User
Joined: Jan 2018
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From: Kenosha, WI
I have a '65 F-100 2wd with a similar problem...pulls to the left. I will be following this closely to see what your solution is. *Note: While reviewing my maintenance records for my truck I saw that the left kingpin "needs to be replaced." I have not looked into this yet but I wonder if worn kingpin bushings can cause it to pull to one side under braking???
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
It could be a bunch of things including even incorrect wheel bearing installation or the other things mentioned but original hoses (assumption here) especially are always suspect and need to go, in any case. Keep in mind too if it's pulling to the right, the defect is actually on the left side iirc, though brake repairs are always performed to both sides (an axle pair) to keep everything on the same sheet of music.
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