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mudtwig
New User
Apr 9, 2009, 4:04 PM
Post #1 of 10
(1473 views)
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brakes locking up
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1994 Toyota Pickup 4 cylinder 152000 miles
Any ideas?
I just bought this truck, and it was running fine during the test drive. The previous owner replaced the drivers side, rear bearings.
When I brought the truck home, it was good. But the next day, when I attempted to drive it, that rear wheel would not budge, so
I put it in reverse, and moved forward and it was good to go.
Occasionally that rear wheel would lock up, but also when I would come to a complete stop, the brake would catch and grab abruptly,
making that rear wheel skid out, and only that one wheel. The locking up is not as bad as it was before, but that brake still catches
now and then.
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Loren Champlain Sr
Veteran
/ Moderator
Apr 9, 2009, 4:13 PM
Post #2 of 10
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Re: brakes locking up
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mudtwig; Remove the brake drum on that wheel. I'm pretty sure you'll find that the brake lining is saturated with gear oil from the axle seal leaking. If you're lucky, you may be able to clean the linings and brake drum with Brake Clean or denatured alchohol. Worse case, you'll have to replace the linings and clean the drum and backing plate.
(I'm assuming that it isn't wheel cylinder leakage).
Loren
SW Washington
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mudtwig
New User
Apr 9, 2009, 4:18 PM
Post #3 of 10
(1468 views)
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Re: brakes locking up
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Thanks alot for your reply, I appreciate it.....
Any idea, why this happened right after the bearings had been replaced?
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way2old
Veteran
/ Moderator
Apr 9, 2009, 4:21 PM
Post #4 of 10
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Re: brakes locking up
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Sorry to jump Loren. More than likely the previous owner did not replace the shoes or clean all the grease out of the drum or shoe lining. If the shoes were saturated, the lining would swell and could cause the problem.
Being way2old is why I need help from younger minds
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mudtwig
New User
Apr 9, 2009, 4:28 PM
Post #5 of 10
(1461 views)
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Re: brakes locking up
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So it there a possibility, that this is not a axle seal leak?
Could this just be a messy brake drum?
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Loren Champlain Sr
Veteran
/ Moderator
Apr 9, 2009, 4:33 PM
Post #6 of 10
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Re: brakes locking up
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W2O; Gosh, don't ever hesitate.  Between Capt. Morgan and Maker's Mark, we'll figure it out!
Loren
SW Washington
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way2old
Veteran
/ Moderator
Apr 10, 2009, 5:04 AM
Post #7 of 10
(1449 views)
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Re: brakes locking up
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I would pull the brake drum and look to see id in fact the axle seal has been replaced. If seal is new and dry, replace the shoes and drum. The rear endgrease will permeate the metal in the drum causing it to glaze and have no place for the braks shoe to grip.
Hey Loren, Sister and daughter like Capt. Morgan. Got Tom to try a little Makers also.
Being way2old is why I need help from younger minds
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Apr 10, 2009, 7:15 AM
Post #8 of 10
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Re: brakes locking up
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You guys are too funny!
To add my opinion on gear oil on brakes: If that saturates the linings I've never found a solvent to really clean them out so new is the only route.
Gear oil in a drum on linings can shift between grabby to no friction - weird and makes a glaze that might need to be machined off of a good drum or replace them too. I swear some metal is porous enough to absorb some of the oil and really won't wash off well and machining might not last and start the issue all over again,
T
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Loren Champlain Sr
Veteran
/ Moderator
Apr 10, 2009, 3:25 PM
Post #9 of 10
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Re: brakes locking up
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Sister and daughter like Capt. Morgan? Glad to hear that there's some class in your family! Just kidding.
Loren
SW Washington
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way2old
Veteran
/ Moderator
Apr 10, 2009, 3:47 PM
Post #10 of 10
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Re: brakes locking up
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Being way2old is why I need help from younger minds
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