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02-03-2013, 05:18 PM
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#1 |
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Registered User
Join Date: Jan 2013
Location: 3,018 feet above the SoCal/Mojave Desert region.
Posts: 372
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Brakes lock up.
1969 GMC 350
The more I use the brakes, the more they start to drag than will lock up. Than I have to let the truck sit for awhile and than the brakes will release. The quickest way to release the brakes is to turn a screw on one of the brakes lines at the proportioning valve and a hissing sound happens and the brakes are good to go. Now if I drive the truck on the freeway, because we don't use brakes too much on the freeway, I can drive the truck all day long. If I hit stop and go traffic, I'm screwed. Doesn't seem to have any air in the lines. Brake fluid is full. I'm still using drums on all 4 corners. Any help would be great. Thanks. |
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