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drum brake locking up

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Old 03-04-2011, 12:10 AM
1981dodgeorange 1981dodgeorange is offline
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Vehicle: 1999 dodge Cummins 2500 big injectors and cold air intake
Location: Washington State
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Default drum brake locking up

i have a 1999 with a 5 speed maual and when its wet and cold my rear drum brakes lock up and they are really touchy they lock up on anything snow or pavement. i have a friend with 2000 with a 6 sp and his does the same. only when its wet and cold. anyway to fix it? or wheats causing it
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Old 03-04-2011, 12:04 PM
3500reddragon 3500reddragon is offline
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Vehicle: 1998.5 24v Quad Cab 4WD Laramie 3500
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Take the drums apart, check the status of the shoes and drums, and clean everything thoroughly. You might need to manually adjust the auto adjusters looser to get the drums off. The auto adjusters are notorious for binding up and not working properly (not adjusting tight enough, which is a different problem). The adjusters might be hard to manipulate due to this (don't forget to move the locking mechanism away from the star so that you can loosen them. It might require a spray of PBR or similar penetrating lubricant. Make sure all hardware is in good shape and lube the assembly appropriately. Verify that the thick shoes are facing the rear of the vehicle. I've seen people/shops put them on backwards, which will cause problems. Obviously something is binding up; you just have to go over it meticulously and find the problem. Brake dust gets trapped in the drums and can cause things to bind up.
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Old 03-21-2011, 09:09 PM
codyayrton codyayrton is offline
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Vehicle: 1996 Dodge Ram 1500 4X4 Sport
Location: Bend, Oregon
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My right rear is doing the same thing. I noticed an oil spray on the inside of the wheel. I pulled the drum off and everything is saturated in oil. Hmmmmm.
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