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Parking brake release itself

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Old Aug 14, 2016 | 05:42 PM
  #1  
mckoloum's Avatar
mckoloum
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From: Sunny Florida
Parking brake release itself

hi all, Happy Sunday!

Well I am getting close to finish the rebuild of my F100 1974 truck, I have been playing with the rear drum brake, adjusting the "self adjusting" things...
so I tight those little adjuster and now when I press the parking brake, it release by itself and scary thing is it can take a minute or 10 secondes... Scary thing!
So I believe I could replace the entire parking brake assembly but I thought I will ask if anyone experience the same problem and if there simple fix for that!
Thanks you all
 
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Old Aug 14, 2016 | 07:17 PM
  #2  
four-sixty-power's Avatar
four-sixty-power
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From: Lower Mainland B.C.
sounds like it is the pedal assembly under the dash, the teeth on the part that engages when you press the pedal down are probably stripped / wore down
 
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Old Aug 15, 2016 | 07:44 AM
  #3  
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mckoloum
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From: Sunny Florida
Could it be the result of over tightening the parking brake cable?
When I was using the parking brake before I didn't have any problem it was holding fine until I started to adjust the drum break. When using the parking on the slop, the truck was still moving, so I thought I should adjust the drum break, so the shoes are closer to the drum. that's what I did, and since that moment the pedal is obviously much harder but release by itself!, the teeth doesn't look that bad, but I believe if it release it is surely the culprit!
 
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