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Rear Drum Brakes Adjustment

drum brakes adjustment

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#1 07MatrixXR-b

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Posted 30 December 2016 - 04:11 PM

According to opinions from YouTube teaching, rear drum brakes should be adjusted to a tightness that amounted wheel can only free spin about 1.5 - 2 revolutions by a single push.

 

OK, I do this adjustment on a regular base, but..... aren't they self adjustable? Why we need to adjust them manually? The reality is, about 3 months driving after an adjustment,  the drum brake will get 'loose'. I mean it still brakes when pedal being pressed, but the wheel can spin more than 4-5 revolutions upon single push.

 

Is this normal? Is the count of free spin revolution an indicator of a loosen drum brake? or there are some problems with the adjusters? 

 

Any reply values.



#2 sk8r78

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Posted 31 December 2016 - 10:33 AM

Self adjusting, by reversing up to 35mph and rapidly and firmly applying the brake. Might take a few times, depending how far out of adjustment they are.  



#3 Salsa Guy

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Posted 01 January 2017 - 11:52 AM

They will adjust automatically but dealing with rear drums to many things can go wrong and may not work.


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