Series brakes

Series 2A · May 16, 2014

Hi guys abit of help needed. The rear brakes on my 2a keep locking on. If i undo the bleed nipple they free off but as soon as you push the pedal again they lock on again ??? Could this be the master cylinder. Any help will be much appreciated thanks muchly

major truma 2 · May 16, 2014

check to see if they are adjusted right first ,,ie ,,back the adjuster off then try them ,allso check adjustment in pedal ,,
i take it that the brakeing system is non servo ?

divie · May 16, 2014

^.^^^What he said plus make sure there is some play in the master cylinder end, the push rod needs a little bit of float

NiteMare · May 16, 2014

does the pedal definitely return fully ?? if it's not returning fully there could be your problem (the pivot can and does partially sieze up)

also it's a 2a so it's well over 40 years old, has the flexi pipe to the rear axle ever been changed ?? if not it could be ballooning inside and restricting the return flow (acting as a one way valve)

nickjaxe · May 16, 2014

It does sound like the m/c pushrod has insufficient play as other have said.

urena · May 16, 2014

NiteMare said:
does the pedal definitely return fully ?? if it's not returning fully there could be your problem (the pivot can and does partially sieze up)

also it's a 2a so it's well over 40 years old, has the flexi pipe to the rear axle ever been changed ?? if not it could be ballooning inside and restricting the return flow (acting as a one way valve)

this will be the trouble

Series 2A · May 16, 2014

thanks for the info guys. It was parked up for 4 years before i bought her and the brakes were like this when i had it picked up. Will have a look at the pipe at rear. Thanks

ciderman · May 16, 2014

Flexi pipe failure- replace....

Series brakes

Series 2A

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major truma 2

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divie

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NiteMare

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nickjaxe

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urena

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Series 2A

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ciderman

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