Posted 13 May 2018 - 07:16 PM
Anyone have any ideas where to start?
Car is a 79 with yellow tag master cylinder with the valve on the bulkhead, minispares 4 pot alloy calipers for 7.5 discs and 9/16 bore rear cylinders as recommended by minispares.
Posted 13 May 2018 - 07:53 PM
One thing to check is the rear brake cylinders. I recently changed all the shoes on mine, pumping the pedal after adjusting each one, but the pedal was getting lower. Got to the last of the brakes and found the cylinder was leaking...
Posted 13 May 2018 - 08:44 PM
I feel that the 9/16" Cylinders are too small, I think 5/8" would be the right size and would give more braking on the rears, however you just need to check they don't over-brake and lock.
Posted 13 May 2018 - 08:45 PM
A 'just passed' for rear brakes would be my perfect MOT result - less chance of them locking up in the wet under heavy braking.
Posted 14 May 2018 - 06:58 AM
The drums are quite sensitive to proper adjustment, if they are a bit loose they will give a low pedal. Have you got the shoes on the right way?
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