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front brakes slowly come on when driveing

Posted: Wed Mar 05, 2008 7:22 pm
by 4sum4
Driving along then the front brakes will slowly lock on to the point were the rear wheels will just spin,this happens when I`m not using the brakes at all,I have to crack the bleeder valve to get going again,whats going on?

Posted: Wed Mar 05, 2008 8:12 pm
by dow50r
Your master cylinder has an internal bleed hole so oil can come back to the reservoir when it heats up and expands...you either have the booster pushrod adjusted out too much pushing on the master and covering up the hole, or it is blocked with contamination, or the pedal height is out....something like that...bottom line is that hole is blocked...

Posted: Wed Mar 05, 2008 10:06 pm
by toyrex
x2 the master cylinder