4 wheel disc tighten up w/o touching pedal

TOMGONZ

MEMBER
1979 PONTIAC TRANS AM
75,000 MILES

I have 1979 pontiac trans am w/455cu, auto, ps, pb, ac -4 wheel disc brakes-when I drive the car the bakes work great but after driving 2-3 miles highway or city the 4 wheel disc start to tighten up & the brake pedal is vry hard w/little travel.-I have replac

1 Reply

MHPAUTOS

MECHANIC
31,938 POSTS

Check that you have pedal free play, there should be a little free movement befor the master cylinder piston moves, you should be able to feel this with your hand pushing the pedal slowly.

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Friday, October 28th, 2011 AT 10:54 PM