Mechanics

4 WHEEL DISC TIGHTEN UP W/O TOUCHING PEDAL

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
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Tomgonz
October 21, 2011.




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.

Mhpautos
Oct 28, 2011.


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