4 WHEEL DISC TIGHTEN UP W/O TOUCHING PEDAL

  • Tiny
  • tomgonz
  • 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

Friday, October 21st, 2011 AT 6:50 PM

1 Answer

  • Tiny
  • mhpautos
  • Expert
  • 30,495 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

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