BRAKES PROBLEM1989 GMC C3500 V8 TWO WHEEL DRIVE...

1989 GMC C3500

Tiny

Gaath

April, 5, 2010 AT 5:48 PM

Brakes problem
1989 GMC C3500 V8 Two Wheel Drive Automatic 91,000 miles

Hi I have aproblem with my brakes there is no pedal till it's all the way at the floor now the red brake light came on when it 1st happend when it 1st I would have brake then only at the floor it would go off and on till it finally stoped doing it I just replaced the brake master cylinder and seem to have no change only other thing I could think of would be the booster but don't want to spend the money to find that it is not that the booster I have a hyrdo something they said at auto store any advise would help thanks alot

1 Answer

Tiny

Dr Loot

April, 23, 2010 AT 5:03 PM

Did you properly bleed the new master cylinder? Did you check your wheel for any brake fluid leak? The Hydro-boost units runs off of your power steering pump, is the fluid full? Have you bleed all four wheels to make sure there is no air in the system?

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