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Saturday, March 17, 2012

97k2500 suburban 2500 with 350 vortech brake issues

This has hydro boost
I changed the master cylinder tonight... I have better braking... but pedal travels almost completely to floor before brakes begin to bite..... I adjusted the drums with no change... even with truck off I can not pump the pedal hard.. do you have any ideas? Could it be the hydro booster? I'm at a loss and need better brakes as I tow more days than not

2 comments:

  1. Pedal Height is controlled by the rear brake adjustment and it is also a possibility you have air in the system or mastercylender. You may also have a bad wheel cylender either leaking or frozen. also check for an equalizing valve if it has a tow package. These are usually attachedto the rear axle simular to GM's Load Leveler Valve Assy. for air ride systems.

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  2. When it comes to the brake system, get an expert to check it. Safety comes first when it comes to cars.

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