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1993 Chevrolet C1500 Cheyenne 4.3L Master Cylinder
Posted to GM Brakes on 1/18/2001

The pedal goes to the floor with the engine runing. Without the engine running, the pedal is high. It feels like the fluid is by-passing. I blocked the RWAL valve off at the Propotioning valve. But, it didnot help the pedal. I replaced the master cylinder. And...

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Message Closed w/FIX

car Vehicle Data

1993 Chevrolet C1500 Cheyenne

VIN 1GTEC14Z2P
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedMaster Cylinder
ConditionsLow Pedal
Message Closed w/FIX

car Vehicle Data

1993 Chevrolet C1500 Cheyenne

VIN 1GTEC14Z2P
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedMaster Cylinder
ConditionsLow Pedal