1996 CHEVROLET SILVERADO
200,000 MILES
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i have a 96 chevy truck with a 5.7 liter motor. When i push the brake pedal in it goes all the way to floor. Ive changed back wheel cylinders, master cylindar, and have bleed brakes until im blue in the face. Is it my brake booster or is the problem in my abs system
Feb 21, 2013 at 12:07 AM
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CARADIODOC
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Many ABS hydraulic controllers need a scan tool to bleed them. There's pockets where air can hide until some valves open up. This applies to four-wheel systems, not rear-wheel systems. Air can only get in there if you let the master cylinder run empty. The booster won't cause a low pedal. It just makes the pedal easier to push.
Feb 21, 2013 at 2:59 AM