Rick's Free Auto Repair Advice

Posts Tagged: low brake pedal

Low brake pedal GM

Fix a Low brake pedal GM – C027B GM vehicles If you encounter a low brake pedal or one that sinks to the floor and you’ve either done a repair or had a repair done lately where the master cylinder has been moved, the problem may be as simple as a missing O-ring. GM installs an O-ring between the vacuum booster and the master cylinder. But if you remove the master cylinder without first pumping the brake pedal several times to discharge the stored vacuum, that can dislodge the O-ring. Replace … Read More

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