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Home >> Pontiac >> 1985 >> Fiero L4-151 2.5L >> Repair and Diagnosis >> Brakes and Traction Control >> Power Brake Assist >> Vacuum Brake Booster >> Testing and Inspection

Vacuum Brake Booster: Testing and Inspection


Hard Pedal
1. Internal Vacuum Leak.
2. Faulty Control Valve.
Brakes Grab
1. Faulty Control Valve.
Slow or No Release
1. Faulty pushrod adjustment.
2. Bind in linkage.