gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Slow Brake Pedal Return|Page 8396 > < Slow Brake Pedal Return
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Hydraulic Brake Booster: Testing and Inspection
Grabby Brakes/ Booster Chatters/ Pedal Vibrates

1. Faulty spool action caused by contamination in system.
2. Power steering pump belts slip.
3. Low fluid level in power steering pump.
4. Faulty spool operation caused by contamination in system.

Slow Brake Pedal Return|Page 8396 > < Slow Brake Pedal Return