gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - Brakes and Traction Control > < General Service Information|Page 8259
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Vacuum Brake Booster: Service and Repair
Power Brake Unit

1. Remove master cylinder attaching nuts and position master cylinder aside. Do not disconnect brake lines from cylinder.
2. Disconnect power brake unit pushrod from brake pedal.
3. Remove attaching nuts, then the power brake unit.
4. Reverse procedure to install.

Relays and Modules - Brakes and Traction Control > < General Service Information|Page 8259