gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - Brakes and Traction Control > < General Service Information|Page 5369
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Vacuum Brake Booster: Service and Repair
Power Brake Unit

1.

Disconnect master cylinder assembly and vacuum hose from power brake unit.

2.

Disconnect power brake unit pushrod from brake pedal.

3.

Remove power brake unit attaching nuts from inside of vehicle.

4.

Remove power brake unit.

5.

Reverse procedure to install. Torque power brake unit and master cylinder mounting nuts to specification.

Relays and Modules - Brakes and Traction Control > < General Service Information|Page 5369