gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Vacuum Brake Booster Replacement|Page 9157 > < Vacuum Brake Booster Replacement|Page 9155
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6. Connect the electrical connection to the stop lamp switch.
7. Install the vacuum hose at the booster.

8. Install the master cylinder. 
9. Connect the negative battery cable.

10. Release the parking brake.
11. Enable the SIR. 

Vacuum Brake Booster Replacement|Page 9157 > < Vacuum Brake Booster Replacement|Page 9155