Installation Procedure

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Install the gasket to the booster.
Install the vacuum booster.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the 4 vacuum booster mounting nuts.
Tighten: Tighten the nuts to 33 N.m (24 lb ft).

Fig 1: Installing Vacuum Booster & Nuts

Courtesy of GENERAL MOTORS CORP.

Install the pushrod (3) and the stop lamp switch (2) to the brake pedal stud (1).
Install the pushrod retaining clip (4) to the brake pedal stud (1).
Install the vacuum hose to the brake booster check valve.

Fig 2: View Of Pedal Stud, Stop Lamp Switch, Pushrod & Retaining Clip

Courtesy of GENERAL MOTORS CORP.

Install the master cylinder. Refer to Master Cylinder Replacement (Vacuum Boost) or Master Cylinder Replacement (Hydraulic Boost) .

Fig 3: Installing Master Cylinder Mounting Nuts

Courtesy of GENERAL MOTORS CORP.

Release the park brake and unblock the wheels.