GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G8 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Power Brake Booster Vacuum Sensor Replacement

Removal Procedure

    Important: With the ignition OFF and the brakes cool, apply the brakes 3-5 times, or until the brake pedal becomes firm, in order to deplete the vacuum brake booster power reserve.

  1. Deplete the vacuum brake booster power reserve.

    2. Object Number: 2043179 Size: SH
  2. Disconnect the brake booster vacuum sensor electrical connector (1).

    3. Object Number: 2021924 Size: SH

    Important: Pull the brake booster vacuum sensor (2) towards the front of the vehicle to remove.

  3. Remove the brake booster vacuum sensor (2) from the brake booster (1).
  4. Remove the brake booster vacuum sensor rubber grommet (3) from the brake booster (1).

    5. Discard the brake booster vacuum sensor rubber grommet.

Installation Procedure

    Object Number: 2021924 Size: SH
  1. Install the NEW booster vacuum sensor rubber grommet (3) to the brake booster (1).

    2. Important: Push the brake booster vacuum sensor (2) to install it to the brake booster (1).

  2. Install the brake booster vacuum sensor (2) to the brake booster (1).

    3. Object Number: 2043179 Size: SH
  3. Connect the brake booster vacuum sensor electrical connector (1).