GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1703744  Size: SH
  1. Disconnect the chassis wiring harness electrical connector (1) from the brake booster vacuum sensor.

  2. Object Number: 1703767  Size: SH
  3. Remove the brake booster vacuum sensor from the brake booster.
  4. Remove the brake booster vacuum sensor grommet from the brake booster.

Installation Procedure

Important: Lightly coat the brake booster vacuum sensor grommet with clean engine oil before installing the sensor.


    Object Number: 1703767  Size: SH
  1. Install the brake booster vacuum sensor grommet to the brake booster.
  2. Install the brake booster vacuum sensor to the brake booster.

  3. Object Number: 1703744  Size: SH
  4. Connect the chassis wiring harness electrical connector (1) to the brake booster vacuum sensor.