GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Avalanche - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Power Brake Booster Vacuum Sensor Replacement

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
  2. Remove the brake booster vacuum sensor from the brake booster.
  3. 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
  3. Connect the chassis wiring harness electrical connector (1) to the brake booster vacuum sensor.