GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 LaCrosse 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Brake Booster Vacuum Sensor Replacement

Removal Procedure

    Object Number: 1994009 Size: SH
  1. Turn the ignition switch to the OFF position.
  2. Apply and release the brake pedal until the pedal becomes firm to deplete the vacuum power brake booster vacuum reserve.
  3. Disconnect the power brake booster vacuum sensor electrical connector.
  4. Remove the power brake booster vacuum sensor (1).

Installation Procedure

    Object Number: 1994009 Size: SH
  1. Install the power brake booster vacuum sensor (1).
  2. Connect the power brake booster vacuum sensor electrical connector.