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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1807 (Hydraulic Brake System) >> Repair Instructions >> Power Brake Booster Vacuum Sensor Replacement

Power Brake Booster Vacuum Sensor Replacement

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Ofr Power Brake Booster Vacuum Sensor
GM1799515Courtesy of GENERAL MOTORS CORP.
Power Brake Booster Vacuum Sensor Replacement

Callout Component Name

Preliminary Procedures

  1. Turn the ignition switch to the OFF position.
  2. Apply the brake pedal several times until the brake pedal becomes firm to deplete the power brake booster vacuum reserve.
  3. Without disconnecting the electrical connectors, remove the transmission control module (TCM) and mounting bracket and position aside.
  4. Disconnect the power brake booster vacuum sensor electrical connector.
1 Power Brake Booster Vacuum Hose Clamp
2 Power Brake Booster Vacuum Hose
3 Power Brake Booster Vacuum Sensor
Tip:  If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the power brake booster vacuum sensor to the brake booster. Do not use soap.