GM Service Manual Online
For 1990-2009 cars only

Brake Pedal Position Sensor Replacement 5.3L w/RPO HP2

Removal Procedure


    Object Number: 1399581  Size: SH

    Important: Once the brake pedal position (BPP) sensor bolt is removed for any reason, a new 4 mm bolt, with fresh LOCTITE™ will need to be installed.

  1. Remove the BPP sensor bolt (1).

  2. Object Number: 1399584  Size: SH
  3. Remove the BPP sensor (2) from the mounting bracket.
  4. Disconnect the BPP sensor electrical connector (1).
  5. Remove the BPP sensor (2) from the vehicle.

Installation Procedure


    Object Number: 1399584  Size: SH
  1. Connect the BPP sensor (2) electrical connector (1).

  2. Object Number: 1399586  Size: SH
  3. Align the BPP sensor (1) with the actuation arm (2) on the brake pedal and the BPP sensor mounting bracket.
  4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1399581  Size: SH
  5. Install a new 4 mm bolt (1), with LOCTITE™ , to the BPP sensor.
  6. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  7. Calibrate the BPP sensor. Refer to Brake Pedal Position Sensor Calibration Description and Operation .