GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the closeout/insulator panel from under the dashboard on the drivers side. Refer to Instrument Panel Insulator Panel Replacement - Left Side.
  2. Notice: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in cleaning solvents of any type.


    Object Number: 1949737  Size: SH
  3. Disconnect the accelerator pedal position (APP) sensor electrical connector (1) from the accelerator pedal module.
  4. Remove the APP sensor mounting screws (2).
  5. Remove the APP sensor from the vehicle.

Installation Procedure


    Object Number: 1949737  Size: SH
  1. If previously removed, install the APP sensor bracket to the front of dash.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the APP sensor.
  4. Tighten
    Tighten the APP sensor bracket screws (2) to 9 N·m (80 lb in).

  5. Connect the APP sensor electrical connector (1).
  6. Operate the accelerator pedal and observe the APP angles using a scan tool. The accelerator pedal should operate freely, without binding between closed throttle and wide open throttle.
  7. Install the closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side.