GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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: 858238  Size: SH
  1. Remove the connector position assurance (CPA) retainer.
  2. Disconnect the accelerator pedal position (APP) sensor electrical connector.

  3. Object Number: 816376  Size: SH
  4. Remove the accelerator pedal nuts.
  5. Remove the accelerator pedal assembly.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 816376  Size: SH
  1. Install the accelerator pedal assembly.
  2. Install the accelerator pedal nuts.
  3. Tighten
    Tighten the nuts to 20 N·m (15 lb ft).


    Object Number: 858238  Size: SH
  4. Connect the APP sensor electrical connector.
  5. Install the CPA retainer.
  6. Connect a scan tool in order to test for proper throttle-opening and throttle-closing range.
  7. Operate the accelerator pedal and monitor the throttle angles. The accelerator pedal should operate freely, without binding, between a closed throttle and a wide open throttle (WOT).
  8. Verify that the vehicle meets the following conditions:
  9. • The vehicle is not in a reduced engine power mode.
    • The ignition is ON.
    • The engine is OFF.