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: 43534  Size: SH
  1. Remove the connector position assurance (CPA) retainer.
  2. Disconnect the accelerator pedal position (APP) sensor electrical connector.
  3. Reposition the carpet, to access the lower bolt.

  4. Object Number: 43535  Size: SH
  5. Remove the APP assembly bolts.
  6. Remove the APP assembly.

Installation Procedure


    Object Number: 43535  Size: SH
  1. Install the APP assembly.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the APP assembly bolts.
  4. Tighten
    Tighten the bolts to 20 N·m (15 lb ft).

  5. Reposition the carpet.

  6. Object Number: 43534  Size: SH
  7. Connect the APP sensor electrical connector.
  8. Install the CPA retainer.
  9. Connect a scan tool in order to check for the proper throttle-opening and throttle-closing range.
  10. Verify that the vehicle meets the following conditions:
  11. • The vehicle is not in a reduced engine power mode.
    • The ignition is ON.
    • The engine is OFF.
  12. 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).