GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Enclave 🢒 Engine 🢒 Engine Controls and Fuel - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Accelerator Pedal Position Sensor Replacement

Removal Procedure

    Object Number: 1858231 Size: SH
  1. Remove the left instrument panel (I/P) insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
  2. Remove the driver knee bolster. Refer to Driver Knee Bolster Replacement .
  3. Remove the I/P wiring harness electrical connector (2) from the accelerator pedal position (APP) sensor assembly.

    4. Object Number: 1858232 Size: SH

    Important: Due to clearance issues, the upper attachment bolt cannot be removed from the APP sensor assembly. Loosen the bolt completely and leave the bolt in the component until the assembly is removed from the vehicle.

  4. Remove the APP sensor bolts and sensor assembly from the vehicle.

Installation Procedure

    Object Number: 1858232 Size: SH
  1. Install the upper bolt into the APP sensor assembly.
  2. Install the APP sensor assembly into the vehicle.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the remaining 2 lower APP sensor assembly bolts.

    4. Tighten
    Tighten the bolts to 8 N·m (71 lb in).


    Object Number: 1858231 Size: SH
  4. Install the I/P wiring harness electrical connector (2) to the APP sensor assembly.
  5. Install the driver knee bolster. Refer to Driver Knee Bolster Replacement .
  6. Install the left I/P insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side .