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Home >> GMC >> 2002 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - 8.1L) >> Repair Instructions >> Accelerator Pedal Position (APP) Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the accelerator pedal to the steering column support bracket.
    NOTE: Refer to the FASTENER NOTICE in Cautions and Notices.

    Important:  Always use a torque wrench in order to obtain the proper torque.

  2. Install the accelerator pedal mounting bolts.

    Tighten 

    Tighten the accelerator pedal mounting bolts to 20 N.m (15 lb ft).

    Fig 1: Accelerator Pedal & Mounting Bolts
    G01598891Courtesy of GENERAL MOTORS CORP.
  3. Connect the APP sensor harness connector.
  4. With the vehicle not in reduced engine power, turn ON the ignition with the engine OFF. Test for proper throttle opening and closing range by operating the accelerator pedal and monitoring the throttle angles using a scan tool. The accelerator pedal should operate freely without binding between full closed throttle and wide open throttle (WOT).
  5. Inspect the carpet fit under the accelerator pedal.
    Fig 2: APP Sensor Harness Connector
    G01598892Courtesy of GENERAL MOTORS CORP.
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