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Home >> Cadillac >> 2005 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Engine Control System - 8.1L - Introduction) >> Repair Instructions >> Accelerator Pedal Position (APP) Sensor Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Accelerator Pedal Assembly
    GM871926Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to the Fastener Notice in Cautions and Notices.
  1. Install the accelerator pedal assembly.
  2. Install the accelerator pedal nuts.

    Tighten:  Tighten the nuts to 20 N.m (15 lb ft).

  3. Reposition the carpet.
    4. Fig 2: View Of Accelerator Pedal Position Sensor Electrical Connector
    GM858238Courtesy of GENERAL MOTORS CORP.
  4. Connect the APP sensor electrical connector.
  5. Install the CPA retainer.
  6. Reposition the carpet.
  7. Connect a scan tool in order to test for proper throttle-opening and throttle-closing range.
  8. 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).
  9. Verify that the vehicle meets the following conditions:
    • The vehicle is not in a reduced engine power mode.
    • The ignition is ON.
    • The ignition is OFF.
  10. Inspect the carpet fit under the accelerator pedal.
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