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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 464 (Engine Control System - 4.8L, 5.3L & 6.0L (Introduction)) >> Repair Instructions >> Accelerator Pedal Position (APP) Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Accelerator Pedal Nuts
    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. Fig 2: View Of Accelerator Pedal Position Sensor Electrical Connector
    GM858238Courtesy of GENERAL MOTORS CORP.
  4. Connect the APP sensor electrical connector.
  5. Reposition the carpet.
  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:
    • The vehicle is not in a reduced engine power mode.
    • The ignition is ON.
    • The engine is OFF.
  9. Inspect the carpet fit under the accelerator pedal.