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Home >> Hummer >> 2008 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Engine Controls And Fuel - 4.4L - Introduction) >> Repair Instructions >> Accelerator Pedal Position Sensor Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of APP Sensor Bracket Mounting Nuts
    GM818887Courtesy of GENERAL MOTORS CORP.
  1. If previously removed, install the APP sensor bracket to the front of dash.
    2. NOTE: Refer to Fastener Notice .
  2. Install the APP sensor bracket mounting nuts.

    Tighten:  Tighten the APP sensor bracket nuts to 9 N.m (80 lb in).

  3. Position the APP sensor to the mounting bracket.
  4. Install the APP sensor mounting bolts.

    Tighten:  Tighten the APP sensor mounting bolts to 9 N.m (80 lb in).

  5. Connect the APP sensor electrical connector.
  6. Operate the accelerator pedal and observe the APP angles using a scan tool. The accelerator pedal should operate freely, without binding between closed throttle and wide open throttle.
  7. Install the closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
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