2009 Pontiac G8 BaseFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: Identifying Park Lock Micro Switch
    GM1954239Courtesy of GENERAL MOTORS CORP.
  1. If removed, install the micro switch (1) and wiring harness to the floor shift control base plate.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the park lock micro switch retaining screw (2) and tighten to 0.5 N.m (4 lb in).
  3. Route the wiring harness insuring no contact with moving component and the wire is not stretched.
    4. Fig 2: Locating Solenoid Wiring Harness Connector
    GM1954238Courtesy of GENERAL MOTORS CORP.
  4. Install the solenoid into retaining clip (3).
  5. Connect the solenoid wiring harness connector (1) to the shift lock solenoid (2).
    6. Fig 3: Identifying Selector Lever Housing
    GM1954236Courtesy of GENERAL MOTORS CORP.
  6. Install the insulator (4) to the base (1).
  7. Connect the selector lever housing (1) to the base (2) by locking the 4 retaining tabs.
    8. Fig 4: Identifying Shift Control Assembly Electrical Connector
    GM1954220Courtesy of GENERAL MOTORS CORP.
  8. Connect the wiring harness connector (1) to the rear of the selector assembly.
    9. Fig 5: View Of Lever Backing, Retainer Screw & Selector Lever
    GM1954225Courtesy of GENERAL MOTORS CORP.
  9. Install the selector knob, then install the selector knob retaining screw (1) and tighten to 2 N.m (18 lb in).
  10. Install the floor shift control. Refer to Transmission Control Lever Knob Replacement .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.