GM Service Manual Online
For 1990-2009 cars only

Tool Required

J 41545 Park/Neutral Switch Aligner

Removal Procedure

  1. Apply the park brake.
  2. Block the wheels.
  3. Shift the transmission into Neutral.
  4. Remove the throttle body air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.4L.

  5. Object Number: 368792  Size: SH
  6. Use a flat-bladed tool in order to remove the automatic transaxle range selector cable from the cable lever.

  7. Object Number: 262803  Size: SH
  8. Remove the electrical connectors.
  9. Remove the automatic transaxle range selector lever. Refer to Automatic Transmission Range Selector Lever Replacement .

  10. Object Number: 161076  Size: SH
  11. Remove the PNP switch bolts.
  12. Remove the PNP switch.

Installation Procedure

  1. Verify that the transaxle is in Neutral.

  2. Object Number: 161076  Size: SH

    Important: DO NOT ROTATE A NEW PNP SWITCH. A new PNP switch is produced in the Neutral position. If the bolt holes do not align with the holes in the transaxle, verify that the transmission is in Neutral.

    Adjust the PNP switch if the new switch has been rotated and the pin is broken or if using an old PNP switch. Refer to Park/Neutral Position Switch Adjustment .

  3. Align the flats of the shift shaft to the flats in the PNP switch.
  4. Install the PNP switch to the transaxle.
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the PNP switch bolts.
  7. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  8. Install the automatic transaxle range selector lever. Refer to Automatic Transmission Range Selector Lever Replacement .

  9. Object Number: 262803  Size: SH
  10. Install the electrical connectors.

  11. Object Number: 368792  Size: SH
  12. Install the automatic transaxle range selector cable.
  13. Important: Verify that the engine starts ONLY with the transmission in Park or Neutral. Adjust as necessary. Refer to Park/Neutral Position Switch Adjustment .

  14. Install the throttle body air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls- 3.4L.
  15. Remove the blocks from the wheels.
  16. Release the park brake.