GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2003 🢒 ION 🢒 Engine 🢒 Engine Electrical 🢒 Park/Neutral Position Switch Replacement

Tools Required

    • J 36346 Fascia Retainer Remover
    • J 44810 Transaxle Range Switch Alignment Tool

Removal Procedure
  1. Shift the transmission into neutral.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  3. Disconnect the transmission control module connectors, noting proper orientation.

    4. Object Number: 873343 Size: SH
  4. Remove the bolt and disconnect the large engine control module connector (4).
  5. Disconnect the engine wiring harness retainer near the engine control module.
  6. Disconnect the EVAP purge solenoid connector and lay wiring harness aside.

    7. Object Number: 866178 Size: SH
  7. Using the J 36346 or equivalent, remove the control cable assembly from the park/neutral position switch lever.
  8. Disconnect the park/neutral position switch harness connector.

    9. Object Number: 866179 Size: SH
  9. Remove the park/neutral position switch lever nut and lever.

    10. Object Number: 866180 Size: SH
  10. Remove the park/neutral position switch bolts.

    11. Important: Ensure that the manual shaft is fully seated into the transmission.

  11. Remove the park/neutral position switch from the vehicle.

Installation Procedure
  1. Place the transmission manual shift shaft in the neutral position.

    2. Object Number: 866180 Size: SH
  2. Align the flats on the manual shift shaft with the flats on the park/neutral position switch, while installing the switch.
  3. Loosely install the park/neutral position switch bolts.

    4. Object Number: 866181 Size: SH
  4. If installing the old park/neutral switch, insert theJ 44810 as shown and rotate the switch until the tool drops into position.

    5. Notice: Refer to Fastener Notice in the Preface section.

  5. Tighten the park/neutral position switch bolts.

    6. Tighten
    Tighten the bolts to 11 N·m (97 lb in).


    Object Number: 866179 Size: SH
  6. Install the park/neutral position switch lever and nut.

    7. Tighten
    Tighten the nut to 16 N·m (12 lb ft).

  7. Connect the park/neutral position switch harness connector.
  8. Install the control cable assembly to the park/neutral position switch lever and verify proper operation.
  9. Connect the EVAP purge solenoid connector.
  10. Install the engine wiring harness retainer near the engine control module.

    11. Object Number: 873343 Size: SH
  11. Install the large engine control module connector (4) and bolt.

    12. Tighten
    Tighten the bolt to 4 N·m (35 lb in).

  12. Connect the transmission control module connectors to the proper orientation.
  13. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.