GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Optra 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Aisin (81-40LE) 🢒 Park/Neutral Position Switch Adjustment

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1245819 Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the park/neutral position (PNP) switch electrical connector from the wiring harness.

    3. Object Number: 1245820 Size: SH
  3. Remove the E-ring.
  4. Disconnect the shift control cable from the PNP switch lever.

    5. Notice: Refer to Transmission Selector Shaft Abuse Notice in the Preface section.


    Object Number: 1245823 Size: SH
  5. Remove the retaining nut and then remove the washer and the control lever.
  6. Using a driver, unstake the lock washer and remove the nut.

Installation Procedure

    Object Number: 1245824 Size: SH
  1. Install the PNP switch onto the manual valve lever shaft and temporarily install the 2 adjusting bolts.

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

  2. Install the new lock washer and nuts.

    3. Tighten
    Tighten the nuts to 12 N·m (106 lb in).


    Object Number: 1245822 Size: SH
  3. Temporarily install the control lever
  4. Turn the lever counterclockwise until it stops, then turn it clockwise 2 notches.
  5. Remove the control lever.

    6. Object Number: 1245808 Size: SH
  6. Align the groove with the neutral basic line, then install the 2 bolts.

    7. Tighten
    Tighten the 2 bolts to 5.4 N·m (48 lb in).


    Object Number: 1245810 Size: SH
  7. Using a screwdriver, stake the nut with the lock washer.

    8. Object Number: 1245825 Size: SH
  8. Install the control lever, washer and nut.

    9. Tighten
    Tighten the nut to 12 N·m (106 lb in).


    Object Number: 1290878 Size: SH
  9. Connect the control cable to PNP switch.
  10. Connect the PNP switch electrical connector.
  11. Adjust the control cable. Refer to Range Selector Lever Cable Adjustment .
  12. Install the control cable adjusting nut.

    13. Tighten
    Tighten the control cable adjusting nut to 8 N·m (71 lb in).

  13. Connect the negative battery cable.