GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 SLS 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 5L40-E/5L50-E 🢒 Parking Pawl Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

    2. Object Number: 785877 Size: SH
  2. Remove the transmission manual shift shaft nut.
  3. Disconnect the shift linkage from the transmission.
  4. Place the transmission in neutral by rotating the transmission shift shaft clockwise 2 clicks.
  5. Remove the exhaust system. Refer to Exhaust System Replacement .

    6. Object Number: 801931 Size: SH
  6. Disconnect the propeller shaft coupler (1) from the transmission flange. Refer to Rear Propeller Shaft Replacement .
  7. Push the front propeller shaft toward the rear of the vehicle in order to release the propeller shaft coupler (1) from the transmission flange.

    8. Object Number: 787650 Size: SH
  8. Secure the front propeller shaft (1) to the shift control lever (3) with a piece of mechanics wire (2).
  9. Remove the transmission fluid pan. Refer to Automatic Transmission Fluid and Filter Replacement .

    10. Object Number: 795918 Size: SH
  10. Using a transmission jack positioned under the transmission pan area, support the transmission case on both sides with the 2 similar wood blocks to prevent the transmission internal components from contacting the transmission jack.
  11. Remove the transmission support. Refer to Transmission Support Replacement .
  12. Remove the extension housing. Refer to Case Extension and Gasket Replacement .

    13. Object Number: 854136 Size: SH
  13. Remove the parking pawl spring.
  14. Remove the parking pawl pivot pin.
  15. Remove the parking pawl.
  16. Inspect the following components:
    17. • The parking pawl tooth for chipping or wear
    • The parking pawl spring for over expansion
    • The pivot pin for scoring and excessive wear

Installation Procedure

    Object Number: 830384 Size: SH
  1. Install the parking pawl (3).
  2. Install the pivot pin (1).
  3. Install the parking pawl spring (2). The straight end of the spring locates against the case and the hooked end locates over the parking pawl.
  4. Install the extension housing. Refer to Case Extension and Gasket Replacement .
  5. Install the transmission support. Refer to Transmission Support Replacement .
  6. Remove the transmission jack.
  7. Install the transmission fluid pan. Refer to Automatic Transmission Fluid and Filter Replacement .

    8. Object Number: 787650 Size: SH
  8. Remove the mechanics wire (2) securing the front propeller shaft (1) to the shift control lever (3).

    9. Object Number: 801931 Size: SH
  9. Install the propeller shaft coupler (1) to the transmission flange. Refer to Rear Propeller Shaft Replacement .
  10. Install the exhaust system. Refer to Exhaust System Replacement .

    11. Object Number: 785877 Size: SH
  11. Place the transmission in the park position by rotating the shift shaft fully counterclockwise.
  12. Connect the shift linkage to the transmission.

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

  13. Install the transmission manual shift shaft nut.

    14. Tighten
    Tighten the nut to 16 N·m (142 lb in).

  14. Fill the transmission to the proper level. Refer to Transmission Fluid Check .
  15. Lower the vehicle.