Drive Sprocket Support and Seal Replacement

Special Tools 

J 39061  Converter Seal Installer

For equivalent regional tools, refer to Special Tools .

Fig 1: Locating Inspection Areas Drive Sprocket Support
Courtesy of GENERAL MOTORS COMPANY
1. Inspect the drive sprocket support for the following:
   • Spline damage
   • Journal damage
   • Bushing damage
   • Blocked converter drain holes
Fig 2: View Of Drive Sprocket Support & Seal
Courtesy of GENERAL MOTORS COMPANY
2. Remove the six 8 mm drive sprocket support bolts (404).
3. Remove the drive sprocket support (400) and the drive sprocket support seal (405).
Fig 3: Converter Helix Seal
Courtesy of GENERAL MOTORS COMPANY
4. Place the drive sprocket support (400) in a soft jaw vise. Use a wedge-shaped chisel in order to remove the converter helix seal (403).
Fig 4: View Of Drive Sprocket Support & Seal
Courtesy of GENERAL MOTORS COMPANY
5. Install a new drive sprocket support seal (405). Install the drive sprocket support (400) into the case.
CAUTION:

Refer to Fastener Caution .

6. Install the six 8 mm bolts (404) and using a star pattern, tighten the bolts to 11-13 N.m (8.0-9.5 lb ft).
Fig 5: Converter Seal Installer & Helix Seal
Courtesy of GENERAL MOTORS COMPANY
7. Use the J 39061  seal installerin order to install the new converter helix seal (403).
Fig 6: View Of Automatic Transmission Wiring Harness Assembly Retaining Bolts
Courtesy of GENERAL MOTORS COMPANY
8. Inspect the wiring harness (12) for the following:
   • Cut or pinched wires
   • Cut wire insulation
   • Bent or broken connectors
9. Install the wiring harness (12) into the case, with the notch going toward the inside of the case. Make sure that the harness snaps into place at the pass through connector (12). Insert the remainder of the harness into the valleys of the case housing.
10. Install the input speed sensor (14) and its bolt (15).
11. Install the input speed sensor wire harness bracket to the center of the case. Install its bolt (15).
Fig 7: Inspection Areas On Actuator Rod
Courtesy of GENERAL MOTORS COMPANY
12. Inspect the actuator park lock sleeve for excessive wear. Inspect the actuator rod (21) for a cracked end, a bent rod, or a broken spring.
Fig 8: Locating Inspection Areas Of Manual Shaft
Courtesy of GENERAL MOTORS COMPANY
13. Inspect the threads on the manual shaft (16). Inspect the machined area of the manual shaft (16), where the manual shaft seal (20) rides, for nicks and burrs.
Fig 9: View of Manual Shaft & Seal
Courtesy of GENERAL MOTORS COMPANY
14. Install the new manual shaft seal (20) onto the manual shaft (16).
15. Place the manual shaft (16) through the case.
16. Align the notch on the input speed sensor wire harness bracket to the groove on the manual shaft.
17. Tighten bolt (15) to 11-13 N.m (8.0-9.5 lb ft).
18. Seat the manual shaft seal (20) with the appropriate socket.
Fig 10: Locating Detent Lever, Actuator Rod & Manual Shaft Nut
Courtesy of GENERAL MOTORS COMPANY
19. Attach the new detent lever (17), the actuator rod (21) and the manual shaft nut (18) to the manual shaft. Hold the detent lever (17) stationary with a screwdriver in order to prevent bending of the actuator rod (21). Slide the actuator rod (21) into the actuator park lock sleeve.
20. Tighten the manual shaft nut (18) to 27-34 N.m (20-25 lb ft).
21. Install the detent roller assembly washer (26), the pivot arm, and the sleeves. Start the pivot bolt by hand. Tighten the pivot bolt to 8-14 N.m (6-10 lb ft).
22. Tighten the pivot bolt to 27-34 N.m (20-25 lb ft).
23. Install the detent return spring (27) to the detent roller assembly (26) and to the manual shaft. Install the spring with the small hook end around of the top of the manual shaft.