Torque Converter Housing Disassemble

Tools Required

• J 26941  Bushing and Bearing Remover. See Special Tools .
• J 29369-2  Bushing and Bearing Remover - 2-3 in. See Special Tools .
• J 29369-1  Bushing and Bearing Remover. See Special Tools .
• DT 46424  Bearing Puller. See Special Tools .
• SA9133T  Axle Seal Puller. See Special Tools .
• SA9133T-1  Axle Seal Puller Adapter. See Special Tools .

Fig 1: J 26941, SA9133T, SA9133T-1 & Torque Converter Housing
Courtesy of GENERAL MOTORS CORP.
1. Using the J 26941  (3), SA9133T  (1) and SA9133T-1  (2), remove the torque converter seal (116) from the torque converter housing (150). See Special Tools .
IMPORTANT: Ensure the jaws of the J 26941  do not catch on the other side of the bearing bore. See Special Tools .
2. Using the J 26941  (3),. See Special Tools .SA9133T  (1) and SA9133T-1  (2), remove the torque converter bearing (115) from the torque converter housing (150). See Special Tools .
Fig 2: J 26941, SA9133T, SA9133T-1, Output Shaft Front Bearing & Lube Feed Plate
Courtesy of GENERAL MOTORS CORP.
3. Inspect the output shaft front bearing (136) for wear or damage. Do not reuse the bearing after the bearing is removed. Replace the bearing if necessary.
4. Using the J 26941  (2),. See Special Tools .SA9133T  (1) and SA9133T-1  , remove the output shaft front bearing (136) from the torque converter housing (150). See Special Tools .
5. By hand, remove the output shaft lube feed plate (135) from the torque converter housing (150).
Fig 3: 1st/2nd Clutch Shaft Intermediate Bearing Retainer Bolt & Torque Converter Housing
Courtesy of GENERAL MOTORS CORP.
6. Remove the 1st/2nd clutch shaft intermediate bearing retainer bolt (133) from the torque converter housing (150).
7. Remove the intermediate bearing retainer (132) and the front bearing retainer washer (131).
Fig 4: Clutch Shaft Intermediate Bearing & Torque Converter Housing
Courtesy of GENERAL MOTORS CORP.
8. Using the J 29369-2  (2), SA9133T  and SA9133T-1  (1), remove the 1st/2nd clutch shaft intermediate bearing (130) from the torque converter housing (150). See Special Tools .
Fig 5: Removing 1St/2Nd Clutch Shaft Lube Feed Collar From Torque Converter Housing Using J 29369-1
Courtesy of GENERAL MOTORS CORP.
9. Using the J 29369-1  by hand, remove the 1st/2nd clutch shaft lube feed collar (129) from the torque converter housing (150). See Special Tools .
10. Remove the 1st/2nd clutch shaft lube feed collar seals (128).
Fig 6: J 26941, SA9133T, SA9133T-1 & 1st/2nd Clutch Shaft Front Bearing
Courtesy of GENERAL MOTORS CORP.
11. Using the J 29369-1  (1), SA9133T  (2) and SA9133T-1  (3), remove the 1st/2nd clutch shaft front bearing (127) from the torque converter housing (150). See Special Tools .
12. Inspect the bearing for wear or damage. Replace the bearing if necessary.
Fig 7: J 26941, SA9133T, SA9133T-1 & 3rd Clutch Shaft Front Bearing
Courtesy of GENERAL MOTORS CORP.
13. Using the J 29369-1  (2), SA9133T  (3) and SA9133T-1  (1), remove the 3rd clutch shaft front bearing (138). See Special Tools .
14. Remove the 3rd clutch shaft lube feed plate (139).
15. Inspect the bearing for wear or damage. Replace the bearing if necessary.
Fig 8: DT 46424, SA9133T-1 & Park Pawl Actuator Shaft Front Bearing
Courtesy of GENERAL MOTORS CORP.
16. Using the DT 46424  (1) and SA9133T-1  (2), remove the park pawl actuator shaft front bearing (134) from the transmission torque converter housing (150). See Special Tools .
17. Inspect the bearing for wear or damage. Replace the bearing if necessary.
Fig 9: Magnetic Chip Collector
Courtesy of GENERAL MOTORS CORP.
18. Remove the magnetic chip collector (137) from the torque converter housing (150).
19. Clean and inspect the magnet.

    If there is heavy build up on the magnet, determine the cause of this build-up and correct as needed.

20. If the chip collector is damaged, replace the complete assembly.
Fig 10: Fluid Baffle & Bolts
Courtesy of GENERAL MOTORS CORP.
21. Remove the fluid baffle bolts (125).
22. Remove the fluid baffle (124).
Fig 11: Removing Front Differential Tapered Front Roller Bearing Race From Torque Converter Housing Using A Hammer & Punch
Courtesy of GENERAL MOTORS CORP.
23. Inspect the front differential bearing race (901) for damage or excessive wear.
24. Using a hammer and punch, remove the front differential tapered front roller bearing race (901) and (900) from the torque converter housing (150)

    Tap lightly and evenly around the race, the race will slide out if kept even to the bore.

Fig 12: Removing Transfer Case Input Shaft Seal From Torque Converter Housing Using A Hammer & Punch
Courtesy of GENERAL MOTORS CORP.
25. Using a hammer and punch, remove the transfer case input shaft seal (118) from the torque converter housing (150).
Fig 13: Removing Front Wheel Drive Shaft Fluid Seal From Torque Converter Housing Using A Hammer & Punch
Courtesy of GENERAL MOTORS CORP.
26. Using a hammer and punch, remove the front wheel drive shaft fluid seal (117) from the torque converter housing (150).
Fig 14: Case Plug, Sealing Washer & Fluid Pressure Test Hole Plugs
Courtesy of GENERAL MOTORS CORP.
27. Remove the case plug (147) with the sealing washer (148).
28. Remove the 8 fluid pressure test hole plugs (67) with sealing washer (78).
Fig 15: Inspecting Bearing Bores For Damage
Courtesy of GENERAL MOTORS CORP.
29. Clean the torque converter housing in solvent and air dry. Ensure that all cleaning solvent is removed from the fluid passages.
30. Inspect the torque converter housing for being broken or cracked.
31. Inspect the control valve body mounting surface for damage.
32. Inspect the following bearing bores for cracks or a spun bearing:
    • 1st/2nd clutch shaft front bearing (1)
    • 1st/2nd clutch shaft intermediate bearing (2)
    • Output shaft front bearing (3)
    • Front differential bearing race (4)
    • 3rd clutch shaft front bearing (5)
    • Torque converter bearing (6)
33. Replace the torque converter housing if any of the above conditions are found.
34. Inspect the sealing surfaces for damage.
35. Repair small scratches or nicks with a soft stone.
36. Inspect the transmission to torque converter housing mounting surface for damage.
37. Inspect the case threaded bolt holes for damage.
38. Repair any damaged threads.