Torque Converter Housing Assemble

Tools Required

• DT 46412  Driver. See Special Tools .
• DT 46413  Driver. See Special Tools .
• DT 46414  Driver. See Special Tools .
• DT 46415  Driver. See Special Tools .
• DT 46516  Driver. See Special Tools .
• DT 46417  Driver. See Special Tools .
• DT 46428  Driver. See Special Tools .
• DT 46429  Oil Seal Driver
• EN 46342  Driver Handle

Fig 1: Case Plug, Sealing Washer & Fluid Pressure Test Hole Plugs
Courtesy of GENERAL MOTORS CORP.
NOTE: Refer to Fastener Notice in Cautions and Notices.
1. Install the eight 8 mm fluid pressure test hole plugs (67) with new sealing washers (78).

   Tighten:  Tighten the test hole plugs to 18 N.m (13 lb ft).

2. Install the 10 mm case plug (147) with the sealing washer (148).

   Tighten:  Tighten the plug to 26 N.m (20 lb ft).

Fig 2: DT 46516, EN 46342 & Park Pawl Actuator Shaft Front Bearing
Courtesy of GENERAL MOTORS CORP.
3. Using the 25 mm side of the DT 46516  (1) and EN 46342  (2), install the 12 x 24 x 6 mm park pawl actuator shaft front bearing (134) until flush in the transmission torque converter housing (150). See Special Tools .
Fig 3: 3rd Clutch Shaft Lube Feed Plate & 3rd Clutch Shaft Front Bearing
Courtesy of GENERAL MOTORS CORP.
4. Install the 3rd clutch shaft lube feed plate (139) into the torque converter housing (150).
5. Install the 28 x 52 x 12.8 mm 3rd clutch shaft front bearing (138) into the torque converter housing (150).
Fig 4: Installing The 3rd Clutch Shaft Front Bearing Using DT 46412 & EN 46342
Courtesy of GENERAL MOTORS CORP.
6. Using the 52 mm side of DT 46412  (2) and EN 46342  (1), install the 3rd clutch shaft front bearing (138) until it bottoms in the torque converter housing (150). See Special Tools .
Fig 5: Output Shaft Lube Feed Plate & Output Shaft Front Bearing
Courtesy of GENERAL MOTORS CORP.
7. Install the output shaft lube feed plate (135) into the torque converter housing (150).
8. Install the 40.5 x 74 x 21 mm output shaft front bearing (136) in the direction as shown in the insert.
Fig 6: Installing The Output Shaft Front Bearing Using DT 46412 & EN 46342
Courtesy of GENERAL MOTORS CORP.
9. Using the 72 mm side of DT 46415  (2) and EN 46342  (1), install the output shaft front bearing (136) until it bottoms out in the torque converter housing.

   When the bearing is fully seated the bearing will be slightly above the housing surface due to the design of the bearing.

Fig 7: Installing The 1st/2nd Clutch Shaft Front Bearing Using DT 46412 & EN 46342
Courtesy of GENERAL MOTORS CORP.
10. Using the 37 mm side of the DT 46413  (2) and EN 46342  (1), install the 29 x 39 x 9.5 mm 1st/2nd clutch shaft front bearing (127) until it bottoms out into the torque converter housing (150). See Special Tools .
Fig 8: 1st/2nd Clutch Shaft Lube Feed Collar & O-Ring Seals
Courtesy of GENERAL MOTORS CORP.
11. Install both 1st/2nd clutch shaft lube feed collar O-ring seals (128) on the 1st/2nd clutch shaft lube feed collar (129). Lubricate the O-ring seals with transmission fluid.
Fig 9: Lube Feed Collar, DT 46412 & EN 46342
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Ensure the lube feed collar is fully seated into the torque converter housing. Ensure there is no damage to the O-ring seals during installation.
12. Install the lube feed collar (129) into the torque converter housing bore with the aid of the 40 mm side of DT 46413  (2) and EN 46342  (1) as shown. See Special Tools .
Fig 10: Installing The 1st/2nd Clutch Shaft Intermediate Bearing Using DT 46412 & EN 46342
Courtesy of GENERAL MOTORS CORP.
13. Using the 62 mm side of DT 46414  (2) and EN 46342  (1), install the 32 x 63 x 19 mm 1st/2nd clutch shaft intermediate bearing (130) with the groove for the lock tab facing up. See Special Tools .

    The 1st/2nd clutch shaft intermediate bearing is properly installed into the torque converter housing when the following conditions are met:

    • Install the bearing until the lock tab groove is aligned to the lock tab surface.
    • When the lock tab is flush to the mounting surface, the lock tab will slide into the bearing groove .
Fig 11: 1st/2nd Clutch Shaft Intermediate Bearing Retainer & Bolt
Courtesy of GENERAL MOTORS CORP.
14. Install the 1st/2nd clutch shaft intermediate bearing retainer lock tab retainer (132).
15. Install the 1st/2nd clutch shaft intermediate bearing retainer M6 x 1.0 x 20 mm bolt (133).

    Tighten:  Tighten the bolt to 12 N.m (106 lb in)

16. Secure the bolt by bending the lock tab against the bolt head.
Fig 12: Front Bearing Race Spacer & Front Roller Bearing
Courtesy of GENERAL MOTORS CORP.
IMPORTANT:
• Lubricate all parts with automatic transmission fluid during installation.
• Replace the tapered roller bearing with a NEW one whenever the race is replaced.
• Do not use the selective shim or shims on the torque converter housing side.
• Adjust the preload after replacing the tapered roller bearing and race.
17. Install the front differential front bearing race spacer (900) into the torque converter housing (150).
18. Install the front differential tapered front roller bearing 80 mm race (901) into the torque converter housing (150).
Fig 13: Installing The 80 mm Front Differential Tapered Front Roller Bearing Race Using DT 46428 & EN 46342
Courtesy of GENERAL MOTORS CORP.
19. Using the 78 mm side of DT 46428  (2) and EN 46342  (1), install the 80 mm front differential tapered front roller bearing race (901) until fully seated. See Special Tools .
Fig 14: Installing The Torque Converter Bearing Using DT 46428 & EN 46342
Courtesy of GENERAL MOTORS CORP.
20. Using the DT 46414  (2) and EN 46342  (1), install the torque converter bearing (115) until it bottoms out flush in the torque converter housing (150) using the 68 mm side of the driver. See Special Tools .
Fig 15: Installing The Torque Converter Fluid Seal Using DT 46428 & EN 46342
Courtesy of GENERAL MOTORS CORP.
NOTE: Do not install the torque converter fluid seal (116) below the flanged section of the torque converter housing or premature failure of the mainshaft front bearing could occur.
21. Using the DT 46417  and. See Special Tools .EN 46342  , install the torque converter fluid seal (116) until it is flush with the flanged section of the torque converter housing (150) using the 45 mm side of the driver.
Fig 16: Installing The Front Wheel Drive Shaft Fluid Seal Using DT 46428 & EN 46342
Courtesy of GENERAL MOTORS CORP.
22. Using EN 46342  (1) and DT 46429  (2), install the 35 x 54 x 8 mm front wheel drive shaft fluid seal (117) into the torque converter housing (150) until the seal is flush with the housing surface.
Fig 17: Installing The Transfer Case Input Shaft Seal Using DT 46428 & EN 46342
Courtesy of GENERAL MOTORS CORP.
23. Using the 65 mm side of DT 46417  (2) and EN 46342  (1) install a NEW 48 x 65 x 7.5 mm transfer case input shaft seal (118) into the torque converter housing (150) until the seal is flush with the housing surface. See Special Tools .
Fig 18: Fluid Baffle & Bolts
Courtesy of GENERAL MOTORS CORP.
24. Install the fluid baffle (124).
25. Install the fluid baffle bolts (125).

    Tighten:  Tighten the bolts to 12 N.m (106 lb in)

Fig 19: Magnetic Chip Collector
Courtesy of GENERAL MOTORS CORP.
26. Install the magnetic chip collector (137) back into the torque converter housing assembly (150).