12. Transmission Case and Clutch Housing Assemble

Transmission Case and Clutch Housing Assemble

Special Tools
* J 8092 - Universal Driver Handle
* J 23907-1 - Slide Hammer
* J 36017 - Valve Seal Remover
* J 36190 - Universal Driver Handle
* J 39433 - Input Shaft Seal Installer
* J 39435 - Bearing Race Installer
* J 39439-3 - Bushing Installer
* J 39439-1 - Shift Rail Bushing Removal/Installer
* J 39442 - Mainshaft and Countershaft Press Adapter
* J 42464 - Shift Shaft Seal lnstaller
* J 42496 - Inner Shift Rail Inner Seal lnstaller
* J 44384 - Bearing Installer

For equivalent regional tools, refer to Special Tools (Tremec 6-Speed - Manual Transmission).

Transmission Case





Note: The end of the bearing that has numbers stamped on it must face the J 44384 - bearing installer , so that the numbers are visible when the bearing is installed.

1. Install the 1st/2nd and the 3rd/4th shift shaft bearing. Use the J 36190 - driver handle (1) and the J 44384 - bearing installer (2).




2. Install the mainshaft bearing race (3), using the J 8092 - driver handle (1) and the J 39435 - installer (2).




3. Install the countershaft bearing race (3), using the J 8092 - driver handle (1) and the J 39435 - installer (2).




4. Install the dowel pins (1).




5. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads of the backup lamp switch.





Caution: Refer to Fastener Caution (Fastener Caution).

6. Install the backup lamp switch (3) and tighten to 27 Nm (20 lb ft).
7. Connect the backup lamp switch connector harness (1) to the backup lamp switch.
8. Install the backup switch bracket and bolt with washer (2). Tighten the bracket bolt to 9 Nm (80 lb in).




9. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads of the transmission case fill plug (1), the temperature sensor (3) and the cooler line return fitting (2).




10. Install the transmission case cooler line return fitting (1) and tighten to 18 Nm (13 lb ft).
11. Install the transmission case fill plug (2) and tighten to 27 Nm (20 lb ft).
12. Install the coolant temperature sensor (3) and tighten to 39 Nm (29 lb ft).





Caution: The H-pattern on the guide plate must face the extension housing. If the guide plate is installed incorrectly, then damage will occur.

13. Install the guide plate (2) and the guide plate bolts (1) and tighten to 22 Nm (16 lb ft).

Clutch Housing Assembly




1. Install the transmission fluid pump outlet pipe fitting (3) and tighten to 27 Nm (20 lb ft).
2. Install the pump outlet cooler fitting (2), and tighten to 18 Nm (13 lb ft).
3. Install the vent assembly (1).




4. Install the transmission fluid pump check ball (3).
5. Install the transmission fluid pump spring (2).
6. Install the transmission fluid pump spring retaining plug (1). Tighten the plug to 27 Nm (20 lb ft).




7. Install the oil pump (3).
8. Install the oil pump cover assembly (2).
9. Install the retainer ring (1).




10. Install the dowel pins (1).





Caution: If the 1st/2nd speed shift shaft bearing is installed incorrectly it will interfere with the inner shift rail seal causing a leak.

11. Install the 1st/2nd speed shift shaft bearing flush with the clutch housing, using the J 36190 - driver handle (1) with the J 44384 - bearing installer (2).




12. Install the 3rd/4th speed shift shaft bushing flush with the clutch housing, using the J 36190 - driver handle (1) with the J 39439-1 - bushing removal/installer (2).




13. Install the input shaft seal, using the J 39433 - input installer.





Note: One or more shims may be used.

14. Install one or more countershaft bearing shims (2) and the bearing race (1). Refer to Input Shaft, Mainshaft and Countershaft in Shimming Procedures (21. Shimming Procedures).




15. Install one or more input shaft bearing shims 2) and the bearing race (1). Refer to Input Shaft, Mainshaft and Countershaft in Shimming Procedures (21. Shimming Procedures).