15. Extension Assemble

Extension Assemble

Special Tools
* DT 48802 - Bearing Installer
* J 8092 - Drive Handle
* J 21426 - Outer Output Shaft Seal Installer
* J 36190 - Universal Driver Handle
* J 39437 - Bushing Installer
* J 39439-3 - Rear Case Bushing Installer
* J 39546 - Bearing Race Installer
For equivalent regional tools, refer to Special Tools (Special Tools and Equipment).




1. Using J 36190 - universal driver handle (1) and J 39439-3 - bushing installer (2), install the extension housing bearing.




2. Snap the oil funnel (4) into the NEW extension housing countershaft bearing (3).
3. Using J 36190 - universal driver handle (1) and DT 48802 - bearing installer (2), install the NEW extension housing countershaft bearing.




4. Install the mainshaft bearing race, using the J 39546 - race installer (1) and the J 8092 - drive handle (2).




5. Install the mainshaft bearing race retainer ring.




6. Install the output shaft inner and outer seals using the J 21426 - seal installer.




7. Apply sealer GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the transmission case drain plug.





Caution: Refer to Fastener Caution (Fastener Caution).

8. Install the transmission case drain plug and tighten to 18 Nm (13 Lb ft).