j. Front and Rear Housing Assembly

Important: When installing the input shaft bearing retainer oil seal, ensure the lip of the oil seal is installed toward the installing tool J 38801.

1. Using J 38801, install the oil seal into the main drive gear bearing retainer.





2. Using J 36190 and J 36798, install the input shaft bearing.
Press the bearing until the snap ring is seated.





3. Using J 36511 and J 36507, install the shift shaft front housing bushings.





4. Using J 36507, install the two detent plunger bushings.





5. Install the first bushing to the area where the second scribe mark on the tool is aligned with the housing.
6. Install the second bushing to the area where the first scribe mark on the tool is aligned with the housing.





7. Install the transmission vent.





8. Using J 36511 install the oil drain plug.
Apply teflon pipe sealant GM P/N 12346004 to the drain plug threads.
^ Tighten the drain plug to 60 Nm (44 ft. lbs.).





9. Using J 36506 and J 36190, install the rear housing shift shaft bearing.
9.1. The writing on the bearing lip should face down.
9.2. Install the bearing flush with the housing surface.





10. Install 2 dowel pins in the housing flange. Drive the dowel pins rearward and flush with the flange surface.





11. If 4WD vehicle, install the main shaft rear bearing in the rear housing.





12. If 4WD vehicle, install the main shaft bearing retainer and the bolts.
^ Tighten the main shaft bearing retainer bolts to 22 Nm (16 inch lbs.).





13. Using the J25070 heat the rear housing countershaft bearing bore for ten minutes.
14. Install the countershaft bearing race.