Oil Pump Assembly

ASSEMBLE
1. Oil pump pickup to the pickup tube.
2. Pickup tube, oil pump pickup, and retainer to the oil pump housing.
3. The oil pump front cover with the word TOP facing the front of the front case.
4. Oil pump pins, flats facing rearward toward the output end of shaft, oil pump spring between the two pins and place the assembly into the oil pump bore in the mainshaft.
5. Oil pump housing to the mainshaft making sure the oil pump pins are riding against the inside of the pump housing.
- Lubricate the assembly with automatic transmission fluid.
6. Oil pump rear cover with the words TOP REAR facing the rear of the transfer case.
- Note that the word TOP on the front and rear covers should be on the same side.
7. Oil pump retainer with the tabs facing the front of the transfer case.
8. Oil pump retainer bolts and rotate the mainshaft while tightening the bolts to prevent the pump from binding.

Tighten
- Bolts to 6 N.m (55 lb. in.).

Inspect
- Oil pump operation on the mainshaft. The mainshaft must turn freely within the oil pump. If binding occurs, loosen the four bolts and tighten.