Hummer H3. Manual — part 1685

Fig. 108: Identifying Shift Cam And Shaft Assembly
Courtesy of GENERAL MOTORS CORP.

20. Install the shift cam and shaft assembly.

NOTE:

In order to prevent component damage, properly remove and
install the shift cam and shaft assembly. When removing or
installing the shift cam and shaft assembly, keep the shaft
straight and do not tilt. Tilting the shift cam and shaft assembly
in the transfer case housing will break the tip on the end of the
shaft.

2007 Hummer H3

2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3

1. Install the shift cam and shaft assembly straight, with the tip into the hole in the case.

2. Rotate the high/low range shift fork to position the shift fork roller in the shift cam

slot.

Fig. 109: Identifying Shift Fork Shaft
Courtesy of GENERAL MOTORS CORP.

21. Install the shift fork shaft.

2007 Hummer H3

2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3

Fig. 110: Oil Pump, Hose & Oil Pump Screen
Courtesy of GENERAL MOTORS CORP.

22. Connect the oil pump hose to the oil pump screen.

23. Connect the oil pump hose to the oil pump.

2007 Hummer H3

2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3

Fig. 111: Identifying Oil Pump Assembly With Hose & Screen
Courtesy of GENERAL MOTORS CORP.

24. Install the oil pump assembly with the hose and screen.

1. Align the square boss of the oil pump gear with the flat area on the mainshaft.

2. Install the oil pump in the slot of the front case half. Ensure the wear clip is on the oil

pump.

3. Install the oil pump screen in the front case half.

2007 Hummer H3

2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3