Hummer H1 Service Manual page 375

5-176 Transmission/Transfer Case
MODE FORK
ASSEMBLY
MODE FORK PIN
Figure 5-152: Mainshaft, Differential, and Mode Fork
Installation
SHIFT
RAIL
Figure 5-153: Shift Rail Installation
4-1-00
___________________________________________
MAINSHAFT AND
DIFFERENTIAL
ASSEMBLY
SECTOR
UPPER SLOT
MODE
FORK
24. Assemble driven sprocket and front output shaft. Use new
snap ring if old one is worn or distorted (Figure 5-155).
25. Install front output shaft and driven sprocket. Then install
drive chain (Figure 5-156).
26. Install drive sprocket. Slide sprocket down onto
mainshaft. Engage sprocket in chain and work it onto
mainshaft splines (Figure 5-156).
27. Secure drive sprocket to mainshaft with new snap ring. Be
sure snap ring is fully seated before proceeding
(Figure 5-157).
SHIFT SECTOR SHAFT
LOCKNUT
WASHER
RANGE LEVER
Figure 5-154: Range Cover and Shift Detent
Installation
28. Install new seal in oil pump with tool J–33835
(Figure 5-158).
29. Install new O-ring in oil pump inlet port. Then assemble
pump, pickup tube, connector hose and pickup screen
(Figure 5-159).
PLUG
DETENT
SPRING
PLUNGER
®