Hummer H1 Service Manual page 369

5-170 Transmission/Transfer Case
TRANSFER CASE ASSEMBLY
1. Assemble input gear and low range planetary:
a. Lubricate gear, planetary, and thrust washers with
Dexron III.
b. Install rear thrust washer in planetary. Be sure washer
tabs are aligned in planetary notches as shown
(Figure 5-129)
NOTE: The thrust washers are the same size and are inter-
changeable. Either washer can be used at the front or rear.
c. Install input gear in planetary (Figure 5-130).
d. Install front thrust washer. Be sure washer tabs are
seated in planetary notches as shown (Figure 5-130).
e. Install lock ring (Figure 5-131) and lock ring retainer
(Figure 5-132).
2. Lubricate shift sector shaft and install sector in case
(Figure 5-133).
3. Install input gear/planetary assembly in front case
(Figure 5-134). Use wood hammer handle to tap input
gear shaft through bearing.
4. Install input gear snap ring (Figure 5-135).
5. Install front retainer as follows:
a. Install new seal in retainer with tool J–33831
(Figure 5-136).
b. Apply 3/16 in. (5 mm) bead of Loctite 518, Permatex
Ultra Black, or Ultra Copper to sealing surface of re-
tainer.
c. Align oil feed slot in retainer with feed hole in front
case and install retainer (Figure 5-137).
d. Install and tighten retainer bolts to 12-18 lb-ft (16-24
N•m).
Figure 5-130: Front Thrust Washer Installation
___________________________________________
Figure 5-132: Input Gear Snap Ring Installation
6. Assemble low range fork and hub. Replace pads on fork if
worn or damaged (Figure 5-138).
FRONT
THRUST
7. Install low range fork and hub. Be sure hub is seated in
WASHER
planetary and that fork pin is seated in shift sector lower
slot (Figure 5-139).
LOCK RING
Figure 5-131: Lock Ring Installation
®
INPUT GEAR
LOW RANGE
PLANETARY
LOCK
RING
RETAINER