Shift Linkage Adjustment; Rear Mount Replacement - Hummer H1 Service Manual

5-148 Transmission/Transfer Case

SHIFT LINKAGE ADJUSTMENT

1. Move shift lever to manual low (1) range.
2. Disconnect transmission shift rod from arm in shift control
housing.
3. Verify that transmission shift lever (Figure 5-63) is in
manual low (1) range. If not, disconnect lever trunnion
and adjust trunnion in, or out as needed. Then reconnect
lever rod to shift lever.
4. Connect shift rod to shift control arm and check indicator
alignment at shift lever. If indicator is not quite aligned,
turn shift rod trunnion in or out to align.
5. Verify that shift rod and lever trunnions are correctly
secured to arm and lever. Replace clevis pins if necessary.
6. Check shift operation. Verify that transmission shifts
correctly and that indicator is properly aligned.
TRANSMISSION
SHIFT LEVER
TRUNNION
TRUNNION
Figure 5-63: Transmission Shift Linkage

REAR MOUNT REPLACEMENT

1. Support transmission with floor jack and wood blocks.
2. Remove rear mount bolts/nuts and raise transmission
slightly.
3. Remove rear mount from crossmember (Figure 5-64).
4. Install mount on crossmember. Tighten attaching nuts to
65 lb-ft (88 N•m) torque.
5. Lower transmission and install mount-to-adapter bolts.
6. Tighten adapter bolts to 28 lb-ft (38 N•m) torque.
SHIFT ROD
___________________________________________
CROSSMEMBER
Figure 5-64: Rear Mount Replacement
TRANSMISSION INPUT SPEED SENSOR
REPLACEMENT
The input speed sensor is the forward sensor in the driver side
of the transmission. The rearward sensor is not used in this ap-
plication.
1. Turn ignition switch to OFF position.
2. Disconnect sensor wires.
3. Remove bolt attaching sensor to case.
4. Remove sensor with pull and twist motion.
5. Remove O-ring seal from sensor (Figure 5-65).
6. Lubricate new O-ring seal with ATF and install it on
sensor.
7. Install sensor with push and turn motion.
8. Install and tighten sensor bolt to 97 lb-in. (11 N•m) torque.
9. Connect wires to sensor.
BOLT
O-RING
INPUT SPEED
SENSOR
Figure 5-65: Speed Sensor Removal/Installation
REAR
MOUNT
REAR
®