Vent Line Replacement - Hummer H1 Service Manual

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TRANSFER CASE SHIFT ROD SERVICE
Removal
1. Unfasten snaps and pull velcro strips apart to open shifter
boot cover.
2. Remove cotter pins and washers securing shift rod to shift
arm and range lever (Figure 5-70).
3. Remove shift rod and trunnion as assembly.
4. Remove trunnion from shift rod if necessary.
Installation
1. Install trunnion on shift rod.
2. Connect shift rod and trunnion to shift arm and range
lever.
3. Secure shift rod with washers and or cotter pins.
4. Adjust shift rod. Refer to Shift Rod Adjustment procedure.
5. Push velcro strips together and fasten snaps to close shifter
boot cover.
ADJUSTING
TRUNNION
WAVY
WASHER
FLAT
WASHER
TRANSFER CASE
RANGE LEVER
Figure 5-70: Transfer Case Shift Rod Attachment
05745159
SHIFTER BOOT
COVER (SHOWN OPEN)
CONTROL
HOUSING
SHIFT
COTTER
PIN
WAVY
WASHER
FLAT
WASHER
TRANSFER CASE
SHIFT ROD
Transmission/Transfer Case
Adjustment
1. Apply parking brakes and shift transmission into neutral.
2. Shift transfer case into high lock (HL) position.
3. Disconnect shift rod and trunnion at control housing shift
arm (Figure 5-70).
4. Verify that transfer case range lever is in high lock
position. This is last detent toward rear (Figure 5-71).
Move lever fully into detent if necessary.
5. Adjust shift rod trunnion so it is slip fit in control housing
shift arm. Install washer and cotter pin in trunnion.
6. Check shift rod adjustment. Be sure transfer case is firmly
engaged in each detent (range) position. Also be sure shift
lever aligns with range positions on shift lever bezel.
Figure 5-71: Range lever Positions

VENT LINE REPLACEMENT

1. Loosen clamp and remove vent line from fitting on rear of
transfer case (Figure 5-72).
2. Remove bolt, clamp, and vent line.
3. If installing a new vent line, transfer clamp to new vent
line.
4. Connect vent line to tee fitting.
5. Connect vent line transfer case fitting and tighten clamp.
6. Attach clamp and vent line to transmission. Tighten clamp
bolt to 16-20 lb-ft (22-27 N•m).
VENT LINE
FITTING
TRANSFER CASE
Figure 5-72: Transfer Case Vent Line Routing
5-153
TRANSMISSION
TEE FITTING