Hummer H1 Service Manual page 577

9-40 Axles, Suspension, and Frame
FRONT PROPELLER SHAFT AND
U-JOINT SERVICE
Front Shaft Removal
1. Remove U-joint clamp bolts and straps. Then disconnect
shaft yoke (Figure 9-104).
FRONT PROPELLER
SHAFT
Figure 9-104: Front Propeller Shaft
Attachment at Axle
2. Remove U-bolt nuts and disconnect front shaft from
transfer case output yoke (Figure 9-105).
TRANSFER CASE
SHIFT ROD
U-BOLT
Figure 9-105: Front Propeller Shaft Attachment at
Transfer Case
3. Disconnect transfer case shift rod at range lever.
FRONT
AXLE
YOKE
STRAP
TRANSFER CASE
OUTPUT YOKE
FRONT PROPELLER
SHAFT
_________________________________________
4. Remove bolts attaching center bearing to engine mount
(Figure 9-106).
ENGINE MOUNT
Figure 9-106: Center Bearing Attachment
5. Move front shaft forward, then rearward over top of
transfer case and remove from vehicle.
FRONT PROPELLER SHAFT DISASSEMBLY
AND OVERHAUL
1. Mark slip yokes for assembly alignment.
2. Mount shaft in vise and remove dust caps (Figure 9-107).
3. Pull slip yokes off propshaft and separate shaft halves.
4. Install standard bearing puller between center bearing and
shield.
5. Mount assembly in shop press and press center bearing off
shaft.
6. Remove shield from front propeller shaft.
U-JOINT
CENTER
BEARING
Figure 9-107: Front Propeller Shaft Assembly
CENTER BEARING
REAR SLIP YOKE
FRONT
AND U-JOINT
PROP
SHAFT
DUST
FRONT SLIP
CAP
YOKE AND
U-JOINT
®
DUST
CAP