Hummer H1 Service Manual page 56

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DIESEL ENGINE IN-VEHICLE SERVICE
General Information
The repair procedures described in this section cover engine
service that can be performed in the vehicle. Engine removal is
not required.
Left/Right Orientation
Left/right orientation throughout this section is from the driver
seat. A left side location refers to the driver side of the vehicle
and a right side location to the passenger side.
ENGINE MOUNTING BRACKET/INSULATOR
Removal
1. Remove fan and clutch as assembly.
2. Remove nuts/bolts attaching front propeller shaft center
bearing to bracket.
3. Mark front propeller shaft U-joint and yoke position with
paint or chalk. Then remove front propeller shaft and
center bearing as assembly.
4. Remove bolts attaching starter cable bracket to engine.
Move bracket aside for working clearance.
5. Remove bolts/nuts attaching transmission and mount to
transmission crossmember (Figure 2-11).
TRANSMISSION
TRANSMISSION
MOUNT
TRANSMISSION
CROSSMEMBER
Figure 2-11: Transmission-To-Crossmember
Mounting
6. Disconnect transmission and transfer case shift rods at
shift lever arms.
7. Disconnect exhaust pipes, brackets, or hangers as needed.
8. Support engine with floor jack and wood block, or safety
stand if vehicle is on hoist. Position block or stand under
pan rail at rear main.
9. Remove nuts/bolts attaching insulators, or brackets to
engine and frame.
05745159
10. Remove nut securing engine bracket to stud on starter
motor (Figure 2-12).
11. Raise engine enough to remove insulator, or bracket
(Figure 2-12).
STARTER
BRACKET
STARTER
FRAME BRACKET
Figure 2-12: Engine Mounting Bracket and Insulator
(Driver Side)
Engine 2-19
INSULATOR
STUD
ENGINE
AND
BRACKET
NUT