Hummer H1 Service Manual page 93

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2-56 Engine
Water Pump/Adapter Plate/Oil Fill Tube
Removal
1. Remove oil fill tube from adapter plate (Figure 2-83).
OIL FILL TUBE
ADAPTER PLATE
WATER PUMP
Figure 2-83: Oil Fill Tube Removal
2. Remove water pump and adapter plate from timing gear
cover (Figure 2-84). Note location of attaching studs and
bolts for installation reference.
WATER PUMP AND
ADAPTER PLATE ASSEMBLY
Figure 2-84: Water Pump and Adapter
Plate Removal
3. Remove water pump, attaching bolts, and separate pump
from adapter plate (Figure 2-85).
4. Remove and discard gasket.
GASKET
WATER PUMP
Figure 2-85: Water Pump, Adapter Plate,
and Gasket Disassembly
Fuel Injection Pump Removal
1. Remove electrical connections, fuel inlet and return lines
from pump.
2. Remove driven gear attaching bolts and remove gear from
fuel injection pump (Figure 2-86).
3. Remove injection pump attaching nuts and washers from
front cover studs.
4. Remove fuel injection pump and gasket from timing gear
cover. Discard gasket.
DRIVEN GEAR
FRONT COVER
GASKET
Figure 2-86: Fuel Injection Pump and Driven Gear
ADAPTER
PLATE
ELECTRONIC
INJECTION
STUD
PUMP
Removal
®
6-S02-187.1