Hummer H1 Service Manual page 96

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CLAMP
Figure 2-94: Oil Pump Drive Removal
Camshaft Removal
1. Remove thrust plate and spacer (Figure 2-95).
CAUTION: Support camshaft during removal to avoid damag-
ing bearings.
2. Remove camshaft from cylinder block.
NUTS
ROD CAP
05745159
OIL PUMP DRIVE
GASKET
CRANKSHAFT
BEARING
ROD CAP
Figure 2-96: Piston and Connecting Rod Removal
CYLINDER BLOCK
THRUST PLATE
CAMSHAFT
SPACER
Figure 2-95: Camshaft Removal
Piston and Connecting Rod Removal
1. Remove ridge at top of each cylinder bore with ridge
reamer J–24270. Remove shavings - chips afterward.
2. Paint mark pistons for assembly reference.
3. Mark connecting rod caps with punch, if caps do not have
factory marks.
4. Remove each piston - connecting rod assembly as follows
(Figure 2-96):
a. Remove number one piston connecting rod cap nuts.
b. Remove rod cap and bearing half. Retain bearing for
select fit reference.
c. Slide lengths of appropriate size rubber hose over
ROD BOLT
BEARING
Engine 2-59
CONNECTING ROD
PISTON