Hummer H1 Service Manual page 92

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Cylinder Head Removal
1. Remove cylinder head bolts (Figure 2-81).
2. Remove cylinder head from block.
3. Remove cylinder head gasket. Discard gasket afterward.
4. Repeat procedure for opposite cylinder head.
HEAD BOLTS
(17 PER HEAD)
GASKET
Figure 2-81: Cylinder Head and Gasket Removal
Valve Lifter Removal
1. Remove lifter clamp plates from cylinder block
(Figure 2-82).
2. Remove lifter guide plates from block.
NOTE: Mark or tag lifters for installation reference. Keep
them in order of removal.
3. Remove lifters from block with tool J–29834 (Figure 2-82).
05745159
CYLINDER HEAD
ENGINE BLOCK
LIFTER REMOVER J–29834
VALVE LIFTER
Figure 2-82: Valve Lifters
Engine 2-55
CLAMP PLATE
GUIDE PLATES