Cylinder Head Removal; Crankshaft Pulley Hub R Em Oval - GMC 1989 Light Duty Truck Repair Manual

6A1-10 LITER L4 ENGINE
2 .5
31. Bolt
32. Rocker Arm Ball
33. Rocker Arm
45. Push Rod Guide
47. Push Rod
Figure 11— Valve Train Components
60. Stud
121. Hydraulic Roller Lifter
122. Valve Lifter Guide
123. Lifter Guide Retainer
Figure 12— H ydraulic Lifters and C om ponents
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17. Head Gasket
24. Cylinder Head
25. Head Bolt (Stud)
27. Head Bolt
Figure 13— Cylinder Head Components

CYLINDER HEAD REMOVAL

R em ove or D isconnect (Figure 13)
1. Bolts (25 and 27).
2. Cylinder head (24). Use care when handling the
cylinder head to prevent damage to the gasket
surfaces.
3. Gasket (17).
CRANKSHAFT PULLEY HUB
REMOVAL
R em ove or D isconnect (Figure 5 and 14)
1. Bolt (98) and washer (99).
2. Pulleys (96 and 97) and hub (100).
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