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GMC Workshop Service and Repair Manuals

Piston, Engine > < Harmonic Balancer - Crankshaft Pulley|Specifications|Page 2761
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7. Remove the J 42386-A   (1) and bolts.
8. Install the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement (Non-HP2)   (See: Cooling System/Radiator Cooling

Fan/Service and Repair/Cooling Fan and Shroud Replacement)Cooling Fan and Shroud Replacement (HP2)   (See: Cooling System/Radiator
Cooling Fan/Service and Repair/Cooling Fan and Shroud Replacement).

9. Install the drive belt. Refer to Drive Belt Replacement   (See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair).

10. Perform the crankshaft position (CKP) system variation learn procedure. Refer to Crankshaft Position System Variation Learn   (See: Powertrain

Management/Computers and Control Systems/Crankshaft Position Sensor/Testing and Inspection).

Piston, Engine > < Harmonic Balancer - Crankshaft Pulley|Specifications|Page 2761