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Home >> Hummer >> 2010 >> H3 V8-5.3L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Radiator Cooling Fan >> Service and Repair >> Fan Replacement
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Fan Replacement




Fan Replacement (LH9)

Special Tools
* EN-48543 Fan Clutch Holding Tool
* J 41240 Fan Clutch Remover and Installer

Removal Procedure

1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (Service and Repair).
2. Remove the fan shroud. Refer to Engine Coolant Fan Shroud Replacement (LLR) (Service and Repair)Engine Coolant Fan Shroud Replacement (LH9) (Service and Repair).




3. Using J 41240 and EN-48543 loosen the fan clutch.





Note: If additional clearance is needed between tools substitute 10/32 thread 1/2 inch set screws on EN-48543 for the socket head cap screws as supplied, use thread lock if needed.

4. Remove the fan hub nut in a counterclockwise rotation (viewing fan from front of vehicle).
5. Remove the cooling fan (1) from the fan clutch. Refer to Fan Clutch Replacement (Service and Repair).

Installation Procedure

1. Install the cooling fan to the fan clutch. Refer to Fan Clutch Replacement (Service and Repair).





Warning

Do not use or attempt to repair a damaged cooling fan assembly. Replace damaged fans with new assemblies. An unbalanced cooling fan could fly apart causing personal injury and property damage.

2. Install the EN-48543 and the J 41240 to the fan clutch.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the fan hub nut to the pulley and hand tighten in a clockwise rotation.

Tighten the fan clutch nut clockwise to 56 Nm (41 lb ft).

4. Install the fan shroud. Refer to Engine Coolant Fan Shroud Replacement (LLR) (Service and Repair)Engine Coolant Fan Shroud Replacement (LH9) (Service and Repair).
5. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (Service and Repair).

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