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Home >> Hummer >> 2007 >> H3 L5-3.7L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Radiator Cooling Fan >> Service and Repair
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Radiator Cooling Fan: Service and Repair



Fan Replacement

Tools Required

* J 41240 Fan Clutch Remover and Installer
* J 46406 Fan Clutch Remover and Installer

Removal Procedure

1. Remove the fan shroud.




2. Using J 41240 and J 46406 loosen the fan clutch.




3. Remove the fan hub nut in a counterclockwise rotation.
4. Remove the cooling fan (2) from the fan clutch.

Installation Procedure

1. Install the cooling fan to the fan clutch.





Caution: 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 J 46406 and the J 41240 to the fan clutch.

Notice: Refer to Fastener Notice.

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

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

4. Install the fan shroud.

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