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Fan Clutch Diagnosis: Looseness

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Under various temperature conditions, a lateral movement is visible at the tip of the fan blade. About 6.5 mm (1/4 in) maximum lateral movement, measured at the fan tip, is allowable. Replacement of the fan clutch is not necessary.

Ensure that the fan blade is installed properly. If the fan is installed incorrectly, the fan will cause an overheating problem.

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