K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997)
Fan Clutch: Testing and Inspection
Silicone Fluid Leaks
WARNING: To help avoid personal injury or damage to the vehicle, a bent, cracked, or damaged fan blade should always be replaced.
The fan blade clutch operation is not affected by small fluid leaks which may occur in the area around the bearing assembly. If leakage appears
excessive, replace the fan blade clutch.