K 3500 Truck 4WD V8-393 6.5L DSL Turbo VIN S (1995)
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Fan Clutch: Testing and Inspection
Fan Looseness
Lateral movement can be observed at the fan blade tip under various temperature conditions because of the type bearing used. This movement should
not exceed 1/4 inch (6.5 mm) as measured at the fan tip. If this lateral movement does not exceed specifications, there is no cause for replacement.