F 550 4WD Super Duty V8-6.4L DSL Turbo (2008)
Clutch Disc: Testing and Inspection
Clutch Disc Check
1. Using a suitable slide caliper, measure the depth to the rivet heads.
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Install a new clutch disc if the measurement is less than the specification.
2. Using a suitable dial indicator, measure the clutch disc runout.
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Install a new clutch disc if the measurement is greater than the specification.