DEFINITION: A rattle noise coming from the clutch components with the clutch disengaged or engaged.

Review the Symptoms - Clutch and perform the necessary inspections.

Idle rattle clutch engaged

Replace the engine flywheel, due to faulty damper springs. Refer to Engine Flywheel Replacement in Engine Mechanical - 6.0L.

Clutch is improperly installed

Replace the clutch assembly. Refer to Clutch Assembly Replacement .

Clutch disc splines and input shaft splines worn

1. Inspect the clutch disc hub to input shaft splines for excessive clearance.
2. Replace the clutch assembly if the clutch splines are worn. Refer to Clutch Assembly Replacement .
3. Replace the input shaft. Refer to Transmission Disassemble in Manual Transmission - Tremec 6-Speed Unit Repair.