Clutch Rattle. GMC Truck TopKick C-Series (Conventional) C6/C7/C8 2006

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2006 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Transmission/Transaxle 🢒 Clutch 🢒 Clutch Rattle

Clutch Rattle C6500, C7500, C8500

Causes	Action
DEFINITION: A rattle noise coming from the clutch components with the clutch disengaged or engaged. Review the Symptoms - Clutch and perform the necessary inspections.
Linkage needs adjustment	Adjust the clutch linkage.
Linkage is worn	Repair or replace as necessary.
Linkage needs lubrication	Perform lubrication maintenance on the linkage.
Clutch brake rattle	Replace the clutch brake. Refer to Clutch Assembly Replacement .
Idle rattle clutch engaged	Replace the clutch disc, due to faulty damper springs. Refer to Clutch Assembly Replacement .
Clutch is improperly installed	Remove the clutch and reinstall it correctly. Refer to Clutch Assembly Replacement .
Clutch disc damper worn or damaged	Inspect the clutch disc for a broken or worn damper. Replace the clutch assembly. Refer to Clutch Assembly Replacement .
Clutch pressure plate cover assembly is faulty	Inspect the clutch pressure plate cover assembly for worn or damaged components. Replace the clutch assembly. Refer to Clutch Assembly Replacement .
Clutch disc splines and input shaft splines worn	Replace the clutch assembly. Refer to Clutch Assembly Replacement . Replace the input shaft. Refer to the transmission manufacturer service manual.

Clutch Rattle C4500, C5500

Causes	Action
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 clutch disc, due to faulty damper springs - 6.6L only. The 8.1L does not have damper springs. Refer to Clutch Assembly Replacement .
Clutch improperly installed	Remove the clutch and install it correctly. Refer to Clutch Assembly Replacement .
Clutch disc damper is worn or damaged	Inspect the clutch disc for a broken or worn damper. Replace the clutch assembly. Refer to Clutch Assembly Replacement .
Clutch disc splines and input shaft splines worn	Replace the clutch assembly. Refer to Clutch Assembly Replacement . Replace the input shaft. Refer to Transmission Disassemble in Manual Transmission - ZF S6-650.