Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The clutch grabs or chatters during engagement. | ||||
1 | Inspect the engine mounting fasteners. Are the engine mounting fasteners loose or tightened out of sequence? | -- | ||
2 | Tighten the engine mounting fasteners to the specified torque. Refer to Fastener Tightening Specifications in Engine Mechanical. Does the clutch still grab? | -- | System OK | |
3 | Check the pressure plate or the flywheel for burned or smeared resin. Is there burned or smeared resin on the pressure plate or the flywheel? | -- | ||
4 | If the burns or smears are superficial, clean or sand off the excess resin. If the pressure plate or flywheel assembly is burned or has heat checked parts, then replace the pressure plate or the flywheel assembly. Refer to Clutch Pressure and Driven Plate Replacement or refer to Engine Flywheel Replacement in engine mechanical Does the clutch still grab? | -- | System OK | |
5 | Check for a warped pressure plate or flywheel assembly. Is the pressure plate or flywheel assembly warped? | -- | ||
6 | Replace the pressure plate or the flywheel assembly. Ensure that runout does not exceed the amount given in the value column. Refer to Clutch Pressure and Driven Plate Replacement or refer to Engine Flywheel Replacement in engine mechanical Does the clutch still grab? | 1.25 mm (0.05 in) | System OK | |
7 | Check for oil on the clutch disc assembly facing or a burned or glazed facing. Is there oil on the clutch disc assembly facing or a burned or glazed facing? | -- | ||
8 |
Does the clutch still grab? | -- | System OK | |
9 | Check for worn splines on the transmission main drive gear or on the disc hub. Are there worn splines on the transmission main drive gear or on the disc hub? | -- | ||
10 |
Important: The main drive gear must be replaced via the ZF6-speed manual transmission exchange program. Replace the transmission main drive gear or disc. Does the clutch still grab? | -- | System OK | |
11 | Inspect the release bearing at the transmission main drive gear. Is the release bearing binding on the retaining tube on the transmission main drive gear? | -- | ||
12 | Replace the necessary components. Refer to Release Bearing Replacement . Does the clutch still grab? | -- | System OK | |
13 | Inspect the clutch pilot bearing. Is the pilot bearing faulty? | -- | -- | |
14 | Replace the pilot bearing . Refer to Clutch Pilot Bearing Replacement . Does the clutch still grab? | -- | -- | System OK |
