Clutch Cover

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Checking Parts Contacting Release Bearing

Courtesy of NISSAN MOTOR CO., U.S.A.

Check parts (wedge collar and wiring) contacting the release bearing. If any worn or damaged parts are found, replace the clutch cover as an assembly.
Check release lever plate for looseness. If necessary, replace clutch cover as an assembly.
Check thrust ring of the clutch cover for wear or bending. If necessary, replace clutch cover as an assembly.
If seizure mark or discoloration is found with the mating surfaces between pressure plate and clutch disc of clutch cover, repair them with sand-paper. If surfaces are distorted or damaged, replace clutch cover as an assembly.