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: Exploded View Of Clutch Release Mechanism Components
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
Keep the clutch disc facing, pressure plate and flywheel free of oil and grease.