Flywheel Deflection

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Measure the deflection of flywheel contact surface to clutch with dial indicator.
Measure the deflection at 210 mm (8.27 in) dia.
Standard : Less than 0.45 mm (0.0177 in)
If measured value is out of the standard, replace flywheel.

Fig 1: Measuring Deflection Of Flywheel Contact Surface To Clutch
Courtesy of NISSAN MOTOR CO., U.S.A.