Flywheel Deflection

WARNING: This page is about a different car, the 2012 Infiniti M35h. 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 a dial indicator (A).
Measure the deflection at 240 mm (9.45 in) dia.
Standard: 0.45 mm (0.0177 in) or less

Fig 1: Measuring Flywheel Deflection Using Dial Gauge
Courtesy of NISSAN NORTH AMERICA, INC.
If measured valve is out of the standard, replace flywheel