Camshaft Sprocket (EXH) Runout

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.

Put V-block on precise flat table, and support No. 2 and 5 journals of camshaft (EXH).
CAUTION: Never support No. 1 journal (on the side of camshaft sprocket) because it has a different diameter from the other four locations.
Measure the camshaft sprocket (EXH) runout with a dial indicator. (Total indicator reading)
Limit: Refer to "CAMSHAFT ".
If it exceeds the limit, replace camshaft sprocket (EXH).

Fig 1: Measuring Camshaft Sprocket (EXH) Runout Using Dial Indicator
Courtesy of NISSAN NORTH AMERICA, INC.