Crankshaft RUNOUT

Place a V-block on a precise flat table to support the journals on the both end of the crankshaft.
Place a dial indicator (A) straight up on the No. 3 journal.
While rotating crankshaft, read the movement of the pointer on the dial indicator. (Total indicator reading)
Standard : 0.05 mm (0.0020 in)

Limit : 0.10 mm (0.0040 in)
If it exceeds the limit, replace crankshaft.

Fig 1: Placing Dial Indicator Straight Up On No. 3 Journal
Courtesy of NISSAN MOTOR CO., U.S.A.