Crankshaft RUNOUT

Place V-block on precise flat table, and support the journals on the both end of crankshaft.
Place a dial indicator straight up on the No. 3 journal.
While rotating crankshaft, read the movement of the pointer on a dial indicator. (Total indicator reading)
Standard and limit: Refer to "CYLINDER BLOCK ".
If it exceeds the limit, replace crankshaft.

Fig 1: Checking Crankshaft Runout Using Dial Indicator
Courtesy of NISSAN NORTH AMERICA, INC.