Crankshaft RUNOUT

Place a V-block on a precise flat table to support the journals on both ends of the crankshaft.
Place a dial gauge straight up on the No. 3 journal.
While rotating the crankshaft, read the movement of the pointer on the dial gauge, the total indicator reading.
Limit: Less than 0.05 mm (0.002 in)

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