Sentra L4-2.5L (QR25DE) (2003)
Harmonic Balancer - Crankshaft Pulley: Service and Repair
Balancer Unit Mounting Bolt Outer Diameter
Measure outer diameters (d1, d2) at the two positions shown in the figure.
Measure d2 within the range A.
If the value difference (d1 - d2) exceeds the limit (a dimension difference is large), replace it with a new one.
Limit:.......................0.15 mm (0.0059 inch) or more