Inspection After Removal

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Cylinder Head Bolts Diameter

Cylinder head bolts are tightened by plastic zone tightening method. Whenever the size difference between (d1) and (d2) exceeds the limit, replace the bolt with a new one.
Limit (d1 - d2): 0.23 mm (0.0091 in)
If reduction of diameter appears in a position other than (d2), use it as (d2) point.

Fig 1: Identifying Cylinder Head Bolts Diameter Measuring Points
Courtesy of NISSAN NORTH AMERICA, INC.