Main Bearing Housing Inner Diameter

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

Install lower cylinder block without installing main bearings, and tighten lower cylinder block bolts to the specified torque. Refer to Disassembly and Assembly for the tightening procedure.

Courtesy of NISSAN NORTH AMERICA, INC.

Measure the inner diameter of main bearing housing with bore gauge.

Standard

: 74.993 - 75.017 mm (2.9525 - 2.9534 in)

If out of the standard, replace cylinder block and lower cylinder block as assembly.
NOTE: Cylinder block cannot be replaced as a single part, because it is machined together with lower cylinder block.