Main Bearing Housing Inner Diameter

Install main bearing cap (2) without installing main bearings, and tighten main bearing cap 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 a bore gauge.

Standard

: Refer to Cylinder Block .

If out of the standard, replace cylinder block (1) and main bearing cap as assembly.
NOTE: Cylinder block cannot be replaced as a single part, because it is machined together with main bearing cap.