Main Bearing Crush Height

When lower cylinder block is removed after being tightened to the specified torque with main bearings (1) installed, the tip end of bearing must protrude. Refer to "DISASSEMBLY AND ASSEMBLY " for the tightening procedure.
A: Crush height

Standard: There must be crush height.

Fig 1: Identifying Main Bearing And Crush Height
Courtesy of NISSAN NORTH AMERICA, INC.
If the standard is not met, replace main bearings.