Connecting Rod Bushing Oil Clearance (Small End)

Connecting Rod Inside Diameter (Small End)

• Measure inside diameter of connecting rod bushing using suitable tool.

Standard: 22.000 - 22.006 mm (0.8661 - 0.8664 in) 

Fig 1: Measuring Inner Diameter Of Connecting Rod Bushing With Inside Micrometer (Small End)

Courtesy of NISSAN NORTH AMERICA, INC.

Piston Pin Diameter

• Measure diameter of piston pin using suitable tool.

Standard: 21.989 - 21.995 mm (0.8657 - 0.8659 in) 

Fig 2: Measuring Diameter Of Piston Pin Using Micrometer

Courtesy of NISSAN NORTH AMERICA, INC.

Connecting Rod Bushing Oil Clearance (Small End)

(Connecting rod small end oil clearance) = (Inside diameter of connecting rod small end) - (Piston pin diameter)

Standard: 0.005 - 0.017 mm (0.0002 - 0.0007 in) 

Fig 3: Identifying Big And Small End Diameter Grade

Courtesy of NISSAN NORTH AMERICA, INC.

• If measured value exceeds the standard, replace the connecting rod assembly and/or piston and piston pin assembly.
• If replacing the piston and piston pin assembly, use the Table for Selective Fitting for Piston to select the piston corresponding to the applicable bore grade of the cylinder block to be used. Refer to "HOW TO SELECT PISTON AND BEARING ".

Factory installed parts grading: 

• Only grade 0 is available.

Fig 4: Identifying Piston Grade, Front Mark And Piston Pin Hole Grade Color

Courtesy of NISSAN NORTH AMERICA, INC.