Connecting Rod Bushing Oil Clearance

Connecting Rod Bushing Inner Diameter

Measure the inner diameter of connecting rod bushing with an inside micrometer (A).

Standard: Refer to  "CYLINDER BLOCK ".

Fig 1: Measuring Inner Diameter Of Connecting Rod Bushing Using Inside Micrometer

Courtesy of NISSAN NORTH AMERICA, INC.

Piston Pin Outer Diameter

Measure the outer diameter of piston pin with a micrometer (A).

Standard: Refer to  "CYLINDER BLOCK ".

Fig 2: Measuring Outer Diameter Of Piston Pin Using Micrometer

Courtesy of NISSAN NORTH AMERICA, INC.

Connecting Rod Bushing Oil Clearance

(Connecting rod bushing oil clearance) = (Connecting rod bushing inner diameter) - (Piston pin outer diameter)

Standard and limit: Refer to  "CYLINDER BLOCK ".

• If the calculated value exceeds the limit, replace connecting rod assembly and/or piston and piston pin assembly.
• If replacing piston and piston pin assembly, refer to "DESCRIPTION ".
• If replacing connecting rod assembly, refer to "CONNECTING ROD BEARING " to select the connecting rod bearing.
  Fig 3: Identifying Bearing Stopper Groove, Grades And Codes

  Courtesy of NISSAN NORTH AMERICA, INC.

Factory installed parts grading: 

• Service parts apply only to grade "0".
  Fig 4: Identifying Piston And Pin Grade Number, Front Mark

  Courtesy of NISSAN NORTH AMERICA, INC.