The order of selection of pistons (Nissan Serena C24)

When a new cylinder block is used:

1) Check the cylinder bore class on top of the block (1, 2 or 3) and select pistons of the same class.

Note: Pistons are installed complete with piston pins.

When a cylinder block is reused:

• 1) Measure the inner diameters of the cylinders.
• 2) According to the table below, according to the measurements obtained, select pistons of the same class.

Piston selection table

Unit: mm

Crankshaft journal diameter

Using a micrometer, measure the diameter of the crankshaft main journal.

(Read more on the website: «Nissanbook.ru»)

• Standard diameter: 54.956 - 54.980 mm

Crankshaft journal diameter

Using a micrometer, measure the diameter of the crankshaft journal.

• Standard diameter: 47.956-47.974 mm

Ovality and taper of crankshaft journals

Using a micrometer, measure all main and rod journals at 4 different points shown in the illustration.



Ovality is determined by the difference in size between axes A and B at points 1 and 2.

The taper is determined by the difference in size between points 1 and 2 along axes A and B.

• Maximum ovality: 0.005 mm
• Limit taper: 0.005 mm