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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical (5.6L) (Except Hybrid) >> Unit Disassembly And Assembly >> How To Select Piston And Bearing >> Piston >> When New Cylinder Block Is Used

When New Cylinder Block Is Used

Check the cylinder bore grade ("1", "2" or "3") on rear side of cylinder block, and select piston of the same grade.

GNSJPBIA2284Z-284Courtesy of NISSAN NORTH AMERICA, INC.

A

: Bearing housing grade No. 1

B

: Bearing housing grade No. 2

C

: Bearing housing grade No. 3

D

: Bearing housing grade No. 4

E

: Bearing housing grade No. 5

F

: Cylinder bore grade No. 1

G

: Cylinder bore grade No. 2

H

: Cylinder bore grade No. 3

I

: Cylinder bore grade No. 4

J

: Cylinder bore grade No. 5

K

: Cylinder bore grade No. 6

L

: Cylinder bore grade No. 7

M

: Cylinder bore grade No. 8

SYMBOL

: Engine front
NOTE: Piston is available with piston pin as a set for the service part.
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