SsangYong Actyon Sports II. Manual — part 19

02-42

2) Connecting Rod

(1) Overview

Connecting rod converts the reciprocating movement of piston to the rotating movement of crankshaft.

The big end is connected to connecting rod bearing and the crank pin journal, and the small end is

connected to the piston pin.

(2) Components

Piston pin bush

Connecting rod

Connecting lower bearing

Connecting rod cap

Connecting rod cap bolt

Connecting rod upper bearing

02-43

0000-00

No

Connecting

rod/ Bore

diameter in

big end

Upper bearing

Lower bearing

Journal

diameter of

crank pin

Oil

clearance of

bearing

Grade

Bearing

thickness

Grade

Bearing

thickness

1

54.600

R

1.804

B

1.812

50.935

0.017

1.808 1.815

0.063

2

Y

1.808

Y

1.809 0.016

54.614

1.812 1.812

50.960

0.062

3

B

1.812

R

1.806 0.015

1.816 1.809

0.061

Min. 0.015

Max.

0.063

(3) Selection of crankshaft pin journal bearing

The connecting rod bearing contains 3 sets of 3 grades in upper and lower sections.

Three sets in the table below have nearly same oil clearance (0.015~0.063 mm) of bearing.

Identification: Coloe mark on bearing side surface

-

-

-

Oil clearance of connecting rod bearing

02-44

3) Crankshaft

(1) Overview

Crankshaft is installed on the cylinder block.

(2) Arrangement

Crankshaft main bearing upper

Crankshaft main bearing upper

Upper thrust bearing

Crankshaft main bearing lower

Crankshaft main bearing lower

Lower thrust bearing

Crank pin journal

Main journal

02-45

0000-00

Selection of bearing according to pin punch &

color

Mark

Color

Thickness of main

bearing

* Blue

66.500~66.506

** Yellow

66.506~66.513

*** Red

66.513~66.519

(3) Selection of crankshaft main bearing

Mark

Color

Thickness of main

bearing (mm)

V

Violet

+0.030

+0.025

W

White

+0.025

+0.020

R

Red

+0.020

+0.015

Y

Yellow

+0.015

+0.010

B

Blue

+0.010

+0.005

2.25

2.25

2.25

2.25

2.25

Bottom of cylinder block

Selection of upper main bearing

Mating surface of crankshaft sprocket

Selection of lower main bearing