SsangYong Korando III (2010 year). Manual — part 387

02-31

1130-33

Functions

▶

Piston transfers the combustion energy from engine to connecting rod.

C. Snap ring

Locks the piston pin.

-

A. Piston ring

#1 ring (Top ring) : Prevents the high pressurized combustion gas from leaking into crank chamber,

and prevents the engine oil getting into combustion chamber.

#2 ring: Scrapes the engine oil on the cylinder bore, and prevents the leaked combustion gas from #1

ring from leaking into the crank chamber.

Oil ring: Scrapes the engine oil on the cylinder bore.

-

-

-

B. Piston pin

Connects the piston the connecting rod, and transfers the linear movement of piston to connecting rod

to convert it to rotating energy.

-

Piston ring

▶

Piston ring end gap (mm)

#1 end gap: 0.170 ~ 0.320
#2 end gap: 0.300 ~ 0.450

Piston ring side clearance (mm)

#1 groove: 0.040 ~ 0.080
#2 groove: 0.040 ~ 0.080

02-32

Assembly mark

Top surface of piston

Top surface of cylinder block

Assembling the piston

▶

Install the piston rings with the "X" mark on the ring facing upwards.
Position the end gap of #1 ring at 180˚ away from the end gap of #2 ring.
Position the end gap of oil ring at 180˚ away from the end gap of coil spring, and position the
end gap of oil ring at 90˚ away from the end gap of #2 ring.

-

-

-

#1 cylinder

02-33

1130-25

Components

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.

Components

▶

Connecting rod

Piston pin bush

Connecting rod

Connecting rod upper bearing

Connecting rod lower bearing

Connecting rod cap

Connecting rod cap bolt

A.

B.

C.

D.

E.

F.

02-34

Selection of connecting rod bearing

▶

Select the bearing shell combination according to the table below:

Conrod_UPR

Grade

Conrod_LWR

Grade

Clearance

Red

Blue

0.005 ~ 0.050

Yellow

Yellow

0.005 ~ 0.050

Blue

Red

0.005 ~ 0.050