SsangYong Korando III (2010 year). Service manual — part 387
02-31
1130-33
Functions
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Piston transfers the combustion energy from engine to connecting rod.
C. Snap ring
Locks the piston pin.
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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.
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-
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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.
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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.
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#1 cylinder
02-33
1130-25
Components
Overview
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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
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