SsangYong Rexton. Manual — part 39
DI02-47
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
ENGINE HOUSING
DI ENG SM - 2004.4
1. Install the compression ring and oil ring on the piston
with a special tool.
Piston - Reassembly
2. Check the clearance of piston oil ring and compression
ring with a thickness gauge and adjust if necessary.
3. Check the clearance of piston rings with a thickness
gauge and adjust if necessary.
Notice
• Install the No.1 and No.2 pistons so that “Y” marking
on piston head is facing upward.
• No.1 piston ring is thicker than No.2 piston ring.
• Arrange the oil ring end to opposite position of
current ring end.
• Oil ring is not directional.
• Make sure that the piston ring end is not aligned to
axial direction and lateral direction.
1st groove
2nd groove
3rd groove
0.20 ~ 0.35 mm
0.20 ~ 0.35 mm
0.20 ~ 0.40 mm
No.1 compression ring
2nd compression ring
3rd oil ring
0.075 ~ 0.119 mm
0.050 ~ 0.090 mm
0.040 ~ 0.080 mm
Arrange the piston ring ends to be 120° apart.
* Piston ring end play (mm)
1st groove: 11.0 mm
2nd groove: 10.5 mm
3rd groove: 7.0 mm
Y220_02118
Y220_02119
Y220_02120
Y220_02121
DI02-48
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
ENGINE HOUSING
DI ENG SM - 2004.4
Notice
The snap rings should be replaced with new one.
5. Lubricate piston pin and push in by hand.
4. Fit the piston onto connecting rod so that the marking
on piston crown and locking slot are facing to straight
ahead direction.
Notice
Install the piston so that the piston recess (marking)
or the stamped surface of connecting rod is facing to
straight ahead direction.
Notice
Do not heat up the piston.
6. Place new snap rings into the grooves.
7. Lubricate the cylinder bore, connecting rod bearing
journals, connecting rod bearing shells and pistons.
8. Push piston into the cylinder with a wooden stick.
Notice
The marking on the piston crown must be facing to
straight ahead direction.
9. Insert connecting rod bearing shells.
Notice
•
The upper and lower connecting rod bearings have
same appearance. Therefore, make sure to check
the part number before replacing them.
•
Install bearing rod bearing cap so that so that the
retaining lugs are on the same side of the
connecting rod bearing.
Y220_02122
Y220_02123
Y220_02124
Y220_02125
DI02-49
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
ENGINE HOUSING
DI ENG SM - 2004.4
10. Measure stretch shaft diameter of the connecting rod
bolts.
Limit “C”
7.1 mm
0.5 ~ 1.5 mm
Specified value
Y220_02126
Y220_02127
Y220_02128
40 ± 5.0 Nm,
90° + 10°
Tightening torque
12. Position piston to TDC and measure the distance between
piston and parting surface of crankcase.
• Measure at both ends of axial direction.
11. Lubricate the new connecting rod bolts and tighten.
• End play of connecting rod cap
Permissible piston
protrusion
0.765 ~ 1.055 mm
DI02-50
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
ENGINE HOUSING
DI ENG SM - 2004.4
Y220_02132
Y220_02131
Y220_02130
Y220_02129
Special Tools and Equipment
Name and Part Number
Application
Piston protrusion measuring jig
Piston insertion jig
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