SsangYong Stavic / SsangYong Rodius (2005 year). Service manual — part 92
DI02-43
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
ENGINE HOUSING
DI ENG SM - 2004.9
1. No.1 compression ring
2. No.2 compression ring
3. Oil ring
PISTON AND CONNECTING ROD
Description
Cylinder bore diameter
Piston outer diameter (D1)
Clearance between bore and piston
Piston cooling gallery
Pin offset
Compression ratio
Length of piston pin
Material of top ring / coating
Tightening torque of connecting rod bolt
Permissible weight difference of connecting rod
Thickness of connecting rod bearing (Red)
Thickness of connecting rod bearing (Yellow)
Thickness of connecting rod bearing (Blue)
D27 DT ENG
φ 86.2
(0~0.018)
mm
φ 86.133
(±0.009)
mm
74
Applied
0.15 mm (Thrust)
18 : 1
71.2 mm
Steel / Gas nitride
40 ± 5.0 Nm, 90° + 10°
4 g
1.806 ~ 1.809 mm
1.809 ~ 1.812 mm
1.812 ~ 1.815 mm
DI02-44
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
ENGINE HOUSING
DI ENG SM - 2004.9
PISTON RING
1. No.1 compression ring
2. No.2 compression ring
3. Oil ring
5. Coil spring and oil control ring
6. Hook spring
Replacement of Piston Ring
• Measure piston ring end play.
- Piston ring end play (mm)
1st groove: 0.20 ~ 0.35
2nd groove: 0.20 ~ 0.35
3rd groove: 0.20 ~ 0.40
- Clearance between piston ring and piston (mm)
1st compression ring: 0.075 ~ 0.119
2nd compression ring: 0.050 ~ 0.090
3rd oil ring: 0.030 ~ 0.070
• Install the piston so that “Y” marking on piston head is
facing in the direction of travel. Arrange the piston ring
ends to be 120° apart.
• Adjust the hook spring joint in the oil ring 180 ° away from
the ring end.
DI02-45
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
ENGINE HOUSING
DI ENG SM - 2004.9
CYLINDER INNER DIAMETER AND PISTON SIZE
(Unit : mm)
Engine
D27DT
Code
A
X
B
+ 5
+ 10
Used piston
A or X
A, B or X
B or X
+ 5
+ 10
Cylinder Diameter
86.200 ~ 86.206
86.206 ~ 86.212
86.212 ~ 86.218
86.250 ~ 86.260
86.300 ~ 86.310
Piston Diameter
86.124 ~ 86.130
86.129 ~ 86.137
86.136 ~ 86.142
86.167 ~ 86.181
86.217 ~ 86.231
DI02-46
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
ENGINE HOUSING
DI ENG SM - 2004.9
DISASSEMBLY AND REASSEMBLY
1. Install the compression ring and oil ring on the piston
with a special tool.
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
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