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Home >> Kia >> 2007 >> Rondo V6-2.7L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> System Specifications
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System Specifications

Cylinder Block
Cylinder bore
Specifications 86.7 - 86.73 mm (3.4134 - 3.4146 in.)
Flatness of gasket surface
Specifications Less than 0.03 mm (0.0012 in.) [Less than 0.02 mm (0.0008 in.) / 150x150]

Crankshaft
Main journal outer diameter
Specifications 61.982 - 62.000 mm (2.4402 - 2.4409 in.)
Pin journal outer diameter
Specifications 47.982 - 48.000 mm (1.8891 - 1.8898 in.)
Main bearing oil clearance
Specifications 0.004 - 0.022 mm (0.0002 - 0.0009 in.)
End play
Specifications 0.07 - 0.25 mm (0.0028 - 0.0098 in.)
Limit 0.30 mm (0.0118 in.)

Main Bearing Caps
Install and uniformly tighten the bearing cap bolts, in two steps, in the sequence shown.





Tightening torque
M8 15.7 ± 2.9 Nm (1.6 ± 0.3 kgf.m, 11.6 ± 2.2 lb-ft) + 90° + 5°
M10 29.4 ± 2.9 Nm (3.0 ± 0.3 kgf.m, 21.7 ± 2.2 lb-ft) + 90° + 5°

Connecting rod
Connecting rod big end inner diameter
Specifications 51.000 - 51.018 mm (2.0079 - 2.0086 in.)
Limit 3 Grade
Connecting rod bearing oil clearance
Specifications 0.018 - 0.036 mm (0.0007 - 0.0014 in.)
Side clearance
Specifications 0.1 - 0.25 mm (0.0039 - 0.0098 in.)
Limit 0.4 mm (0.0157 in.)

Connecting rod bearing cap bolt 19.6 Nm (2.0 kgf.m, 14.5 lb-ft) - 90°

Piston
Piston outer diameter
Specifications 86.67 - 86.70 mm (3.4122 - 3.4134 in.)
Piston to cylinder clearance
Specifications 0.02 - 0.04 mm (0.0008 - 0.0020 in.)
Ring groove width
No. 1 ring groove
Specifications 1.23 - 1.25 mm (0.0484 - 0.0492 in.)
No. 2 ring groove
Specifications 1.22 - 1.24 mm (0.0480 - 0.0488 in.)
Oil ring groove
Specifications 2.01 - 2.03 mm (0.0791 - 0.0799 in.)
Piston O.S.
Specifications 0.25 mm (0.0098 in.)
Specifications 0.50 mm (0.0197 in.)

Piston ring
Side clearance
No. 1 ring
Specifications 0.04 - 0.08 mm (0.0016 - 0.0031 in.)
Limit 0.1 mm (0.0039 in.)
No. 2 ring
Specifications 0.03 - 0.07 mm (0.0012 - 0.0027 in.)
Limit 0.1 mm (0.0039 in.)
Oil ring
Specifications 0.06 - 0.15 mm (0.0024 - 0.0059 in.)
Limit 0.2 mm (0.0079 in.)
End gap
No. 1 ring
Specifications 0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Limit 0.6 mm (0.0236 in.)
No. 2 ring
Specifications 0.30 - 0.45 mm (0.0118 - 0.0177 in.)
Limit 0.7 mm (0.0275 in.)
Oil ring
Specifications 0.20 - 0.70 mm (0.0078 - 0.0275 in.)
Limit 0.8 mm (0.0315 in.)
Piston ring O.S.
Specifications 0.25 mm (0.0098 in.)
Specifications 0.50 mm (0.0197 in.)

Crankshaft pulley bolt 166.7 - 176.5 Nm (17.0 - 18.0 kgf.m, 123.0 - 130.2 lb-ft)