Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSKIA2000SEPHIA LS SEDAN L4-1.8LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON, ENGINE
2000 Kia Sephia LS Sedan L4-1.8L
Piston, Engine
2000 Kia Sephia LS Sedan L4-1.8LSECTION Piston, Engine
Piston Diameter:
Standard 3.1872 - 3.1879 inch (80.954 - 80.9720 mm)
0.010 inch (0.25 mm):
Oversize 3.197 - 3.1977 inch (81.204 - 81.222 mm)
0.020 inch (0.50 mm):
Oversize 3.2069 - 3.2076 inch (81.454 - 81.472 mm)
Piston To Cylinder Wall Clearance:
Standard 0.0015 - 0.0021 inch (0.039 - 0.053 mm)
Maximum 0.006 inch (0.15 mm)
Piston Ring To Piston Ring Groove Clearance:
Top Ring:
Standard Clearance 0.002 - 0.003 inch (0.04 - 0.08 mm)
Maximum Clearance 0.006 inch (0.15 mm)
Second Ring:
Standard Clearance 0.001 - 0.003 inch (0.03 - 0.07 mm)
Maximum Clearance 0.006 inch (0.15 mm)
Piston Pin Hole Diameter 0.7872 - 0.7875 inch (19.994 - 20.002 mm)
Standard 3.1872 - 3.1879 inch (80.954 - 80.9720 mm)
0.010 inch (0.25 mm):
Oversize 3.197 - 3.1977 inch (81.204 - 81.222 mm)
0.020 inch (0.50 mm):
Oversize 3.2069 - 3.2076 inch (81.454 - 81.472 mm)
Piston To Cylinder Wall Clearance:
Standard 0.0015 - 0.0021 inch (0.039 - 0.053 mm)
Maximum 0.006 inch (0.15 mm)
Piston Ring To Piston Ring Groove Clearance:
Top Ring:
Standard Clearance 0.002 - 0.003 inch (0.04 - 0.08 mm)
Maximum Clearance 0.006 inch (0.15 mm)
Second Ring:
Standard Clearance 0.001 - 0.003 inch (0.03 - 0.07 mm)
Maximum Clearance 0.006 inch (0.15 mm)
Piston Pin Hole Diameter 0.7872 - 0.7875 inch (19.994 - 20.002 mm)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.