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 MANUALSHONDA2005ACCORD L4-2.4LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON, ENGINE
2005 Honda Accord L4-2.4L
Piston, Engine
2005 Honda Accord L4-2.4LSECTION Piston, Engine
Piston
Skirt O.D. at 13 mm (0.5 inch) from bottom of skirt
No letter or A
Standard or New 86.980 - 86.990 mm (3.4244 - 3.4248 inch)
Service Limit 86.930 mm (3.4224 inch)
Letter B
Standard or New 86.970 - 86.980 mm (3.4240 - 3.4244 inch)
Service Limit 86.920 mm (3.4220 inch)
Clearance in cylinder
Standard or New 0.020 - 0.040 mm (0.0008 - 0.0016 inch)
Service Limit 0.05 mm (0.002 inch)
Ring groove width
Top
Standard or New 1.230 - 1.240 mm (0.0484 inch)
Service Limit 1.26 mm (0.0450 inch)
Second
Standard or New 1.240 - 1.250 mm (0.0488 - 0.0492 inch)
Service Limit 1.270 mm (0.050 inch)
Oil
Standard or New 2.005 - 2.025 mm (0.0789 - 0.0797 inch)
Service Limit 2.05 mm (0.081 inch)
Skirt O.D. at 13 mm (0.5 inch) from bottom of skirt
No letter or A
Standard or New 86.980 - 86.990 mm (3.4244 - 3.4248 inch)
Service Limit 86.930 mm (3.4224 inch)
Letter B
Standard or New 86.970 - 86.980 mm (3.4240 - 3.4244 inch)
Service Limit 86.920 mm (3.4220 inch)
Clearance in cylinder
Standard or New 0.020 - 0.040 mm (0.0008 - 0.0016 inch)
Service Limit 0.05 mm (0.002 inch)
Ring groove width
Top
Standard or New 1.230 - 1.240 mm (0.0484 inch)
Service Limit 1.26 mm (0.0450 inch)
Second
Standard or New 1.240 - 1.250 mm (0.0488 - 0.0492 inch)
Service Limit 1.270 mm (0.050 inch)
Oil
Standard or New 2.005 - 2.025 mm (0.0789 - 0.0797 inch)
Service Limit 2.05 mm (0.081 inch)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.