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 MANUALSMITSUBISHI2004GALANT V6-3.8L (6G75)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON RING, ENGINE
2004 Mitsubishi Galant V6-3.8L (6G75)
Piston Ring, Engine
2004 Mitsubishi Galant V6-3.8L (6G75)SECTION Piston Ring, Engine
Engine Overhaul
Piston ring side clearance
No.1
Standard value 0.03 - 0.07 mm (0.0012 - 0.0027 in.)
Limit 0.1 mm (0.003 in.)
No.2
Standard value 0.02 - 0.06 mm (0.0008 - 0.0023 in.)
Limit 0.1 mm (0.003 in.)
Piston ring end gap
No.1
Standard value 0.25 - 0.40 mm (0.010 - 0.016 in.)
Limit 0.8 mm (0.03 in.)
No.2
Standard value 0.35 - 0.50 mm (0.014 - 0.020 in.)
Limit 0.8 mm (0.03 in.)
Oil ring side rail
Standard value 0.10 - 0.35 mm (0.004 - 0.014 in.)
Limit 1.0 mm (0.03 in.)
Piston ring side clearance
No.1
Standard value 0.03 - 0.07 mm (0.0012 - 0.0027 in.)
Limit 0.1 mm (0.003 in.)
No.2
Standard value 0.02 - 0.06 mm (0.0008 - 0.0023 in.)
Limit 0.1 mm (0.003 in.)
Piston ring end gap
No.1
Standard value 0.25 - 0.40 mm (0.010 - 0.016 in.)
Limit 0.8 mm (0.03 in.)
No.2
Standard value 0.35 - 0.50 mm (0.014 - 0.020 in.)
Limit 0.8 mm (0.03 in.)
Oil ring side rail
Standard value 0.10 - 0.35 mm (0.004 - 0.014 in.)
Limit 1.0 mm (0.03 in.)
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.