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 MANUALSACURA1998CL V6-3.0L SOHC (VTEC)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON RING, ENGINE
1998 Acura CL V6-3.0L SOHC (VTEC)
Piston Ring, Engine
1998 Acura CL V6-3.0L SOHC (VTEC)SECTION Piston Ring, Engine
PISTON RING GAP:
Top Ring:
Standard (New) 0.20 - 0.35 mm (0.008 - 0.0014 inch)
Service Limit 0.60 mm (0.024 inch)
Second Ring:
Standard (New) 0.40 - 0.55 mm (0.016 - 0.022 inch)
Service Limit 0.70 mm (0.028 inch)
Oil Ring:
Standard (New) 0.20 - 0.70 mm (0.08 - 0.028 inch)
Service Limit 0.80 mm (0.031 inch)
RING TO GROOVE CLEARANCE
Top Ring:
Standard (New) 0.035 - 0.060 mm (0.0014 - 0.0024 inch)
Service Limit 0.13 mm (0.005 inch)
Second Ring:
Standard (New) 0.30 - 0.055 mm (0.0012 - 0.0022 inch)
Service Limit 0.13 mm (0.005 inch)
Top Ring:
Standard (New) 0.20 - 0.35 mm (0.008 - 0.0014 inch)
Service Limit 0.60 mm (0.024 inch)
Second Ring:
Standard (New) 0.40 - 0.55 mm (0.016 - 0.022 inch)
Service Limit 0.70 mm (0.028 inch)
Oil Ring:
Standard (New) 0.20 - 0.70 mm (0.08 - 0.028 inch)
Service Limit 0.80 mm (0.031 inch)
RING TO GROOVE CLEARANCE
Top Ring:
Standard (New) 0.035 - 0.060 mm (0.0014 - 0.0024 inch)
Service Limit 0.13 mm (0.005 inch)
Second Ring:
Standard (New) 0.30 - 0.055 mm (0.0012 - 0.0022 inch)
Service Limit 0.13 mm (0.005 inch)
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.