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 HEAD ASSEMBLYVALVE GUIDE
1998 Acura CL V6-3.0L SOHC (VTEC)
Valve Guide
1998 Acura CL V6-3.0L SOHC (VTEC)SECTION Valve Guide
Guide-to-Stem Clearance (Wobble Method)
Intake Valve:
Standard (New) 0.04 - 0.09 mm (0.002 - 0.004 inch)
Service Limit 0.16 mm (0.006 inch)
Exhaust Valve:
Standard (New) 0.11 - 0.16 mm (0.004 - 0.006 inch)
Service Limit 0.24 mm (0.009 inch)
Guide-to-Stem Clearance (Valve Guide I.D. minus Valve Stem O.D. Method)
Intake Valve:
Standard (New) 0.020 - 0.045 mm (0.0008 - 0.0018 inch)
Service Limit 0.08 mm (0.003 inch)
Exhaust Valve:
Standard(New) 0.055 - 0.080 mm (0.0022 - 0.0031 inch)
Service Limit 0.12 mm (0.005 inch)
Valve Guide Installed Height:
Intake 21.20 - 22.20 mm (0.835 - 0.874 inch)
Exhaust 20.63 - 21.63 mm (0.812 - 0.852 inch)
Intake Valve:
Standard (New) 0.04 - 0.09 mm (0.002 - 0.004 inch)
Service Limit 0.16 mm (0.006 inch)
Exhaust Valve:
Standard (New) 0.11 - 0.16 mm (0.004 - 0.006 inch)
Service Limit 0.24 mm (0.009 inch)
Guide-to-Stem Clearance (Valve Guide I.D. minus Valve Stem O.D. Method)
Intake Valve:
Standard (New) 0.020 - 0.045 mm (0.0008 - 0.0018 inch)
Service Limit 0.08 mm (0.003 inch)
Exhaust Valve:
Standard(New) 0.055 - 0.080 mm (0.0022 - 0.0031 inch)
Service Limit 0.12 mm (0.005 inch)
Valve Guide Installed Height:
Intake 21.20 - 22.20 mm (0.835 - 0.874 inch)
Exhaust 20.63 - 21.63 mm (0.812 - 0.852 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.