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 MANUALSACURA2003MDX TOURINGREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESPECIFICATIONSENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONSMECHANICAL CHECKSVALVE CLEARANCE

2003 Acura MDX Touring

Valve Clearance

2003 Acura MDX TouringSECTION Valve Clearance

VALVE CLEARANCE ADJUSTMENT

Application ⁽¹⁾

In. (mm)

MDX, 3.2CL & 3.2TL

Intake

0.008-0.009 (0.20-0.23)

Exhaust

0.011-0.013 (0.28-0.33)

RSX (K20A2)

Intake

0.008-0.010 (0.20-0.25)

Exhaust

0.010-0.011 (0.25-0.28)

RSX (K20A3)

Intake

0.008-0.010 (0.20-0.25)

Exhaust

0.011-0.013 (0.28-0.33)

3.5RL

⁽²⁾

⁽¹⁾	Adjust valves when engine is cold.

⁽²⁾	Equipped with hydraulic lifters. No adjustment is necessary.

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.