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 MANUALSMERCURY2009MILAN AWD L4-2.3LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYVALVE CLEARANCE
2009 Mercury Milan AWD L4-2.3L
Valve Clearance
2009 Mercury Milan AWD L4-2.3LSECTION Valve Clearance
Valve Clearance
NOTE: The nominal clearance is:
intake 0.25 mm (0.0095 in).
exhaust 0.30 mm (0.0115 in).
NOTE: The acceptable clearances after being fully installed are:
intake 0.22-0.28 mm (0.008-0.011 in).
exhaust 0.27-0.33 mm (0.010-0.013 in).
NOTE: The nominal clearance is:
intake 0.25 mm (0.0095 in).
exhaust 0.30 mm (0.0115 in).
NOTE: The acceptable clearances after being fully installed are:
intake 0.22-0.28 mm (0.008-0.011 in).
exhaust 0.27-0.33 mm (0.010-0.013 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.