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Home >> Mercury >> 2009 >> Sable AWD V6-3.5L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Service and Repair >> Procedures >> Valve Guide Inner Diameter
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Valve Guide Inner Diameter




Valve Guide Inner Diameter

NOTE: Refer to the Engine system level for the specification.

1. NOTE: Valve guides tend to wear in an hourglass pattern. The ball gauge can be inserted into the combustion chamber side of the valve guide, if necessary.

Use a ball gauge to determine the inside diameter of the valve guides in 2 directions at the top, middle and bottom of the valve guide.





2. Measure the ball gauge with a micrometer.





3. If the valve guide is not within specifications, install a new cylinder head assembly.

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