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Mercury Truck
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2005
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Mariner 4WD L4-2.3L VIN Z
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Service and Repair
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General Procedures
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Valve Guide
Valve Guide
Valve Guide
Inner Diameter
1.
Measure the inner diameter of the
valve guides
in two directions where indicated.
2.
If the
valve guide
is not within specifications, install a new
cylinder head assembly
.