Operation CHARM
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Ford Truck
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2010
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Explorer Sport Trac 4WD V6-4.0L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Cylinder Head Assembly
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Rocker Arm Assembly
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Service and Repair
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Procedures
Procedures
Roller Follower Inspection
1.
Inspect the roller follower for flat spots or scoring. If any damage is found, inspect the
camshaft
lobes and hydraulic lash adjuster for damage.