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Home >> Jeep >> 2008 >> Commander Base, 3.7 K, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (4.7L Engine (Service Information)) >> Cylinder Head-Right >> Inspection >> Cylinder Heads

Cylinder Heads

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Fig 1: Checking Cylinder Head Flatness
GC0051321Courtesy of CHRYSLER LLC
  1. Inspect the cylinder head for out-of-flatness, using a straightedge (2) and a feeler gauge (1). Check Cylinder head in several locations. If tolerances exceed 0.0508 mm (0.002 in.) replace the cylinder head.
  2. Inspect the valve seats for damage. Service the valve seats as necessary.
  3. Inspect the valve guides for wear, cracks or looseness. If either condition exist, replace the cylinder head.
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