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1998
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Jimmy 2D Utility, RWD, Automatic
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Repair and Diagnosis
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Engine Mechanical
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Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J]
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Overhaul
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Cylinder Head
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Valves
Cylinder Head: Valves
Replace valve if margin is less than 0.031" (0.8 mm).
Fig 1: Installation Of Valve Stem Oil Seal.
Courtesy of GENERAL MOTORS CORP.