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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (Engine Mechanical - 8.1L V8) >> Overhaul >> Cylinder Head >> Valve Reconditioning Procedure

Valve Reconditioning Procedure

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  1. Replace valve if valve stem shows excessive wear or is warped.
  2. Reface pitted valves on a valve refacing machine in order to insure the correct relationship between the head and stem.
  3. Replace valve if the edge of the head is less than 0.031" (0.79 mm) thick after grinding.