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Home >> Pontiac >> 2010 >> Solstice Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical - 2.0L - Repair Instructions - Off Vehicle (1 Of 2)) >> Valve and Seat Grinding >> Valve Head O.D. and Chamfer Measurement Procedure

Valve Head O.D. and Chamfer Measurement Procedure

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    Fig 1: View Of Valve Head O.D. & Chamfer
    GM2371865Courtesy of GENERAL MOTORS CORP.
  1. Measure the valve head O.D. and chamfer (a) using an appropriate scale. Refer to Engine Mechanical Specifications .
  2. If the valve head O.D. and chamfer is within specification, test the valve (1) for seat concentricity using the Valve-to-Seat Concentricity Measurement Procedure. Reinspect the valve head O.D. and chamfer after completing the concentricity measurement if valve seat reconditioning is performed.