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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 2.2L) >> Repair Instructions - Off Vehicle >> Valve and Seat Grinding >> Valve Head O.D. and Chamfer Measurement Procedure

Valve Head O.D. and Chamfer Measurement Procedure

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: 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 (LAP, LE8) .
  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.
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