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Home >> Chevrolet >> 2005 >> Optra5 LS, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.0L (L34 GMDAT) >> Repair Instructions >> Valve Rocker Arm and Shaft Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

    Fig 1: Cleaning Cylinder Head
    GM1252189Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
  1. Clean the cylinder head.
  2. Clean the valve guides.
  3. Clean all of the threaded holes.
  4. Clean the valves of carbon, oil, and varnish.
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