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Home >> Chevrolet >> 2007 >> Optra LT, Automatic >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical - 1.6L (L91) >> Repair Instructions >> Valve Rocker Arms Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

    Fig 1: View Of Cylinder Head
    GM1289663Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Safety Glasses Caution .
  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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