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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 >> Camshaft Gear Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Engine Cover And Bolts
    GM1291138Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Remove the engine cover. Refer to Engine Cover Replacement .
  3. Remove the timing belt. Refer to Timing Belt Replacement .
  4. Disconnect the ignition wires from the spark plugs.
  5. Disconnect the engine ventilation hoses from the camshaft cover.
  6. Fig 2: Identifying Valve Cover And Bolts
    GM1291143Courtesy of GENERAL MOTORS CORP.
  7. Remove the camshaft cover bolts.
  8. Remove the camshaft cover and the camshaft cover gasket.
  9. Fig 3: Holding Camshaft To Tighten/Loosen Sprocket
    GM1291233Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Take extreme care to prevent any scratches, nicks or damage to the camshafts.
  10. While holding the intake camshaft firmly in place, remove the intake camshaft gear bolt.
  11. Remove the intake camshaft gear.
  12. While holding the exhaust camshaft firmly in place, remove the exhaust camshaft gear bolt.
  13. Remove the exhaust camshaft gear.