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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical - 3.5L - Repair Instructions - On Vehicle) >> Cylinder Head Replacement - Left Side >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Left Side Spark Plug Wires
    GM1608802Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (LZE, LGD Static Fill) or Cooling System Draining and Filling (LZE, LGD GE47716 Fill) .
  2. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  3. Lower the vehicle.
  4. Remove the lower intake manifold. Refer to Lower Intake Manifold Replacement .
  5. Remove the valve rocker arms and the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  6. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side (LGD/LZE) .
  7. Remove the oil level indicator tube. Refer to Oil Level Indicator Tube Replacement .
  8. Disconnect the left spark plug wires from the spark plugs.
  9. Remove the spark plug wire clips from the brackets.
  10. Disconnect and remove the left spark plug wires from the ignition coil.
    11. Fig 2: View Of Cylinder Head
    GM52299Courtesy of GENERAL MOTORS CORP.
  11. Remove the left spark plugs. Refer to Spark Plug Replacement .
  12. Remove and discard the cylinder head bolts.
  13. Remove the cylinder head.
    14. Fig 3: View Of Cylinder Head Gasket And Alignment Pins
    GM54362Courtesy of GENERAL MOTORS CORP.
  14. Remove and discard the cylinder head gasket.
  15. Remove the cylinder head locator dowel pins, if necessary.
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