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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 203 (Engine Mechanical - 3.5L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Left >> Installation Procedure

Installation Procedure

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    Fig 1: Left Cylinder Head Gasket
    GM190594Courtesy of GENERAL MOTORS CORP.
  1. Install a new left cylinder head gasket.
    2. Fig 2: Left Cylinder Head & Bolts
    GM190595Courtesy of GENERAL MOTORS CORP.
  2. Install the left cylinder head over the locator pins and the gasket.
    3. Fig 3: View Of Cylinder Head Bolt Tightening Sequence
    GM826677Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the new cylinder head bolts.

    Tighten: 

    1. Tighten the bolts in sequence to 60 N.m (44 lb ft).
    2. Use the J 45059  to rotate the bolts in sequence an additional 95 degrees. See Special Tools .

  4. Install the left exhaust manifold. Refer to EXHAUST MANIFOLD REPLACEMENT - LEFT (3.5L) in Engine Exhaust.
  5. Install the left spark plugs. Refer to Spark Plug Replacement in Engine Controls - 3.5L.
  6. Install the left spark plug wires to the spark plugs. Refer to Spark Plug Wire Replacement in Engine Controls - 3.5L.
  7. Install the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
  8. Install the exhaust crossover pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT in Engine Exhaust.
  9. Install the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  10. Install the lower intake manifold. Refer to Intake Manifold Replacement - Lower .
  11. Fill the crankcase with engine oil. Refer to Engine Oil and Oil Filter Replacement .
  12. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (Vac-N-Fill) in Engine Cooling.
  13. Inspect for leaks.
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