LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Replacing Cylinder Head - Left >> Removal

Replacing Cylinder Head - Left: Removal

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (L26) in Engine Electrical.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Drain the engine oil. Refer to Replacing Engine Oil and Oil Filter .
  4. Drain the cooling system. Refer to Draining and Filling Cooling System (L26 Static Fill) or Draining and Filling Cooling System (L26, LY7, GE 47716 Fill) in Engine Cooling.
  5. Lower the vehicle.
  6. Remove the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement in Engine Control - 3.8L.
  7. Remove the ignition control module and the bracket from the left cylinder head. Refer to Ignition Control Module Replacement in Engine Controls - 3.8L.
  8. Remove the right engine mount strut bracket. Refer to Replacing Engine Mount Strut Bracket - Right (L26) .
  9. Remove the left engine mount strut bracket. Refer to Replacing Engine Mount Strut Bracket - Left .
  10. Remove the lower intake manifold. Refer to Replacing Intake Manifold - Lower .
  11. Remove the left spark plugs from the left cylinder head. Refer to Spark Plug Replacement in Engine Controls - 3.8L.
  12. Remove the left exhaust manifold.
  13. Remove the left valve rocker arm cover. Refer to Replacing Valve Rocker Arm Cover - Left .
  14. Remove the left rocker arms and the push rods. Refer to Replacing Valve Rocker Arm and Push Rod .
    15. Fig 1: Left Cylinder Head & Bolts
    GM153597Courtesy of GENERAL MOTORS CORP.
  15. Remove the left cylinder head bolts. Discard the cylinder head bolts.
  16. Remove the left cylinder head.
    17. Fig 2: Left Cylinder Head Gasket
    GM406043Courtesy of GENERAL MOTORS CORP.
  17. Remove the cylinder head gasket.
  18. Remove the caps, the springs, the valves and the seals from the cylinder head. Refer to Disassembling Cylinder Head .
  19. Clean the gasket mating surfaces on the cylinder head, the cylinder block and the intake manifold.
  20. Clean the cylinder block bolt hole threads.
  21. Inspect the engine block. Refer to Engine Block Cleaning & Inspection .
  22. Inspect the cylinder head. Refer to Cylinder Head Cleaning & Inspection .
scientia non olet · About LEMON Manuals