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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 5.7L (LS6)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  2. Remove the intake manifold. Refer to Intake Manifold Replacement .
  3. Remove the engine coolant air bleed pipe and covers. Refer toCoolant Air Bleed Pipe Assembly Replacement in Engine Cooling.
  4. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement - Right (LS6) in Engine Exhaust.
  5. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
    Fig 1: Identifying Oil Level Indicator Tube
    GM1392838Courtesy of GENERAL MOTORS CORP.
  6. Remove the negative battery cable from the right cylinder head. Refer toBattery Negative Cable Replacement (LHD) or Battery Negative Cable Replacement (RHD)Battery Negative Cable Replacement (LS6) in Engine Electrical.
    7. Fig 2: View Of Cylinder Head & Bolts
    GM260149Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The cylinder head bolts are NOT reusable.
    NOTE: After removal, place the cylinder head on two wood blocks to prevent damage to the sealing surfaces.
  7. Remove the cylinder head bolts.
  8. Remove the cylinder head. Refer to Cylinder Head Removal - Right .
    9. Fig 3: View Of Right Cylinder Head Gasket And Alignment Pins
    GM63170Courtesy of GENERAL MOTORS CORP.
  9. Remove the cylinder head gasket.
  10. Discard the gasket.
  11. Discard the cylinder head bolts.
  12. Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .
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