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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 - Left >> 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 .
    Fig 1: View Of Intake Manifold & Engine
    GM639836Courtesy of GENERAL MOTORS CORP.
  3. Remove the engine coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Assembly Replacement in Engine Cooling.
  4. Remove the power steering pump and bracket. Refer to Power Steering Pump Replacement (5.7L) in Power Steering System.
  5. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement - Left (LS6) in Engine Exhaust.
  6. Remove the engine wiring harness ground bolt from the rear of the left cylinder head.
  7. Reposition the engine wire harness ground strap away from the cylinder head.
    8. Fig 2: View Of Cylinder Head & Bolts (Left)
    GM260146Courtesy 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.
  8. Remove the cylinder head bolts.
  9. Remove the cylinder head. Refer to Cylinder Head Removal - Left .
    10. Fig 3: View Of Left Cylinder Head Gasket & Locator Pins
    GM63169Courtesy of GENERAL MOTORS CORP.
  10. Remove the cylinder head gasket.
  11. Discard the gasket.
  12. Discard the cylinder head bolts.
  13. Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .
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