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Home >> GMC >> 2005 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 1 Of 3) >> Repair Instructions (On-Vehicle And Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Left >> Removal Procedure

Removal Procedure

  1. Remove the generator bracket. Refer to Generator Replacement (4.3L Engine) or Generator Replacement (4.8L, 5.3L & 6.0L Engines) or Generator Replacement (6.6L (LLY) Engine) or Generator Replacement (8.1L Engine) in Engine Electrical.
  2. Remove the intake manifold. Refer to Intake Manifold Replacement .
  3. Remove the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Assembly Replacement (4.8L, 5.3L & 6.0L) in Engine Cooling.
  4. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left (4.3L Engine) or Exhaust Manifold Replacement - Left (4.8L, 5.3L & 6.0L Engine) or Exhaust Manifold Replacement - Left (6.6L (LLY) Engine) or Exhaust Manifold Replacement - Left (8.1L Engine) in Engine Exhaust.
  5. Remove the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
    IMPORTANT: The cylinder head bolts are NOT reusable.
    6. Fig 1: Cylinder Head Bolts
    GM1424500Courtesy of GENERAL MOTORS CORP.
  6. Remove the cylinder head bolts.
    7. Fig 2: View Of Cylinder Head (Left)
    GM832958Courtesy of GENERAL MOTORS CORP.
    NOTE: After removal, place the cylinder head on two wood blocks to prevent damage to the sealing surfaces.
  7. Remove the cylinder head.
    8. Fig 3: View Of Cylinder Head Gasket (Left)
    GM832962Courtesy of GENERAL MOTORS CORP.
  8. Remove and discard the cylinder head gasket.
  9. If required, clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .
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