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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 4.3L) >> 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.
    Fig 1: View Of Generator Bracket Stud
    GM475837Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System (w/RPO HP2) or Draining and Filling Cooling System (w/o RPO HP2) in Engine Cooling.
  2. Remove the generator bracket. Refer to Generator Bracket Replacement (4.3L Engine) or Generator Bracket Replacement (4.8L, 5.3L, and 6.0L Engines) or Generator Bracket Replacement (6.6L (LLY) Engine) or Generator Bracket Replacement (8.1L Engine) in Engine Electrical.
  3. Remove the intake manifold. Refer to Intake Manifold Replacement - Lower .
  4. Remove the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right (4.3L Engine) or Exhaust Manifold Replacement - Right (4.8L, 5.3L, and 6.0L Engines) or Exhaust Manifold Replacement - Right (6.6L (LLY) Engine) or Exhaust Manifold Replacement - Right (8.1L Engine) in Engine Exhaust.
  5. Remove the right pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  6. Remove the generator bracket stud from the cylinder head.
    7. Fig 2: Locating Spark Plugs
    GM328586Courtesy of GENERAL MOTORS CORP.
  7. Remove the spark plugs.
    8. Fig 3: Spark Plug Wire Support
    GM328590Courtesy of GENERAL MOTORS CORP.
  8. Remove the spark plug wire support bolts and support.
    9. Fig 4: Locating Cylinder Head Bolts (Right)
    GM480537Courtesy of GENERAL MOTORS CORP.
  9. Remove the cylinder head bolts.
    10. Fig 5: Removing/Installing Cylinder Head (Right)
    GM480538Courtesy of GENERAL MOTORS CORP.
  10. Remove the cylinder head.
    11. Fig 6: View Of Cylinder Head Gasket And Alignment Pins - Right
    GM334312Courtesy of GENERAL MOTORS CORP.
  11. Remove and discard the cylinder head gasket.
    12. Fig 7: Cylinder Head Locator Pins
    GM330553Courtesy of GENERAL MOTORS CORP.
  12. Remove the cylinder head locator pins, if necessary.
  13. Clean and inspect the cylinder head, if necessary. Refer to Cylinder Head Cleaning and Inspection .
  14. Disassemble the cylinder head, if necessary. Refer to Cylinder Head Disassemble .
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