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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Cylinder Head Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Drive Belt Idler Pulley Bracket Bolts
    GM1967522Courtesy of GENERAL MOTORS CORP.
  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Remove the drive belt idler pulley bracket bolts (1).
  3. Remove the drive belt idler pulley bracket (2).
    4. Fig 2: Engine Ground Strap And Bolt
    GM1699550Courtesy of GENERAL MOTORS CORP.
  4. Remove the intake manifold. Refer to Intake Manifold Replacement .
  5. Remove the coolant air bleed pipe. Refer to Engine Coolant Air Bleed Pipe Replacement (with AFM) , Engine Coolant Air Bleed Pipe Replacement (without AFM) .
  6. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side .
  7. Remove the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  8. Remove the engine ground strap bolt from the rear of the cylinder head.
  9. Remove the ground strap from the cylinder head.
    10. Fig 3: Cylinder Head And Bolts
    GM1658150Courtesy of GENERAL MOTORS CORP.
    NOTE:

    The cylinder head bolts are of a torque-to-yield design and are NOT to be reused.

  10. Remove and discard the cylinder head bolts (220, 221).
    11. CAUTION:

    After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.

  11. Remove the cylinder head (218).
    12. Fig 4: Cylinder Head Gasket And Locating Pins
    GM1658153Courtesy of GENERAL MOTORS CORP.
  12. Remove and discard the cylinder head gasket (217).
  13. If required, clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .
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