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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Left Cylinder Head
    GM1424500Courtesy of GENERAL MOTORS CORP.
  1. Remove the generator bracket. Refer to Generator Replacement .
  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. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side .
  5. Remove the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
    6. IMPORTANT: The cylinder head bolts are NOT reusable.
    Fig 2: Locating Cylinder Head Bolts
    GM832958Courtesy of MAZDA MOTORS CORP.
    NOTE: After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.
  6. Remove the cylinder head bolts.
  7. Remove the cylinder head.
    8. Fig 3: View Of Left Cylinder Head Gasket & Locator Pins
    GM63169Courtesy 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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