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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Engine Mechanical - 4.8L, 5.3L, 6.0L And 6.2L (2 Of 5)) >> On-Vehicle Repair Instructions (1 Of 2) >> Valve Lifter Replacement (RPOs LC9/LMG/LY5/L76/L92) >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Lifter Guides & Lifters
    GM1402039Courtesy of GENERAL MOTORS CORP.
  1. Remove the cylinder head and gasket. Refer to Cylinder Head Replacement - Left Side  or Cylinder Head Replacement - Right Side .
  2. Remove the valve lifter guide bolts (211).
  3. Remove the valve lifter guides (210) with the lifters. Note the installed position of the guides. The notched area of the guides is to align with the locating tab on the engine block.
    4. Fig 2: Exploded View Of Lifter Guides & Lifters
    GM1402040Courtesy of GENERAL MOTORS CORP.
  4. Remove the valve lifters (209, 219) from the guide (210).
    5. Fig 3: Inserting Valve Lifters Into Lifter Guides
    GM1402044Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The active fuel management lifters are installed into the guide by aligning the notched area of the guide (1) with the raised surface on the side of the lifter (2).
  5. Organize or mark the components so that they can be installed in the same location from which they were removed, if required.
  6. Clean and inspect the valve lifters, if required. Refer to Valve Lifters and Guides Cleaning and Inspection (RPO LY2/LY6) or Valve Lifters and Guides Cleaning and Inspection (RPO LC9/LY5/LMG/L76/L92) .
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