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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 528 (Engine Mechanical - 5.3L, 6.0L, 6.2L - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Valve Rocker Arm and Push Rod Removal

Valve Rocker Arm and Push Rod Removal

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    Fig 1: View Of Offset Intake Rocker Arm & Intake Rocker Arm
    GM1814082Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    Place the valve rocker arms, valve pushrods, and pivot support, in a rack so they can be installed in the same location from which they were removed.

  1. On engines with offset intake rocker arms (1), remove the valve rocker arm bolts and valve rocker arms - engine RPOs LY6, L94, L96, and L9H.
    2. Fig 2: View Of Rocker Arms & Bolts
    GM260140Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    Place the valve rocker arms, valve pushrods, and pivot support, in a rack so they can be installed in the same location from which they were removed.

  2. On engines without offset rocker arms (1), remove the rocker arm bolts and valve rocker arms - engine RPOs L20, LMG and LC9.
    3. Fig 3: View Of Valve Rocker Arm Pivot Support
    GM260141Courtesy of GENERAL MOTORS COMPANY
  3. Remove the valve rocker arm pivot support.
    4. Fig 4: View Of Pushrods
    GM260142Courtesy of GENERAL MOTORS COMPANY
  4. Remove the pushrods.
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