LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 383 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Valve Rocker Arm and Push Rod Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Rocker Arms And Bolts
    GM1814082Courtesy of GENERAL MOTORS CORP.
  1. Remove the rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Left Side , or Valve Rocker Arm Cover Replacement - Right Side .
    2. NOTE:

    The engine firing order is 1, 8, 7, 2, 6, 5, 4, 3. Cylinders 1, 3, 5 and 7 are the left bank.

  2. Remove the number one cylinder spark plug. Refer to Spark Plug Replacement .
    3. NOTE:

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

  3. Remove the rocker arm bolts.
  4. Remove the rocker arms (1, 2).
    5. Fig 2: Rocker Arm Pivot Support
    GM260141Courtesy of GENERAL MOTORS CORP.
  5. Remove the rocker arm pivot support.
    6. Fig 3: Pushrods
    GM260142Courtesy of GENERAL MOTORS CORP.
  6. Remove the pushrods.
  7. Clean and inspect the rocker arms and pushrods, if required. Refer to Valve Rocker Arm and Push Rod Cleaning and Inspection .
scientia non olet · About LEMON Manuals