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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Mechanical - 3.8L) >> Repair Instructions - On Vehicle >> Valve Lifter Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the left or the right valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Left Side  or Valve Rocker Arm Cover Replacement - Right Side .
  2. Remove the lower intake manifold. Refer to Lower Intake Manifold Replacement .
  3. IMPORTANT: Ensure that all the valve train parts are kept in order so that they can be reinstalled in their original locations and with the same mating surfaces as when removed.
    Fig 1: Identifying Push Rods
    GM153584Courtesy of GENERAL MOTORS CORP.
  4. Remove the rocker arm bolts, the valve rocker arms, the push rods and the push rod guide plates. Refer to Valve Rocker Arm and Push Rod Replacement .
  5. Fig 2: View Of Valve Lifter Guides
    GM406038Courtesy of GENERAL MOTORS CORP.
  6. Remove the valve lifter guide bolts.
  7. Remove the valve lifter guides.
  8. Remove the valve lifters.
  9. Clean all the gasket mating surfaces.
  10. Clean the valve train parts.
  11. Inspect the valve lifters and the cam lobes for wear. Refer to Valve Lifters and Guides Cleaning and Inspection .