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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Rocker Arm and Push Rod Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. 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  or Valve Rocker Arm Cover Replacement - Right .
  2. Remove the rocker arm bolts.
    3. Fig 1: Identifying Rocker Arm Bolts
    GM406027Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Place the parts on a clean surface. Store the components in order so they can be reassembled in the same location and with the same mating surfaces as when removed.
  3. Remove the valve rocker arms.
  4. Remove the push rod guide plates if all the valve rocker arms are removed.
    5. Fig 2: Push Rod Guide Plates
    GM406028Courtesy of GENERAL MOTORS CORP.
  5. Remove the push rods.
    6. Fig 3: Identifying Push Rods
    GM406030Courtesy of GENERAL MOTORS CORP.
  6. Clean the push rods, the valve rocker arms, the bolts, and the guide plates.
  7. Clean the valve rocker arm bolts of all thread adhesive.
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