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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
    2. Fig 1: Left Engine Lift Bracket (3.8L)
    GM153577Courtesy of GENERAL MOTORS CORP.
  2. Remove the left engine lift bracket bolt and nut from the engine lift bracket.
  3. Remove the left engine lift bracket from the cylinder head.
  4. Remove the right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Right (L26) .
  5. Remove the left spark plug wires from the left spark plugs. Refer to Spark Plug Wire Replacement in Engine Controls - 3.8L.
  6. Remove the left spark plug wire cover from the left valve rocker arm cover.
    7. Fig 2: Removing/Installing Left Valve Rocker Arm Cover
    GM406018Courtesy of GENERAL MOTORS CORP.
  7. Remove the left valve rocker arm cover bolts.
    8. IMPORTANT: If the valve rocker arm cover adheres to the cylinder head, remove the valve rocker arm cover by bumping the end of the valve rocker arm cover with palm of hand or with a soft rubber mallet.
  8. Remove the left valve rocker arm cover.
  9. Remove the left valve rocker arm cover gasket.
  10. Clean the valve rocker arm mating surfaces.
  11. Clean the valve rocker arm cover bolts of all thread locking adhesive.
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