GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 LaCrosse 🢒 Engine 🢒 Engine Electrical 🢒 Valve Rocker Arm Cover Replacement - Right Side

Removal Procedure

    Object Number: 911011 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  3. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
  4. Remove the right spark plug wires from the right spark plugs. Refer to Spark Plug Replacement .
  5. Remove the fuel injector sight shield bracket nuts (2).
  6. Remove the fuel injector sight shield bracket (1).

    7. Object Number: 910986 Size: SH
  7. Remove the right engine lift bracket bolt (2) and the nut (3) from the engine lift bracket.
  8. Remove the right engine lift bracket (1) from the exhaust manifold.

    9. Object Number: 406021 Size: SH
  9. Remove the right valve rocker arm cover bolts.

    10. 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 the palm of your hand or a soft rubber mallet.

  10. Remove the right valve rocker arm cover.
  11. Remove the right valve rocker arm cover gasket.
  12. Clean the valve rocker arm cover gasket mating surfaces.
  13. Clean the valve rocker arm cover bolts of all thread locking adhesive.

Installation Procedure

    Object Number: 406021 Size: SH

    Important: Ensure that the valve rocker arm cover gasket is seated properly in the valve rocker arm cover groove.

  1. Install the new valve rocker arm cover gasket.
  2. Install the right valve rocker arm cover.
  3. Apply threadlock compound to the valve rocker arm cover bolt threads. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the right valve rocker arm cover bolts.

    5. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 910986 Size: SH
  5. Install the right engine lift bracket (1) to the exhaust manifold.
  6. Install the right engine lift bracket bolt (2) and the nut (3).

    7. Tighten
    Tighten the bolt and the nut to 30 N·m (22 lb ft).


    Object Number: 911011 Size: SH
  7. Install the fuel injector sight shield bracket (1) to the exhaust manifold.
  8. Install the fuel injector sight shield bracket nuts (2).

    9. Tighten
    Tighten the nuts to 30 N·m (22 lb ft).

  9. Install the right spark plug wires to the right spark plugs. Refer to Spark Plug Replacement .
  10. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
  11. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  13. Check and fill the crankcase as necessary.
  14. Inspect for oil leaks.