GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Allure 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Valve Rocker Arm Cover Replacement - Right Side

Removal Procedure

    Object Number: 1551871 Size: SH
  1. Remove the engine sight shield, if required. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. Remove the connector position assurance (CPA) retainer (3).
  3. Disconnect the ignition coil main electrical connector (4).
  4. Reposition the engine harness, if necessary.

    5. Object Number: 1411932 Size: SH
  5. Remove the spark plug wires (724) from the ignition coils.
    6. 5.1. Twist each plug wire 1/2 turn.
    5.2. Pull only on the boot in order to remove the wire from the ignition coil.
  6. Remove the ignition coil bracket bolts (720).
  7. Remove the ignition coil and bracket assembly (719).

    8. Object Number: 1551876 Size: SH
  8. Remove the positive crankcase ventilation (PCV) foul air hose from the intake manifold and valve rocker arm cover.

    9. Object Number: 1411936 Size: SH
  9. Remove the valve rocker arm cover bolts and cover.

    10. Object Number: 1272820 Size: SH
  10. Remove and discard the old the gasket (504) from the valve rocker arm cover.
  11. Remove the valve rocker arm cover bolt grommets, if cut or damaged.

Installation Procedure

Important: 

   • All gasket surfaces should be free of oil or other foreign material during assembly.
   • DO NOT reuse the valve rocker arm cover gasket.
   • The valve rocker arm cover bolt grommets may be reused.


    Object Number: 1272820 Size: SH
  1. Install a NEW gasket (504) into the groove of the valve rocker arm cover.

    2. Object Number: 1411936 Size: SH
  2. Install NEW valve rocker arm cover bolt grommets, if necessary.
  3. Install the valve rocker arm cover and bolts.

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

  4. Install the rocker arm cover bolts and grommets.

    5. Tighten
    Tighten the bolts to 12 N·m (106 lb in).


    Object Number: 1551876 Size: SH
  5. Install the PCV foul air hose to the intake manifold and valve rocker arm cover.

    6. Object Number: 1411932 Size: SH
  6. Apply threadlock to the threads of the ignition coil bracket bolts. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  7. Install the ignition coil and bracket assembly (719).
  8. Install the ignition coil bracket bolts (720).

    9. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  9. Install the spark plug wires (724) from the ignition coils.

    10. Object Number: 1551871 Size: SH
  10. Position the engine harness, if necessary.
  11. Connect the ignition coil main electrical connector (4).
  12. Install the CPA retainer (3).
  13. Install the engine sight shield, if required. Refer to Upper Intake Manifold Sight Shield Replacement .