GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Valve Rocker Arm Cover Installation - Right Side

    Object Number: 1272820 Size: SH

    Important: 

       • All gasket surfaces should be free of oil or other foreign material during assembly.
       • DO NOT use the valve rocker arm cover gasket again.

  1. Install NEW valve rocker arm cover grommets and use NEW valve rocker arm cover bolts if they are serviced with the grommet.
  2. Install a NEW gasket (504) into the valve rocker arm cover.

    3. Object Number: 1559860 Size: SH
  3. Install a NEW oil fill tube (423) to the valve rocker arm cover.
  4. Install the oil fill cap (424).

    5. Object Number: 260084 Size: SH
  5. Install the valve rocker arm cover onto the cylinder head.

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

  6. Install the cover bolts with grommets.

    7. Tighten
    Tighten the valve rocker arm cover bolts to 12 N·m (106 lb in).


    Object Number: 1402020 Size: SH
  7. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the ignition coil bolts (723).
  8. Install the ignition coils (722), wire harness (721), and bolts (723) to the bracket (719).

    9. Tighten
    Tighten the ignition coil bolts to 10 N·m (89 lb in).


    Object Number: 1402028 Size: SH
  9. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the ignition coil bracket studs (720).
  10. Install the ignition coil and bracket assembly (719) and studs (720).

    11. Tighten
    Tighten the bracket studs to 12 N·m (106 lb in).