GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 3.5L 🢒 Valve Rocker Arm Cover Installation - Right Side

    Object Number: 1557668 Size: SH
  1. Install NEW valve rocker arm cover grommets and use NEW valve rocker arm cover bolts if they are serviced with the grommet.

    2. Note: All gasket-mating surfaces need to be free of oil and foreign material. Use GM P/N 12346139 (Canadian P/N 10953463) or equivalent to clean surfaces.

  2. Install the valve rocker arm cover gasket into the valve rocker arm cover.

    3. Object Number: 190588 Size: SH
  3. Apply sealer GM P/N 12378521 (Canadian P/N 88901148) or equivalent to the surfaces where the cylinder head and intake manifold meet (1).
  4. Install the valve rocker arm cover.

    5. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the valve rocker arm cover bolts, if necessary, and tighten to 10 N·m (89 lb in).

    6. Object Number: 1557664 Size: SH
  6. Install the fresh air tube into the valve rocker arm cover.

    7. Object Number: 1557662 Size: SH
  7. Install the ignition coil assembly studs, if necessary, and tighten to 25 N·m (18 lb ft).
  8. Install the ignition coil assembly.
  9. Install the ignition coil assembly bolts and nuts and tighten to 25 N·m (18 lb ft).