GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 3.9L 🢒 Valve Rocker Arm Cover Installation - Left Side

    Object Number: 1821624 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: 1821625 Size: SH
  6. Install two NEW positive crankcase ventilation (PCV) tube O-rings.

    7. Object Number: 1821628 Size: SH
  7. Install the fresh air tube.