GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Silverado - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Valve Rocker Arm Cover Replacement - Left Side

Removal Procedure

    Object Number: 2056546 Size: SH
  1. Remove the engine wiring harness bracket bolt (1).
  2. Position the engine wiring harness bracket (2) and engine harness aside.

    3. Object Number: 782174 Size: SH
  3. Remove the engine wiring harness clip bolt (4).
  4. Disconnect the engine coolant temperature (ECT) sensor electrical connector (5).
  5. Reposition the engine wiring harness and bracket.
  6. Disconnect the power brake booster vacuum hose from the vacuum fitting.

    7. Object Number: 869710 Size: SH
  7. Remove the positive crankcase ventilation (PCV) valve hose from the valve cover and rocker cover.

    8. Object Number: 869729 Size: SH
  8. Remove the rocker arm cover bolts.
  9. Remove and discard the rocker arm cover bolt grommets, if necessary.
  10. Remove the rocker arm cover.

    11. Object Number: 328573 Size: SH
  11. Remove and discard the rocker arm cover gasket.
  12. Clean and inspect the rocker arm cover, if necessary. Refer to Valve Rocker Arm Cover Cleaning and Inspection.

Installation Procedure

    Object Number: 328573 Size: SH

    Note: Do not reuse the rocker cover gasket or the rocker arm cover bolt grommets.

  1. Install a NEW rocker arm cover gasket to the cover.
  2. Install NEW rocker arm cover bolt grommets to the cover, if necessary.

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


    Object Number: 869729 Size: SH
  3. Install the rocker arm cover.
  4. Install the rocker arm cover bolts.

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


    Object Number: 869710 Size: SH
  5. Install the PCV valve hose to the valve cover and rocker cover.
  6. Connect the power brake booster vacuum hose to the vacuum fitting.

    7. Object Number: 782174 Size: SH
  7. Position the engine wiring harness and bracket.
  8. Connect the ECT sensor electrical connector (5).
  9. Install the engine wiring harness clip bolt (4).

    10. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 2056546 Size: SH
  10. Install the engine wiring harness bracket (2).
  11. Install the engine wiring harness bracket bolt (1).

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