GM Service Manual Online
For 1990-2009 cars only

Valve Rocker Arm Cover Removal Left Side


    Object Number: 260083  Size: SH

    Important: Do not remove the ignition coils and bracket from the valve rocker arm cover unless required.

    Do not remove the Positive Crankcase Ventilation (PCV) valve grommet from the cover unless service is required.

  1. Remove the ignition coil bracket bolts from the rocker arm cover (if required).
  2. Remove the ignition coil and bracket assembly from the cover.

  3. Object Number: 260085  Size: SH
  4. Remove the valve rocker arm cover bolts.
  5. Remove the valve rocker arm cover.

  6. Object Number: 490696  Size: SH
  7. Remove the gasket (1) from the cover.
  8. Discard the gasket.
  9. The bolt grommets may be reused if not damaged.

Valve Rocker Arm Cover Removal Right Side


    Object Number: 260090  Size: SH

    Important: Do not remove the ignition coils from the valve rocker arm cover unless required.

    Do not remove the oil fill tube from the cover unless service is required.

    If the oil fill tube has been removed from the cover, install a NEW tube during assembly.

  1. Remove the ignition coil bracket bolts from the rocker arm cover (if required).
  2. Remove the ignition coil and bracket assembly from the cover.

  3. Object Number: 260084  Size: SH
  4. Remove the valve rocker arm cover bolts.
  5. Remove the valve rocker arm cover.

  6. Object Number: 490696  Size: SH
  7. Remove the gasket (1) from the cover.
  8. Discard the gasket.
  9. The bolt grommets may be reused if not damaged.


    Object Number: 260110  Size: SH
  10. Remove the oil fill cap from the oil fill tube.
  11. Remove the oil fill tube (if required).
  12. Discard the oil fill tube.