GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, and 6.0L 🢒 Valve Rocker Arm Cover Removal - Right Side

    Object Number: 825840 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
  3. Remove the valve rocker arm cover bolts.
  4. Remove the valve rocker arm cover.

    5. Object Number: 490696 Size: SH
  5. Remove the gasket (1) from the cover.
  6. Discard the gasket.

    7. The bolt grommets may be used again if not damaged.


    Object Number: 260110 Size: SH
  7. Remove the oil fill cap from the oil fill tube.
  8. Remove the oil fill tube, if required.
  9. Discard the oil fill tube.