GM Service Manual Online
For 1990-2009 cars only

Valve Rocker Arm Cover Removal - Left Side 7.0L


    Object Number: 1408865  Size: SH
  1. Remove the spark plug wires (724), as required.
  2. Remove the ignition coil bracket studs (720).
  3. Remove the ignition coil and bracket assembly (719).

  4. Object Number: 1402020  Size: SH
  5. Disconnect the ignition coil electrical connectors.
  6. Remove the bolts (723), coils (722), and wire harness (721) from the bracket, as required.

  7. Object Number: 1552537  Size: SH
  8. Remove the valve rocker arm cover bolts (516) and cover (505).
  9. Remove and discard the valve rocker arm cover gasket, valve rocker arm cover grommets and valve rocker arm cover bolts if they are serviced with the grommet.

  10. Object Number: 1272820  Size: SH
  11. Remove the gasket (504) from the cover.

Valve Rocker Arm Cover Removal - Left Side 6.2L


    Object Number: 1408865  Size: SH
  1. Remove the spark plug wires (724), as required.
  2. Remove the ignition coil bracket studs (720).
  3. Remove the ignition coil and bracket assembly (719).

  4. Object Number: 1402020  Size: SH
  5. Disconnect the ignition coil electrical connectors.
  6. Remove the bolts (723), coils (722), and wire harness (721) from the bracket, as required.

  7. Object Number: 1559858  Size: SH
  8. Remove the valve rocker arm cover bolts (516) and cover (505).
  9. Remove and discard the valve rocker arm cover gasket, valve rocker arm cover grommets and valve rocker arm cover bolts if they are serviced with the grommet.

  10. Object Number: 1272820  Size: SH
  11. Remove the gasket (504) from the cover.