GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy P12 Chassis 🢒 Engine 🢒 Engine Mechanical - 7.4L 🢒 Valve Rocker Arm Cover Removal

Valve Rocker Arm Cover Removal Left


    Object Number: 354001 Size: SH
  1. Remove the ignition coil wiring harness from the ignition coils.

    2. Object Number: 351743 Size: SH
  2. Remove the valve rocker arm cover bolts.

    3. Object Number: 351740 Size: SH
  3. Remove the valve rocker arm cover.

    4. Important: The valve rocker arm cover gasket may be reused if not removed from valve rocker arm cover.

  4. Remove the valve rocker arm cover gasket if it is cut or damaged.

    5. Object Number: 276403 Size: SH
  5. Remove the ignition coils bolts and ignition coils from the valve rocker arm cover, if required.

Valve Rocker Arm Cover Removal Right


    Object Number: 258831 Size: SH
  1. Remove the ignition coil wiring harness from the ignition coils.

    2. Object Number: 180934 Size: SH
  2. Remove the ignition coil wiring harness bracket bolt and ignition coil wiring harness bracket from the valve rocker arm cover, if required.

    3. Object Number: 351811 Size: SH
  3. Disconnect the engine coolant temperature (ECT) sensor harness from the ECT sensor harness bracket and remove the ECT sensor from the cylinder head.

    4. Object Number: 351749 Size: SH
  4. Remove the valve rocker arm cover bolts.

    5. Object Number: 351746 Size: SH
  5. Remove the valve rocker arm cover.

    6. Important: The valve rocker arm cover gasket may be reused if not removed from valve rocker arm cover.

  6. Remove the valve rocker arm cover gasket if it is cut or damaged.

    7. Object Number: 181037 Size: SH
  7. Remove the ECT sensor harness bracket and ECT sensor harness bracket bolt from the valve rocker arm cover, if required.

    8. Object Number: 276400 Size: SH
  8. Remove the ignition coils bolts and ignition coils from the valve rocker arm cover, if required.