GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 4WD 🢒 Engine 🢒 Engine Mechanical - 7.4L 🢒 Valve Rocker Arm Cover Removal

Valve Rocker Arm Cover Removal Left


    Object Number: 173187 Size: SH
  1. Remove the Positive Crankcase Ventilation Valve (PCV) and crankcase ventilation tube.

    2. Object Number: 354009 Size: SH
  2. Remove the valve rocker arm cover bolts.
  3. Remove the spark plug wiring harness bracket(s).

    4. Object Number: 354006 Size: SH
  4. Remove the valve rocker arm cover.

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

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

Valve Rocker Arm Cover Removal Right


    Object Number: 173189 Size: SH
  1. Remove the crankcase ventilation tube.

    2. Object Number: 354012 Size: SH
  2. Remove the valve rocker arm cover bolts.
  3. Remove the spark plug wiring harness bracket(s).

    4. Object Number: 354010 Size: SH
  4. Remove the valve rocker arm cover.

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

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