GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 Engine 🢒 Engine Controls - 7.4L 🢒 Engine Front Cover Removal

    Object Number: 183589 Size: SH
  1. Remove the crankshaft position sensor bolt.
  2. Remove the crankshaft position sensor.
  3. Remove the O-ring seal from the crankshaft position sensor.
  4. Discard the O-ring seal.

    5. Object Number: 342207 Size: SH
  5. Remove the engine front cover bolts (1).

    6. Object Number: 279805 Size: SH

    Important: The engine front cover gasket is reusable if not cut or damaged.

  6. Remove the engine front cover.
  7. Remove the engine front cover gasket.
  8. Remove the crankshaft front oil seal from the engine front cover.