GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1997 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Mechanical - 7.4L 🢒 Engine Block Disassemble
  1. Remove the cooling jacket plugs by using the following procedure:
    2. 1.1. Obtain a suitable self-threading screw.
    1.2. Drill a hole into the plug.
    1.3. Install the self-threading screw.
    1.4. Remove the jacket plugs.

    Object Number: 66327 Size: MH
  2. Remove the oil gallery plugs.
  3. Remove the fuel pump/oil pressure switch.
  4. Remove the knock sensor.

    5. Object Number: 70415 Size: SH
  5. Remove the oil filter adapter using the following procedure (4WD only):
    6. 5.1. Remove the pipe plugs from the oil filter adapter.
    5.2. Remove the bolts from the oil filter adapter.
    5.3. Remove the oil filter adapter and the seal.

    Object Number: 70416 Size: SH
  6. Remove the oil filter fitting (2WD only).

    7. Object Number: 70414 Size: SH
  7. Remove the oil bypass valves. Discard the valves.