GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC C-Series Medium Duty Truck B7 🢒 Engine 🢒 Engine Controls - 6.0L and 7.0L 🢒 Fuel Pump Strainer Replacement

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  3. Drain the fuel tank. Refer to Fuel Tank Draining .
  4. Remove the fuel tank. Refer to Fuel Tank Replacement .
  5. Remove the fuel tank sender assembly. Refer to Fuel Pump Replacement .

    6. Object Number: 318483 Size: SH
  6. Observe the position of the fuel pump strainer (3) on the fuel pump (4).
  7. Support the pump with one hand and grasp the strainer with the other hand.
  8. Rotate the strainer in one direction and pull off of the pump. Discard the strainer after the inspection.
  9. Inspect the fuel pump strainer. If the strainer is contaminated, replace the strainer and the fuel tank should be cleaned.
  10. Inspect the fuel pump inlet for dirt and debris. If you find any contaminants, replace the fuel pump. Refer to Fuel Pump Replacement .

Installation Procedure
  1. Push on the outer edge of the ferrule until the ferrule is fully seated.

    2. Object Number: 318483 Size: SH
  2. Support the pump (4) with one hand and position the new pump strainer (3) on the pump in the same position as observed during the disassembly.

    3. Important: Care should be taken not to fold over or twist the strainer, when installing the sender assembly as this will restrict fuel flow.

  3. Install the new seal, the fuel sender assembly, and the lock ring (8).

    4. Make sure the lock ring alignment holes fit over the tabs on the tank.

  4. Install the six washers and nuts (1) retaining the fuel sender assembly lock ring.
  5. Install the fuel tank. Refer to Fuel Tank Replacement .
  6. Replace the fuel removed from the tank.
  7. Connect the negative battery cable.
  8. Check for fuel leaks using the following procedure:
    9. 8.1. Turn the ignition switch to ON position for 2 seconds.
    8.2. Turn the ignition switch to OFF for 10 seconds.
    8.3. Turn the ignition switch to ON position.
    8.4. Check for fuel leaks.