GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: If the in-line filter is plugged, inspect the fuel tank internally and clean the filter if necessary. Refer to Fuel System Cleaning .

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. 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.

  3. Disconnect the negative battery cable.

  4. Object Number: 403868  Size: SH
  5. Remove the fuel feed pipes at the filter (3).
  6. Remove the in-line filter clamp attaching hardware from the right side frame rail (1).
  7. Remove the clamp from the filter(3).

Installation Procedure

  1. Remove the protective caps from the new filter.
  2. Install the lamp to the filter.

  3. Object Number: 403868  Size: SH
  4. Install the in-line filter clamp attaching hardware.
  5. Install in same positions as on the old filter (3) observing the direction of the fuel flow arrow.

  6. Install the fuel feed pipes to the filter and tighten.
  7. Connect the negative battery cable.
  8. Check for fuel leaks using the following procedure:
  9. 6.1. Turn the ignition switch to ON position for 2 seconds.
    6.2. Turn the ignition switch to OFF for 10 seconds.
    6.3. Turn the ignition switch to ON position.
    6.4. Check for fuel leaks.