GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion.

Important: If the in-line filter is plugged, internally inspect the fuel tank . Clean the tank, if necessary.

    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. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  3. Have a dry chemical Class B fire extinguisher nearby.


    Object Number: 66055  Size: SH
  4. Turn the filter housing counterclockwise and allow the fuel remaining in the filter housing to drain into an approved container.
  5. Remove the fuel filter housing and the gasket from the base.
  6. Remove the fuel filter cartridge.
  7. Inspect the inside of the housing for signs of rust or for corrosion. Discard the housing if rust or corrosion is present.

Installation Procedure

  1. Install a new housing gasket.
  2. Apply a few drops of clean engine oil to the gasket.


    Object Number: 66055  Size: SH
  3. Install the new filter cartridge.
  4. Connect the housing to the base.
  5. Tighten

        • Tighten the filter housing until the gasket seats.
        • Tighten the filter housing 3/4 of a turn after the gasket contacts.
  6. Install the negative battery cable.
  7. Inspect for fuel leaks.
  8. 5.1. Turn ON the ignition for 2 seconds.
    5.2. Turn OFF the ignition for 10 seconds.
    5.3. Again, turn the ignition to the ON position.
    5.4. Inspect for fuel leaks.