GM Service Manual Online
For 1990-2009 cars only

Fuel Filter Replacement Primary

Removal Procedure

  1. Relieve the fuel system pressure.
  2. If equipped, disconnect the sensor from the filter.
  3. If equipped, remove the water separator bowl.
  4. Remove the fuel filter from the fuel filter head.

  5. Object Number: 816399  Size: SH

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

  6. Inspect the fuel filter.

Installation Procedure


    Object Number: 816399  Size: SH
  1. Install the fuel filter.
  2. If equipped, install the water separator bowl.
  3. If equipped, connect the sensor connector.
  4. Inspect for leaks.