GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 55489  Size: SH
  1. Loosen the upper intake manifold cover bolts.
  2. Remove the upper intake manifold cover.

  3. Object Number: 55503  Size: SH
  4. Open the air bleed valve on top of the fuel manager/filter to release any pressure in the fuel supply system.

  5. Object Number: 55513  Size: SH
  6. Remove the mounting bolts that connect the fuel manager/filter to the intake manifold.

  7. Object Number: 55514  Size: SH
  8. Remove the wiring harnesses and the fuel hoses.
  9. Remove the fuel manager/filter by lifting straight up.

  10. Object Number: 55496  Size: SH
  11. Remove the sensor mounting screws.

  12. Object Number: 55517  Size: SH
  13. Remove the sensor.

Installation Procedure


    Object Number: 55517  Size: SH
  1. Install the new water in fuel sensor and a new water in fuel sensor seal.

  2. Object Number: 55496  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the sensor mounting screws.
  4. Tighten
    Tighten the mounting screws to 2 N·m (13 lb in).


    Object Number: 55514  Size: SH
  5. Position the fuel manager/filter to the intake manifold.
  6. Install the wiring harnesses and fuel hoses.

  7. Object Number: 55513  Size: SH
  8. Install the mounting bolts that connect the fuel manager/filter to the intake manifold.
  9. Tighten
    Tighten the mounting bolts to 25 N·m (18 lb ft).

  10. Bleed the air from fuel manager/filter if necessary (Refer to Fuel Feed Pipe and Return Pipe Purging .

  11. Object Number: 55489  Size: SH
  12. Install the upper intake manifold cover.
  13. Install the upper intake manifold cover bolts.
  14. Tighten
    Tighten the upper intake manifold cover bolts to 11 N·m (100 lb in).