GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 27617  Size: SH
  1. Open air bleed valve (2) on top of the fuel manager/filter to release any pressure in the fuel supply system.
  2. Remove the mounting bolts that connect the fuel manager/filter to the intake manifold and move the fuel manager/filter to a position that enables access to the sensor mounting screws.
  3. Remove the sensor wiring harness.
  4. Remove the sensor mounting screws (7) .
  5. Remove the sensor (6).

Installation Procedure


    Object Number: 27617  Size: SH
  1. Install new water in fuel sensor (6) and a new water in fuel sensor seal (5).
  2. Install the mounting screws.
  3. Tighten
    Tighten the mounting screws to 2 N·m (13 lb in).

  4. Install the fuel manager/filter to the intake manifold with mounting bolts.
  5. 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.

    Tighten
    Tighten the mounting bolts to 25 N·m(18 lb ft).

  6. Bleed air from fuel manager/filter if necessary (Refer to Fuel Supply System Air Bleed .