GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1997 🢒 Century 🢒 Engine 🢒 Engine Controls - 3.1L 🢒 Fuel Tank Pressure Sensor Replacement

Removal Procedure

    Object Number: 65739 Size: SH
  1. Relieve the system fuel pressure. Refer to Fuel Pressure Relief .
  2. Remove the spare tire cover, the jack, and the spare tire.
  3. Remove the trunk liner. Refer to Body Rear End.
  4. Remove the (7) nuts retaining the fuel sender access panel.
  5. Remove the fuel sender access panel.
  6. Remove the electrical connector from the fuel tank vapor pressure sensor.

    7. Object Number: 50636 Size: SH
  7. Remove the fuel tank vapor pressure sensor (7) from modular fuel sender.

Installation Procedure

    Object Number: 50636 Size: SH
  1. Install the new fuel tank vapor pressure sensor (7) to modular fuel sender.

    2. Object Number: 65739 Size: SH
  2. Install the electrical connector to fuel tank vapor pressure sensor
  3. Install the fuel sender access panel.
  4. Install the (7) nuts retaining the fuel sender access panel.

    5. Tighten
    Tighten the fuel sender access panel nuts to 10 N·m(8 lb ft).

    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.

  5. Install the trunk liner. Refer to Body Rear End.
  6. Install the spare tire cover, the jack, and the spare tire.
  7. Refill tank.
  8. Install the negative battery cable.