GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Engine 🢒 Engine Controls and Fuel - 3.8L 🢒 Fuel Level Sensor Replacement

Fuel Level Sensor Replacement RPO NT7

Removal Procedure

Caution: Fuel Vapors can collect while servicing fuel system parts in enclosed areas such as a trunk. To reduce the risk of fire and increased exposure to vapors:

   • Use forced air ventilation such as a fan set outside of the trunk.
   • Plug or cap any fuel system openings in order to reduce fuel vapor formation.
   • Clean up any spilled fuel immediately.
   • Avoid sparks and any source of ignition.
   • Use signs to alert others in the work area that fuel system work is in process.


    Object Number: 1671973 Size: SH
  1. Remove the fuel sender. Refer to Fuel Sender Assembly Replacement .
  2. Release the fuel level sensor electrical connector clip.
  3. Disconnect the fuel level sensor electrical connector (1) from under the fuel sender cover.
  4. Release the locking tab (2) and slide the fuel level sensor (3) down off of the bucket.

Installation Procedure

    Object Number: 1671973 Size: SH
  1. Slide the fuel level sensor (3) up onto the bucket, gently lift up on the locking tab (2) and continue sliding the sensor up until it engages the tab.
  2. Connect the fuel level sensor electrical connector (1) under the sender cover. Push up the connector until the clip engages.
  3. Install the fuel sender. Refer to Fuel Sender Assembly Replacement .

Fuel Level Sensor Replacement RPO NU6

Removal Procedure

Caution: Fuel Vapors can collect while servicing fuel system parts in enclosed areas such as a trunk. To reduce the risk of fire and increased exposure to vapors:

   • Use forced air ventilation such as a fan set outside of the trunk.
   • Plug or cap any fuel system openings in order to reduce fuel vapor formation.
   • Clean up any spilled fuel immediately.
   • Avoid sparks and any source of ignition.
   • Use signs to alert others in the work area that fuel system work is in process.


    Object Number: 1755114 Size: SH
  1. Remove the fuel sender. Refer to Fuel Sender Assembly Replacement .
  2. Release the fuel level sensor electrical connector clip.
  3. Disconnect the fuel level sensor electrical connector (1) from under the fuel sender cover.
  4. Release the locking tab (2) and slide the fuel level sensor (3) down off of the bucket.

Installation Procedure

    Object Number: 1755114 Size: SH
  1. Slide the fuel level sensor (3) up onto the bucket, gently lift up on the locking tab (2) and continue sliding the sensor up until it engages the tab.
  2. Connect the fuel level sensor electrical connector (1) under the sender cover. Push up the connector until the clip engages.
  3. Install the fuel sender. Refer to Fuel Sender Assembly Replacement .