GM Service Manual Online
For 1990-2009 cars only

Fuel Level Sensor Replacement 1500 Series

Removal Procedure


    Object Number: 1704575  Size: SH
  1. Remove the fuel tank module. Refer to Fuel Tank Fuel Pump Module Replacement .
  2. Using a small pick like tool, push in the retainer (1) in order to disengage the electrical connector.
  3. Remove the fuel level sensor electrical connector from the module cover.
  4. Push the level sensor locking tangs (2) in towards the inside of the module bucket.

  5. Object Number: 1341846  Size: SH
  6. Slide the fuel level sensor up.

  7. Object Number: 1704577  Size: SH
  8. Remove the fuel level sensor from the module.

Installation Procedure


    Object Number: 1704577  Size: SH
  1. Install the fuel level sensor to the module.

  2. Object Number: 1341846  Size: SH
  3. Position and slide the fuel level sensor down.

  4. Object Number: 1704575  Size: SH
  5. Ensure that the level sensor tangs (2) are engaged at the bucket.
  6. Install the fuel level sensor electrical connector to the module cover.
  7. Ensure that the retainer (1) engaged the module cover.
  8. Install the fuel tank module. Refer to Fuel Tank Fuel Pump Module Replacement .

Fuel Level Sensor Replacement 1500 Series w/E85

Removal Procedure


    Object Number: 1823400  Size: SH
  1. Remove the fuel tank module. Refer to Fuel Tank Fuel Pump Module Replacement .
  2. Disengage the retainers and slide the fuel level sensor up.
  3. Remove the fuel level sensor from the module.
  4. Disconnect the fuel level sensor electrical connectors (1).

Installation Procedure


    Object Number: 1823400  Size: SH
  1. Connect the fuel level sensor electrical connectors (1).
  2. Install the fuel level sensor to the module.
  3. Position and slide the fuel level sensor down until the retainers engage the sensor.
  4. Install the fuel tank module. Refer to Fuel Tank Fuel Pump Module Replacement .

Fuel Level Sensor Replacement 2500 - 98.4L (26 gal) Tank - Front

Removal Procedure


    Object Number: 1705918  Size: SH
  1. Remove the fuel tank module. Refer to Fuel Tank Fuel Pump Module Replacement .
  2. Disconnect the fuel level sensor electrical connector (1) from under the module cover.

  3. Object Number: 1705920  Size: SH
  4. Release the fuel level sensor retaining clip (1).
  5. Slide the fuel level sensor down off of the bucket.

Installation Procedure


    Object Number: 1705920  Size: SH
  1. Slide the fuel level sensor up onto the bucket until the sensor engages the retaining tab (1).

  2. Object Number: 1705918  Size: SH
  3. Connect the fuel level sensor electrical connector (1) under the module cover.
  4. Install the fuel tank module. Refer to Fuel Tank Fuel Pump Module Replacement.

Fuel Level Sensor Replacement 2500 - 43.5L (11.5 gal) Tank - Rear

Removal Procedure


    Object Number: 1705922  Size: SH
  1. Remove the fuel tank module. Refer to Fuel Tank Fuel Pump Module Replacement.
  2. Disconnect the fuel level sensor electrical connector (3) from under the module cover.
  3. Release the level sensor retaining clip (1).
  4. Slide the fuel level sensor (2) down off the bucket.

Installation Procedure


    Object Number: 1705922  Size: SH
  1. Slide the fuel level sensor (2) up onto the bucket until the sensor engages the retaining tab (1).
  2. Connect the fuel level sensor electrical connector (3) under the module cover.
  3. Install the fuel tank module. Refer to Fuel Tank Fuel Pump Module Replacement.