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Fuel Level Sensor: Removal

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Unscrew the fuel filler cap to release pressure inside the tank. See Figure.
  2. Release fuel pressure from the fuel lines.
    NOTE: For fuel pressure release, see RELIEVING FUEL PRESSURE under FUEL SYSTEM in SYSTEM & COMPONENT TESTING article, for Fuel Pressure, see CHECKING FUEL PRESSURE in BASIC DIAGNOSTIC PROCEDURES article.
  3. Remove the rear seat bottom. Pull the lock at the bottom of the seat cushion forward, one on either side, and pull the seat cushion upward to release the wire from the plastic hook, then pull the seat cushion forward to remove. See Figure.
  4. Remove the fuel pump inspection hole cover. See Figure.
  5. Disconnect the harness connector, and fuel feed hose from the fuel level sensor unit, fuel filter, and fuel pump assembly. Hold the sides of the connector, push in the tabs and pull out the tube. See Figure. If the connector and the tube are stuck together, push and pull several times until they start to move. Then disconnect them by pulling.
      CAUTION: The tube can be removed when the tabs are completely depressed. Do not twist it more then necessary.
      • Do not use any tools to remove the quick connector.
      • Keep the resin tube away from heat. Be especially careful when welding near the tube.
      • Prevent acid liquid such as battery electrolyte, etc., from getting on the resin tube.
      • Do not bend or twist tube during installation and removal.
      • Only when the tube is replaced, remove the remaining retainer on the tube or fuel level sensor, fuel filter, and fuel pump assembly.
      • When the tube or fuel level sensor, fuel filter, and fuel pump assembly is replaced, also replace the retainer with a new one, green colored retainer.
      • To keep the connecting portion clean and to avoid damage and foreign materials, cover them completely with plastic bags or something similar.
  6. Using a lock ring wrench, remove the lock ring. See Figure.
    7. CAUTION: Do not bend the float arm during removal.
  7. Remove the fuel level sensor, fuel filter, and fuel pump assembly. See Figure.
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