NOTE: Carefully install the Fuel Tank Sender Unit lock ring wrench to avoid damage to the fuel level sensor when removing the lock ring.
13. Using the special tool remove the fuel level sensor lock ring.
Use Special Service Tool: 310-123 Locking Ring, Fuel Tank.
NOTE: The fuel level sensor must be handled carefully to avoid damage to the float arm.
14. Position the fuel level sensor aside. Using the Fuel Storage Tanker, completely drain the RH saddle of the fuel tank.
NOTE: Inspect the surfaces of the Fuel Level Sensor flange and fuel tank O-ring
Original technical text and illustrations, formatted as HTML. Follow the engine, transmission, equipment, model and year specified in the source. Import and layout checks do not establish applicability to every 2015–2017 Mustang. About this collection.