Home Tips & Tricks 1989 Mercedes Benz 300SE Fuel Delivery and Air Induction Service and Repair...

1989 Mercedes Benz 300SE Fuel Delivery and Air Induction Service and Repair Fuel Tank

59
Download WARNING: Observe fire safety precautions. 1. Disconnect the NEG. battery cable and insulate. 2. Remove the fuel filler cap and draw out all fuel. NOTE: The fuel tank capacity is approx. 24 gals. (90 liters). Fuel Tank View 3. 4. 5. 6. 7. 8. 9. 10. Remove the fuel filler neck cup seal (60/1). Remove the fuel tank partition wall at the front of the trunk. Detach the fuel gauge sending unit electrical connector. Disconnect the fuel supply line (69) and the return line (70). Detach the vent valve (51). Unscrew tank fasteners (50/3) Remove the fuel tank strainer (68) and clean Throughly. Lift out the fuel tank. NOTE: If the fuel tank is being replaced transfer the stick-on packings, the soundproofing strips and the fuel gauge sending unit to the new tank (note the correct position before removing). 11. Reinstall the fuel tank in reverse manner. NOTE: a. Renew seals (70/1) and (68/1). b. c. d. e. Verify that seals (71, 72) are correctly fitted. Torque the fuel supply line (69) to approx. 20 ft. lbs. (28 Nm). Torque the fuel return line (70) to approx. 25 ft. lbs. (35 Nm). Torque the fasteners (50/3) to approx. 15.5 ft. lbs. (21 Nm). Make sure washers (50/2) are in place. f. Torque the fuel strainer to approx. 28.5 ft. lbs. (39 Nm).