Here's a general overview of the process. Remember to prioritize safety:
1. Safety First: Disconnect the negative battery terminal. This is crucial to prevent sparks near flammable fuel vapors. Work in a well-ventilated area. Consider using safety glasses and gloves.
2. Prepare the Vehicle: Raise the rear of the vehicle securely using jack stands. Never work under a vehicle supported only by a jack.
3. Remove the Fuel Tank Straps: Locate the fuel tank straps (usually at least two) and carefully loosen and remove them. These straps may be bolted or held in place by clips; consult a repair manual for specifics.
4. Disconnect Fuel Lines: You'll need to disconnect the fuel lines leading to and from the fuel tank. There will be at least two lines: a supply line and a return line. Before disconnecting, relieve pressure in the fuel system. This can often be done by starting the engine and running it until it stalls, or by using a fuel pressure release tool. Once the pressure is relieved, use appropriate fuel line disconnect tools to safely separate the lines. Have rags ready to absorb any spilled fuel. Mark the fuel lines clearly so you know how to reconnect them later.
5. Disconnect the Electrical Connector: Locate the electrical connector for the fuel pump and carefully disconnect it.
6. Lower the Fuel Tank: Carefully lower the fuel tank. This usually involves supporting it with straps or a jack to avoid dropping it and damaging the tank or lines. Again, consult your repair manual for specific instructions.
7. Access the Fuel Pump: Once the tank is lowered, you'll typically find the fuel pump assembly at the top of the tank. It's usually held in place by a retaining ring or bolts.
8. Replace the Fuel Pump (if necessary): Once the retaining ring or bolts are removed, you can carefully remove the fuel pump assembly. Installation is the reverse of removal.
9. Reassemble: Once the new pump (if replacing) is installed, reassemble everything in reverse order. Ensure all fuel lines and electrical connections are securely fastened. Reconnect the fuel tank, ensuring the straps are properly secured.
10. Lower the Vehicle: Carefully lower the vehicle.
11. Reconnect the Battery: Reconnect the negative battery terminal.
12. Check for Leaks: Inspect all connections for leaks.
Important Considerations:
* Repair Manual: A repair manual specific to your 1999 Ford Explorer is highly recommended. It will provide detailed diagrams and instructions.
* Tools: You'll need various tools, including wrenches, sockets, jack stands, and potentially fuel line disconnect tools.
* Fuel Safety: Fuel is highly flammable. Take all necessary precautions to avoid fire or explosion.
* Professional Help: If you're not comfortable performing this repair, take your vehicle to a qualified mechanic.
This is a simplified overview. The exact procedure may vary slightly depending on your specific model and trim level. Always consult a repair manual for accurate and detailed instructions. Incorrectly performing this repair could lead to serious injury or damage to your vehicle.
