Replacing Fuel Pump Driver Module: Step-By-Step Guide

Replacing a fuel pump driver module can be a straightforward process, but it depends on the make and model of your car. For example, in some Ford Taurus models, the fuel pump driver module is located in the trunk under the back seat on the passenger side, whereas in other cars, it is located underneath the vehicle. The first step in replacing the fuel pump driver module is to locate it and then to remove the necessary parts to access it. Once you have accessed the fuel pump driver module, you can remove the old module and install the new one, usually by removing and replacing the mounting nuts and bolts.

How to Replace a Fuel Pump Driver Module

Lower the spare tire to access the fuel pump driver module

Lowering the spare tire is a crucial step in accessing the fuel pump driver module for replacement or repair. The process can vary depending on the vehicle's make and model, but here is a detailed guide on how to lower the spare tire to access the fuel pump driver module:

Locate the Spare Tire: The first step is to identify where the spare tire is located. In most vehicles, the spare tire is placed in the trunk or at the rear of the vehicle. If you're unsure, refer to your car's user manual for the exact location.

Gather the Necessary Tools: Before starting, ensure you have the right tools for the job. You may need a lug wrench or a car jack, depending on how the spare tire is secured. Having gloves and a flashlight on hand is also recommended for safety and better visibility.

Secure the Vehicle: Park your car on level ground and engage the parking brake. If possible, place chocks or blocks behind the driving wheels for added safety. Refer to your car's manual for any specific instructions or precautions.

Access the Spare Tire: Open the trunk or rear hatch and locate the spare tire. In some cases, you may need to remove a cover or carpeting to access the spare tire compartment. If your vehicle has a spare tire mounted externally, you may need to remove it before proceeding.

Lower the Spare Tire: If the spare tire is mounted on a cable or winch system, follow these steps:

• Locate the crank or winch mechanism.
• Use the crank to lower the spare tire slowly.
• Ensure the tire is lowered enough to access the fuel pump driver module.

If the spare tire is secured with bolts or a car jack, follow these steps:

• Loosen the lug nuts on the spare tire using a lug wrench before jacking up the car.
• Place the car jack in the designated lift point near the tire to be removed.
• Raise the vehicle slowly until the tire is off the ground.
• Completely remove the lug nuts and carefully lower the spare tire.

Once the spare tire is lowered, you should be able to see and access the fuel pump driver module, which is typically located on the rear crossrail above the spare tire or on the rear frame wall. Refer to your car's repair manual for specific information about the location of the fuel pump driver module in your vehicle.

Remember to exercise caution during the entire process and follow all safety guidelines provided by your vehicle's manufacturer. Working on a car can be dangerous if not done properly, so ensure you have the necessary skills and knowledge before proceeding.

Remove the electrical connector

Removing the electrical connector from your fuel pump driver module can be a tricky process, but it is important to do it carefully to avoid any damage. Here is a step-by-step guide to help you through the process:

First, locate the electrical connector. It is usually found near the fuel pump driver module, which is often located in the trunk under the back seat on the passenger side or underneath the vehicle. Before you begin, make sure you have the necessary tools, such as a 13-millimeter socket wrench, needle-nose pliers, or a small flathead screwdriver.

Next, inspect the electrical connector to identify any locking mechanisms or tabs. Some connectors have locking tabs or clips that need to be released before you can disconnect them. Look for a release lever tab or a red lock clip that needs to be slid into the unlocked position. If the locking tab is broken, you may need to carefully pry it open with a small flathead screwdriver or use a Dremel tool to cut it away. Be very cautious when using tools near the connector to avoid accidental damage.

If your connector has an orange or white tab, try to slide or squeeze it and then pull. You may need to apply some force, but be careful not to break the tab. In some cases, you may need to lift the tab outward or push it inward to release the connector. If the tab is stuck due to corrosion or grime, try spraying it with a cleaning agent like brake cleaner or WD-40 to help loosen it.

In certain cases, you may need to apply pressure to both the top and bottom of the tab simultaneously to release the lock. This can be tricky, so consider using specialised tools like curved tip needle-nose pliers or a pick and lift tool to help you access and depress both tabs at the same time. You can also try flexing the line to get better access to the connector.

Finally, once you have released the locking mechanism, carefully pull the electrical connector away from the fuel pump driver module. Be gentle, as the wires and plastic components can be brittle and prone to breakage. If necessary, wiggle the connector gently to help release it.

Remember to take your time and work carefully to avoid any damage to the electrical connector or the fuel pump driver module. If you are unsure or uncomfortable at any point, consider seeking the assistance of a professional mechanic.

Remove mounting nuts

To remove the mounting nuts, you will need to first locate the fuel pump driver module. Depending on your vehicle, it may be located in the trunk under the back seat on the passenger side, or underneath the vehicle, either on the rear Crossrail above the spare tire or on the rear frame wall.

Once you have located the fuel pump driver module, you can begin the process of removing the mounting nuts. If the module is located in the trunk, you will need to remove the back seat cushion and backrest to access the mounting nuts. For modules located underneath the vehicle, you will need to lower the spare tire to access the mounting nuts.

Using a 13-millimeter socket wrench, squeeze the locking tab and remove the electrical connector. You can then remove the mounting nuts on both sides of the module. It may be helpful to have a container ready to place the mounting nuts in so that they are not lost during the replacement process.

With the mounting nuts removed, you can now carefully lift and remove the old fuel pump driver module. Be sure to handle it with care as it is made of delicate components. Place the old module on a clean, flat surface, ready for disposal or recycling.

Now that the mounting nuts have been successfully removed, you can continue with the next steps of the replacement process, which may include cleaning the area, preparing the new module, and reattaching any necessary components.

Place mounting bolts through the module's holes

To place mounting bolts through the module's holes, begin by lowering the spare tire. Once you have done this, the fuel pump driver module will be easily accessible underneath the vehicle. Depending on your car's make and model, the fuel pump driver module will either be located on the rear crossrail above the spare tire or on the rear frame wall.

For this example, we will assume the module is located on the crossrail. First, squeeze the locking tab and then remove the electrical connector using a 13-millimetre socket wrench. Next, remove the mounting nuts on both sides and take out the old module. Now, take your new module and place the mounting bolts through the mounting holes. Slide the capped rubber standoffs over the bolts. Align the module with its original position and screw the bolts until the rubber standoffs are compressed and the module is secure. Finally, reattach the electrical connector, and the installation process is complete.

Reattach the electrical connector

Reattaching the electrical connector is a simple process, but it is important to ensure that it is done correctly and securely.

First, locate the electrical connector. It should be easily accessible underneath the vehicle, either on the rear Crossrail above the spare tire or on the rear frame wall. Once you have located the connector, use a 13-millimeter socket wrench to squeeze the locking tab and remove it.

Next, take the new fuel pump driver module and align it with the mounting bolts. Ensure that the capped rubber standoffs are slid over the bolts before tightening them. This will help to protect the module from corrosion and damage.

Once the module is securely in place, you can reattach the electrical connector. Ensure that it is securely attached before moving on to the next step.

Finally, check that all connections are secure and test the fuel pump to ensure it is functioning correctly. It is important to follow the correct procedure to avoid damage or injury.

Frequently asked questions