1997-2001 Jeep Cherokee Fuel Pump Module Replacement XJ step by step

Introduction

This tutorial guides you through the process of replacing the fuel pump module in a 1997-2001 Jeep Cherokee XJ. Whether you're experiencing fuel delivery issues or simply want to perform maintenance, this step-by-step guide will help you successfully replace the Bosch fuel pump module. The procedure is applicable to all 1997+ XJ models.

Step 1: Gather Necessary Tools and Materials

Before you start the replacement process, ensure you have the following tools and materials on hand:

• New Bosch fuel pump module
• Socket set (including extensions)
• Screwdrivers (flathead and Phillips)
• Pliers
• Fuel line disconnect tool
• Shop towels
• Safety glasses and gloves

Step 2: Relieve Fuel System Pressure

To prevent fuel from spraying, it's important to relieve the pressure in the fuel system:

1. Locate the fuel pump relay in the fuse box.
2. Start the engine and let it run until it stalls, indicating the pressure has been relieved.
3. Turn off the ignition and disconnect the negative battery terminal.

Step 3: Access the Fuel Pump Module

To replace the fuel pump module, you’ll need to access it:

1. Remove the rear seat for easier access to the fuel pump access panel.
2. Locate and unscrew the access panel covering the fuel pump.
3. Carefully lift the panel to expose the fuel pump module.

Step 4: Disconnect the Fuel Pump Module

Now that you have access to the module, follow these steps to disconnect it:

1. Disconnect the electrical connector from the fuel pump.
2. Use the fuel line disconnect tool to detach the fuel lines from the module.
3. Be prepared with shop towels to catch any fuel that may spill.

Step 5: Remove the Old Fuel Pump Module

With the module disconnected, proceed to remove it:

1. Unscrew any retaining screws that hold the fuel pump module in place.
2. Carefully lift the old fuel pump module out of the tank.

Step 6: Install the New Fuel Pump Module

Now it's time to install the new module:

1. Place the new Bosch fuel pump module into the tank.
2. Secure it by tightening the retaining screws.
3. Reconnect the fuel lines and electrical connector, ensuring they are secure.

Step 7: Reassemble and Test

With the new module in place, follow these final steps:

1. Replace the access panel and reattach the rear seat.
2. Reconnect the negative battery terminal.
3. Turn the ignition to the "ON" position (do not start the engine) to prime the fuel system. Listen for the pump to activate.
4. Start the engine and check for leaks around the fuel pump module.

Conclusion

Replacing the fuel pump module in your 1997-2001 Jeep Cherokee XJ is a manageable task with the right tools and steps. Remember to always relieve fuel system pressure before beginning any work and take necessary safety precautions. Once the new module is installed and tested, you should notice improved fuel delivery and performance. If you encounter issues, consider consulting a professional mechanic for further assistance.