Because of the complexity and safety risks involved (working with fuel is dangerous!), it's strongly recommended to have a qualified mechanic perform this replacement. Improper handling of fuel can lead to fire or explosion.
However, if you're determined to do it yourself, here's a general outline of the steps involved. Again, proceed with extreme caution and at your own risk.
1. Safety First: Disconnect the negative battery cable. This reduces the risk of sparks igniting fuel vapors. Work in a well-ventilated area away from any open flames or ignition sources. Have appropriate safety equipment, including gloves and eye protection.
2. Prepare the Vehicle: Raise the vehicle securely on jack stands. You will need ample room to work underneath.
3. Drain the Fuel Tank: This is crucial to reduce the amount of fuel you're working with and minimize the risk of spillage. There's usually a drain plug at the bottom of the tank, but its location varies and may require additional steps to access. Consult a repair manual for specifics.
4. Access the Fuel Tank: You will likely need to remove the fuel tank straps and possibly parts of the exhaust system to lower the tank. Refer to a repair manual for the precise steps.
5. Disconnect Fuel Lines: Once the tank is lowered enough, carefully disconnect the fuel lines. Use fuel line clamps or disconnect tools to avoid damaging the lines. Have rags ready to absorb any spilled fuel.
6. Remove the Fuel Pump Assembly: The fuel pump assembly contains the fuel filter. Access and removal method varies slightly across models. A repair manual will provide the specific steps.
7. Replace the Fuel Filter: Once the fuel pump assembly is out, you can replace the fuel filter. Take note of its orientation and carefully install the new filter in the same position.
8. Reassembly: Reinstall the fuel pump assembly, reconnect the fuel lines, secure the tank back in place, reconnect the exhaust (if removed), and lower the vehicle.
9. Reconnect the Battery: Reconnect the negative battery cable.
10. Prime the Fuel System: This is often done using the vehicle's ignition system, cycling the key several times before trying to start the engine. Consult a repair manual for specific instructions.
Crucial Information:
* Repair Manual: A repair manual specific to your 2001 Chevy Malibu is absolutely essential. It will provide detailed diagrams, step-by-step instructions, and torque specifications to ensure you do the job correctly and safely.
* Fuel Line Disconnect Tools: These are specialized tools to help safely disconnect the fuel lines without damaging them.
* Fuel Pressure: There is residual fuel pressure in the system. Failure to properly relieve pressure can result in fuel spraying during the process. A repair manual will provide steps on how to properly do this.
Again, this is a complex task. Unless you have significant automotive experience, seek professional assistance. The cost of a professional repair is far less than the potential cost of a fuel fire or injury.