2003 Chevrolet Malibu Change the Fuel Filter

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The Chevrolet Malibu is a midsize sedan that has gone through numerous changes over the years. The 2003 was the last year model for that particular body style. The components did not change, even though the appearance did. The fuel system of the Chevrolet Malibu relies on a filtration system to keep the fuel clean of debris and sediments. Locating the fuel filter requires crawling under the vehicle and tracing out the fuel lines.

[edit] Tools Used

Tools
Crescent wrench
Socket wrench
Socket set
New Fuel Filter

[edit] Change the Fuel Filter

Removing the Fuel Filter

  • Disconnect the negative terminal of the battery.
  • Unscrew the gas cap from the fuel nozzle. This will depressurize the fuel system.
  • Locate the fuel tank underneath the car. The fuel tank is located in the back behind the back wheels.
  • Trace the fuel line coming from the fuel tank to the engine compartment, The filter will be located along the fuel line under the driver's side door.
  • Separate the tabs on the inlet side of the fuel filter. Pull the line off with your fingers. The inlet has a quick-disconnect fitting.
  • Unscrew the outlet line with a crescent wrench. Take the line off once it is loosened.
  • Unbolt the filter from the mounting bracket with a socket wrench. Take the filter off and dispose of it.

Installing the Fuel Filter

  • Mount the new filter to the mounting bracket. Ensure the arrow is facing toward the engine compartment. The arrow designates the flow direction of the fuel.
  • Screw the outlet line to the filter. Tighten with a crescent wrench.
  • Push the inlet line onto the filter. Push it until it clicks in place.
  • Connect the negative terminal back to the battery. Re-tighten the gas cap.
  • Start the car to listen for any hesitation. The car should idle smoothly with no hesitation or stalling.

[edit] Tips & Warnings

  • Replacing the fuel filter will usually cause the fuel in the fuel line to pour out. Prime the fuel pump by turning the ignition key to the "start" position, but do not crank the car. Allow the key to stay in this position for five seconds to let the fuel pump activate and push fuel through the line.
  • Use extreme caution when working around gasoline. It is highly flammable and toxic.
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