How to Change the Fuel Filter in a 1998 Chevy Truck


The fuel filter in a Chevrolet truck is vital to the life of the fuel system. The fuel pump--which is located in the fuel tank--suctions the gasoline through the fuel line and sends it to the fuel injection system. To ensure your acceleration is always at its peak performance, you will need to make sure the fuel lines are free of debris. Changing out your fuel filter will ensure all the debris and sediments are extracted from the line.

Things You'll Need

  • Crescent wrench
  • Socket wrench
  • Socket set
  • New fuel filter
  • Open the hood to access the engine compartment. Locate the fuse panel near the battery. Remove the fuse in the panel that is marked "fuel pump."

  • Start the truck and allow it to run until it stalls. This will take the pressure out of the fuel line.

  • Crawl under the vehicle on the driver side near the rear wheel. The filter will be mounted to the frame rail.

  • Loosen the fuel lines with a crescent wrench. Pull them away from the filter.

  • Unbolt the filter from the frame rail with a socket wrench. Pull the filter away from the truck.

  • Bolt the new filter to the frame rail. Ensure the arrow is facing toward the front of the truck. The arrow designates fuel flow.

  • Thread the inlet and outlet line to the fuel filter. Tighten it with a crescent wrench.

  • Plug the fuse back into the fuse panel. Turn the ignition key to the "Start" position, and then turn it back to the "Off" position. Repeat this process to prime the fuel back through the fuel line. Start the truck and allow it to run. Inspect the fuel line for leaks.

Tips & Warnings

  • Place a drain pan under the fuel line to catch any of the excess fuel that may pour out of the fuel line.
  • Use extreme caution when working with gasoline. Gasoline is toxic and flammable.

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  • Photo Credit pumping gas image by Mat Hayward from
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