How to Change the Gas Filter on Vehicles

by Contributing Writer; Updated June 12, 2017

The fuel filter on the Vehicles is the main component in the fuel cleaning process. The fuel filter is an in line canister type fuel filter that strains the gas before it reaches the engine. The canister fuel filter also has a fibered filter on the inside of the filter housing. When the gas reaches the fuel filter from the gas tank, it circulates through the fibered filter to strain these particles and debris from the gas.

Under The Hood:

 How to Change the Gas Filter on an Oldsmobile Bravada

Removing the Fuel Filter

Open the gas door and remove the gas cap. This will help to alleviate the pressure in the fuel line.

Crawl under the Bravado and trace the fuel line from the fuel tank. The filter is an in-line filter and attached to the fuel line.

Unsnap the fuel inlet line from the filter. The filter is equipped with a quick-connect fitting that can be unsnapped and pulled off the piping of the filter.

Remove the outlet line off the piping of the filter. This line can removed the same as the inlet line.

Unbolt the mounting bracket holding the filter in place with a socket wrench. The bracket is held in place by one bolt.

Replacing the Fuel Filter

Attach the new fuel filter to the mounting bracket and secure it to the frame. Tighten the bracket snugly with the socket wrench. Ensure the arrow on the filter is facing toward the front of the vehicle. The arrow indicates fuel flow direction.

Snap the inlet line on the filter. Push the line on to the piping of the filter till it clicks in place.

Connect the outlet line on the filter. This line will snap in place as well.

Screw the gas cap back on to the fuel door. Close the gas door.

Crank up the SUV and let it idle. Ensure there is no hesitation or stalling.

Items you will need

  • Socket wrench

  • Socket set

  • New fuel filter

 How to Change the Gas Filter on a Mercury Sable

Set the Mercury Sable's parking brake, put on your safety glasses and place wheel chocks in front of and behind the driver's side rear tire.

Disconnect the negative battery cable with the battery terminal wrench.

Jack up the passenger side of the Sable until you can safely place a jack stand under the frame as far forward as possible. Lower the Sable onto the jack stand.

Slide the drain pan under the area directly below the passenger side rear door and climb under the car in the same area. Bring the fuel filter removal tool and the new filter with you.

Insert the end of the filter removal tool into the plastic clip at the end of the fuel line and unseat the clip. You can use two pocket screwdrivers for this, but it is much harder. Also, be careful with the plastic clip. If you break it, you will need to replace the entire fuel line. Make sure the drain pan is under the filter before removing the line.

Slide the old filter out of its holder and set it in the drain pan.

Slide the new filter in place with the arrows on the filter pointing toward the engine, and reattach the fuel lines.

Slide back out from under the car and bring your tools, the drain pan and the old filter.

Jack the Sable back up enough to remove the jack stand and then lower the car back to the ground.

Reattach the negative battery cable.

Turn the key to the run position until you hear the fuel pump finish cycling. Turn the key back to the off position. Repeat this four times, and then start the Sable.

Items you will need

  • Safety glasses

  • 2 wheel chocks

  • Battery terminal wrench

  • Jack

  • Jack stand

  • Drain pan

  • Fuel filter removal tool (or two pocket screwdrivers)

  • New fuel filter

 How to Change the Gas Filter on a 2000 Yukon

Ensure the Yukon is parked on a flat and level surface. Open the hood for access to the engine compartment.

Locate the fuse panel behind the battery. Open the fuse panel by taking off the cover. Take the fuse for the fuel pump out by hand.

Start the truck and allow it to idle until it stalls. This will depressurize the fuel system. Turn the ignition to the "Off" position and take the key out. Insert the fuse back in the fuse panel.

Locate the gas filter under the truck. Follow the fuel line under the truck to the driver-side front door. The filter will be tucked away, bolted to the frame rail.

Unscrew the inlet line with a line wrench. Use a second line wrench to hold the filter still. Repeat to remove the outlet line.

Unbolt the filter from the frame rail with a socket wrench. Slide the filter out from the mounting bracket.

Position the new filter to the bracket and secure it with the socket wrench. The arrow on the filter needs to be pointing toward the front of the truck; this designates the direction of the fuel flow.

Tighten the fuel lines to the filter with a line wrench. Use a second line wrench to hold the filter still while tightening the line. The filter has a stationary nut for the line wrench to grip.

Start the truck to circulate the fuel in the fuel lines. The truck may not start right away, as there is air in the fuel lines. Bleed the air out by turning the ignition to the "Start" position and waiting for three seconds. The fuel pump will push fuel in the lines, pushing out the air. Once the air is pushed out of the lines, the truck will start.

Allow the truck to idle for five minutes. Inspect the filter for any leaks.

Items you will need

  • Line wrench set

  • Socket set

  • Socket wrench

  • New fuel filter

 How to Change the Gas Filter in a Buick Rendezvous

Raise and support the back end of the vehicle, using the floor jack and jack stands. Placement of the jack stands is very important. Place them securely on the frame out of the way of the work area but in a position to support the vehicle safely. Every year people are injured or killed by vehicles that fall off a jack. Jack stands prevent this.

Relieve the pressure in the fuel tank by loosening the fuel filler cap. Then loosen the flare type fitting on the fuel filter with the metric wrenches and catch any fuel in a drain pan. Allow the fuel to drain for a few minutes to avoid getting fuel on you while you finish removing the filter.

Release the quick-disconnect fitting on the filter by pushing in on the fuel line while you squeeze the release tabs. When the tabs click and release, then pull the line off the filter. Remove the flare type fitting that was loosened in Step 2, and remove the bolt holding the filter bracket to the frame.

Remove the old filter from the bracket and insert the new filter in the bracket. Start the nut on the flare fitting into the new filter, but do not tighten it. Bolt the bracket and filter to the frame and plug the quick-disconnect fitting on to the new filter by pushing until it clicks into place. Tighten the flare fitting.

Lower the vehicle off the jack stands with the floor jack, and then carefully lower the vehicle to the ground. Prime the filter by turning the ignition key to the run position for 2 seconds and then back to the off position. Do this twice and start the vehicle. Check the new filter for leaks and test-drive if no leaks are found.

Items you will need

  • Metric wrench set

  • Jack

  • Jack stands

  • Drain pan

  • New filter

 How to Change a Gas Filter for a 97 Chevy Astro Van

Open the hood for access to the engine compartment. Locate the fuse relay behind the battery. Open the fuse panel and locate the fuel pump relay. The location will be labeled on the fuse panel cover. Pull the fuse relay out of the panel.

Start the van and allow it to idle until it stalls out. Turn the ignition to the off position and take the key out of the ignition.

Crawl under the driver side of the van and locate the fuel filter. It will be a canister-shaped filter with a fuel line running into it and a second line running out of the other end.

Place an open end wrench around the outlet line on the fuel filter and turn the nut counterclockwise. Hold the stationary nut with a second wrench to keep the filter from turning. Repeat for the inlet side of the fuel filter.

Unbolt the mounting bracket holding the filter using a socket wrench. Pull the filter out and replace with the new filter. Bolt the mounting bracket back in place with the socket wrench. Ensure the arrow on the filter is pointing toward the front of the van as this designates fuel flow.

Screw the outlet line onto the fuel filter by hand. Tighten it with the open-end wrench. Hold the stationary nut on the filter with a second wrench to prevent the filter from turning. Repeat to install the inlet line.

Insert the fuse relay back into the panel. Place the cover back onto the fuse panel.

Turn the ignition key to the "run" position. Leave it there for three seconds to allow the fuel pump to prime the line. Turn the key to the "off" position. Turn the key back to the "run" position and let it sit for three seconds. Proceed to start the van.

Allow the van to idle for five minutes. Inspect underneath for leaks around the fuel filter. Turn the van off and close the hood.

Items you will need

  • Wrench set

  • Socket wrench

  • Socket set

 How to Change the Gas Filter in a 2000 Buick LeSabre

Park the 2000 Buick LeSabre and push the parking brake in.

Unscrew the gas cap from the fill neck on the gas tank. This will remove the high gas pressure of the fuel filter.

Jack the front of the 2000 Buick LeSabre and place a jack stand under the jack points on both sides of the car. Slowly release the jack so that the car comes to a secure stop on the jack stands. Stop the jack as soon as the car is sitting on the jacks and leave it in the air as an extra safety measure.

Crawl under the driver side of the LeSabre near the rear of the driver side wheel and locate the fuel filter. Slide the gas catch pan underneath the fuel filter location.

Remove the inlet fuel line from the fuel filter by taking a clean rag and squeezing the end of the fuel line where it is connected to the fuel filter pipe. Once you squeeze the end of the fuel line, it will unlock from the fuel filter pipe. Pull the fuel line off the pipe.

Put an open end wrench on the nut that is built onto the outlet side of the fuel filter. Take another open end wrench and turn the fuel filter nut that connects the fuel line to the fuel filter counterclockwise to loosen. Finish unscrewing the fuel line nut with your fingers and pull the fuel line off the filter.

Slide the filter out of the bracket and put it into the catch pan. Insert the new fuel filter into the bracket with the correct fittings facing the proper direction.

Push the inlet fuel line straight onto the fuel filter pipe until you feel it lock in place.

Screw the outlet fuel line onto the fuel filter nut. Turn the fuel line nut clockwise to tighten the fuel line to the fuel filter. Slide the gas catch pan out from under the LeSabre.

Jack the LeSabre back up and pull the stands out. Release the jack so that the car comes back to the ground and pull the jack out. Screw the cap back onto the fill neck on the gas tank.

Get in on the driver side of the LeSabre and turn the ignition key on and then off three different times. This will fill the new filter up with gas. Crank the engine and let it run.

Inspect the new fuel filter for gas leaks while the engine is running. Then, turn the engine off.

Items you will need

  • Jack

  • Jack stands

  • Gas catch container

  • Clean rag

  • Open end wrench set

  • New fuel filter

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