Installing fuel filter

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Vocational Education. Fuel Filter Installation Instructions. For Service Part No. Depending on the fuel system in your vehicle and its average fuel consumption, the amount of time it will run without a functioning fuel pump can vary greatly.

It does not need to run until it dies, however. Instead just allow it to run for a minute or two before turning the key back to off. Allowing the engine to run until it dies may make it difficult to start it again. Re-insert the fuel pump fuse. With the pressure relieved from the fuel system and the engine off, you can re-insert the fuse that powers the fuel pump.

Place the cover back on the fuse box and return any pieces of the trim you may have needed to remove to access it. Do not start the engine again after inserting the fuel pump fuse. Part 2. Disconnect the battery. Now that there is no reason for the engine to be started again until the project is complete, you should disconnect the negative terminal on the battery. Removing the cable from the negative terminal will prevent the engine from being started while you work.

You will need to use a hand or socket wrench to loosen the nut holding the cable onto the negative terminal, but you will not need to remove the nut completely. Locate the fuel filter.

The most common location for modern vehicles is along the fuel line on the bottom of the car, just past the fuel pump. In some vehicles, the fuel filter is located in the engine bay on the line that leads to the fuel rail.

You may need to access the fuel filter from inside the cabin of some vehicles. Jack up the car if necessary. If the fuel filter is located on the underside of your vehicle, you will need to jack up the car to access it.

Slide the jack under the car at one of its designated jack points, then either pump or twist the handle to raise the vehicle depending on the style of jack. Never rely on a jack to support the weight of a vehicle you are beneath while working. Place a bowl or bucket beneath the fuel filter. Although you relieved the pressure in the fuel line, there may be a bit of fuel left in the line that can spill out when disconnected from the fuel filter.

Place a bowl or bucket beneath the fuel filter to catch any fuel that drips or pours out. Gasoline should be held in its own container until it can be dropped off to a recycling location.

Be careful of using plastic containers to hold gas, as it may eat through some kinds of plastic and cause a leak. Remove the clips holding the fuel filter in place.

Most fuel filters are held in place by two plastic clips. Locate the clips on either side of the cylindrical fuel filter, then use a flat head screwdriver to pop them out of the holes they are in. These clips may break as you remove them, so purchasing replacement clips along with your fuel filter is advised. If you are able to remove them without them breaking, they may be reused.

You can purchase replacement fuel filter clips at your local auto parts store. Remove the fuel lines from the filter. With the clips removed, slide the fuel lines away from the filter to pop them off of the nozzles on either end.

Make sure to tip the fuel lines toward the bowl or bucket in place as you remove them to catch any spilled gasoline. Do your best to avoid allowing any gas to pour out onto the ground. Slide the fuel filter out of its bracket. The fuel filter is likely held in place by a metal bracket that wraps around its outer housing. With the fuel lines disconnected, you can slide the fuel filter out of the bracket by pushing it toward the front of the car.

The fuel filter will have a slight bell shape, allowing it to slide out in only one direction. Some fuel filters under the hood may he held in the bracket with a bolt that will need to be removed to slide the filter out. Part 3. Compare the new filter to the old one. When less fuel can pass through the filter, it is time to change it. Before installing the new fuel filter, compare it to the one you just removed.

Make sure they appear to be the same outside diameter, that the nozzles are the same size, and that it will fit into the bracket. Do not attempt to use a fuel filter for a different application in your vehicle, as it may not be capable of allowing the appropriate volume of fuel to pass through it. Slide the new fuel filter into the bracket. The new fuel filter should easily slide into its bracket. If you have to force it, it is likely not the correct diameter. The fuel filter should stop when it is seated properly, as it should only be able to slide all the way out in one direction.

If you find yourself pushing hard on the filter to make it fit, it is likely not the correct one. Fasten the fuel filter to the fuel line. Slide the fuel lines onto the front and back of the filter the same way they were attached to the old one.

With the fuel line in place on the filter, slide the plastic clips through the holes on the fuel line nozzle to secure the line in place on the fuel filter. Make sure the fuel lines are snug on the nozzles of the fuel filter before sliding the clips into place. Lower the vehicle off of the jack stands. Jack up the car to relieve the weight on the jack stands, then slide them out from beneath the vehicle.

Once the jack stands are clear, lower the vehicle to the ground by either releasing the pressure in the jack or turning the jack handle counter-clockwise, depending on your style of jack. Once the vehicle is safely on the ground, reconnect the battery to complete the project. Ed Beery Automotive Specialist. Ed Beery. Do a fuel pressure test to determine if enough fuel is being pushed through the system. Plus, you should always change your filter if it's clogged or leaking.

Not Helpful 0 Helpful 0. Some fuel filters are canister type, with a filter that fits into a canister. These can be easily inspected—if the canister filter is clearly dirty, just replace it. Other filters are closed, meaning they can't be inspected for dirt.

Leakage, time, mileage, and vehicle performance should guide when to replace this type of filter. It depends on your vehicle! Many vehicle designs integrate the fuel filter inside the fuel pump and are not serviceable. The fuel pump is often inside the fuel tank, and will require the fuel tank to be removed to gain access to the fuel pump and filter.

An older vehicle's fuel filter should be changed once every 2 years or every 30, miles. Newer vehicle fuel filters can last much longer. It could. If your fuel filter requires hose clamps to attach it to the fuel lines, tightening them too much could restrict the flow of fuel and cause the engine to run poorly. There are a number of other issues that may cause an engine to run rough, but if it started after a recent fuel filter change you may have installed the incorrect fuel filter.

Not Helpful 1 Helpful 4. I have a Oldsmobile Delta 88 Royale with engine. Where is the fuel filter located? This car has a quadra jet carb from the factory and the fuel filter can be found by locating the fuel line going into the carb. Remove the fuel line, and there is a larger hex nut on the carb the line went in.

Simply remove the nut and the filter is right inside the carb. Not Helpful 0 Helpful 1. Most likely it is a torque converter lock up solenoid in the transmission. It is a very common issue and is easily changed by dropping the transmission pan in most vehicles. Not Helpful 0 Helpful 2. It really isn't a fuel filter, it's a fuel screen if it's in the tank.