Fuel Filter Replacement - Changing a Fuel Filter

A fuel filter, as the name signifies, is basically a filter paper that is placed in the fuel line for filtering out dust and dirt particles from the fuel before passing it to the engine. Fuel filters are used in majority of the internal combustion engines. They not only help in removing the contaminants, but also improve the durability of the fuel pump and injectors. A fuel filter also enhances the performance of the engine by supplying clean fuel.

Fuel Filter Maintenance

Similar to other car parts, fuel filters should be maintained properly. Otherwise, accumulation of contaminants in the filter restricts the flow of fuel to the engine, which in turn reduces the engine performance and creates various car problems. Some superior quality fuel filter products can be cleaned and reused again. The easiest maintenance tip is changing a fuel filter. It should be replaced at regular intervals, at least once in a year. Let's take a brief look on the instructions for fuel filter replacement.

Fuel Filter Replacement Instructions

Some of the signs of a clogged fuel filter are low engine performance, engine not starting and stopping the engine in between. In such cases, you can check the fuel filter for the accumulation of contaminants. You can remove the fuel filter and blow air through it by attaching a plastic hose. If there is resistance in passing air, then the fuel filter is dirty and requires replacement for optimum engine performance.

For changing a fuel filter, you require a new good quality fuel filter, new fuel line washers, wrenches, pliers, screwdrivers and rags. Also, wear protective glasses and gloves during the procedure of fuel filter replacement. Prior to changing a fuel filter, cut off the engine and allow it to cool down properly. Instructions for fuel filter replacement may vary from one model to another. For safe and easy replacement, you can refer to the service manual for changing the fuel filter.

First of all, locate the fuel filter; you can refer to the user manual for car repair. It may be present under the car's hood or under the trunk of the car. In case, you cannot find out the car's fuel filter, you can consult with a professional car repairer. Remove any protective guards that line the fuel filter with the help of a correct size screwdriver or a wrench. Some models have mounting bracket bolts that secure the fuel filter in place.

The next step is removing the fuel lines; you can loosen the connections of the fuel lines on either side of the filter by using screwdriver and/or wrench, whichever is suited. Keep the fuel lines in a vertical position or cap it with a pencil, so as to prevent fuel leakage from the pipes. Loosen the mounting bracket from the old fuel filter (if any) and fasten in the new one. Following this, you can remount the new fuel filter in the vehicle. Make sure the fuel filter is oriented in the correct direction.

Reinstall the guards (if any) and make the required connections with the fuel lines. You can check any leakage of fuel by starting the car. This is how you can replace a fuel filter successfully on your own. If you replace fuel filter on your own, then the fuel filter replacement cost is very less. A new fuel filter may cost about $10-$20. Replace the fuel filter of the car regularly, so as to achieve the best engine performance.