How I Change an Air Dryer Filter on a Semi Truck?

Changing the air dryer filter on a semi truck is an important maintenance task that should be done periodically. The air dryer filter helps to keep the air in the truck’s cab clean, as well as prevent dust and other contaminants from entering and damaging the truck’s cab interior.

A dirty air dryer filter can also significantly reduce the efficiency of a semi truck’s engine, leading to increased fuel consumption and decreased performance.

To change an air dryer filter on a semi truck, begin by locating it beneath the hood of the vehicle. In most cases, it will be located near or above the engine, but some models may have it located farther back towards the rear of the vehicle.

Once located, use a flathead screwdriver to remove any screws that are holding it in place and carefully remove it.

Once removed, inspect both sides of the air dryer filter for signs of wear and tear or damage. If any damage is present, replace it with a new one before continuing further.

After inspecting and replacing if necessary, use compressed air or a vacuum cleaner to blow out any dirt or debris from inside of the filter before reinstalling it.

Reinstallation

Once all dirt and debris has been removed from inside of the air dryer filter, reinstall it into its original location using screws or other fasteners provided by your vehicle’s manufacturer. When finished, check to make sure that all connections are secure and there are no leaks before closing up the hood of your truck.

Conclusion:

Changing an air dryer filter on a semi truck is a relatively easy process that should be done periodically in order to keep your vehicle running at peak performance levels. By following these simple steps you can easily ensure that your vehicle will continue to perform efficiently while keeping its cab interior clean and free from contaminants.

Photo of author

Stephen Dunn