Free Automotive Repair Advice by Certified ASE Technicians
How Does it Work /
Filter
How Car Filters Work
All filters incorporate a filtering device constructed from various materials.
These materials can vary from cloth fibers, paper fiber and wire mesh screens or
any combination of the three. Most fuel and oil filters are housed within a metal
container connected to the engine or fuel system. Most vehicles have one or more
filters that require regular maintenance (replacement). These filters range from
a air filter,
fuel filter,
air cabin filter
and oil filter.
A properly maintained filter system will enhance the performance and extend the
life of vehicle. Air filters remove debris from the air before it is allowed into the engine.
If dirt where allowed to enter the engine it would cause premature failure.

Filter Element

Changing an Air Filter
Inspecting the air filter is very simple and typically only involves opening
the hood and finding the air filter box that is usually above the battery in the
vehicle. Remove the clips that hold the lid of the box will allow you to easily
access the air filter. You can quickly inspect the filter to determine if it needs
to be changed. Some slight discoloration is acceptable, however an air filter that
is dusty or dark should be changed to restore proper airflow to your vehicles engine.
Checking the air filter of your engine is a simple process that only takes about
five minutes. A
fuel
filter located in the fuel system ensures that debris in the gas tank is not
passed through to the
fuel injection
system. A clogged
fuel filter
can cause low power and fuel sediments are the #1 cause of system failure.

Changing an Air Filter
Remove fuel filter connections from fuel lines. A small amount of fuel will leak out
when connections are removed. Next remove the
fuel filter
mounting bracket bolt and remove filter. Replace with new and recheck for leaks.

Changing an Oil Filter
Normal service is mandatory for long engine life. Today's engines
have more power which makes it imperative that you change your oil at regular intervals;
every 3,000 miles or 3 months, whichever comes first. If your car uses synthetic
motor oil you can extend mileage between changes up to 2,000 additional miles. Always
use your manufacturer's specific weight motor oil. If a vehicle is used in a dirty
areas it is advisable to change the filters more often then factory recommendations.

Changing an Air Cabin Filter
To replace the air cabin filter; locate and undo retainer clip to remove air
cabin filter, compare the filter size to the replacement filter and reassemble.
Note: clean air cabin filter housing to help keep the vehicle inlet air clean.
How Does it Work
/ Filter
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