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Cabin Air Filter Replacement
 
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Pelican Technical Article:

Cabin Air Filter Replacement

Jared Fenton

Time:

30 min

Tab:

$10 to $20

Talent:

**

Tools:

Phillips head screwdriver, vacuum cleaner

Applicable Models:

Audi A6 (1997-04)
Audi A6 Quattro (1997-04)
Audi S6 (2002-03)

Parts Required:

Cabin Air Filter

Hot Tip:

Clean the filter housing before installing new filter

Performance Gain:

A better smelling interior

Complementary Modification:

Replace engine air filter

Did you know that your car has an air filter for the climate control system? Most people don't know that modern vehicle climate control systems have a small filter built in that traps dust and/or solid particles. If you live in a hotter and/or humid climate, you probably use the A/C with the windows closed for extended periods of time. This usually keeps germs, bacteria, and dust particles in the car. This typically leaves a musty smell in the car's cabin when you turn on the A/C. Over time, the filter in the car becomes saturated with dust particles and can even impede the flow of the air coming through the system.

The solution is to change the filter. Modern filters are usually electrostatic and hypo-allergenic and do a wonderful job of keeping the air in the cabin clean and flowing well. The cabin air filter should be replaced annually to keep the system working correctly.

Our vehicle may vary slightly from yours as models do change and evolve as they grow older. If something seems different, let us know and share your info to help other users. Questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

Open the hood and remove the cowl panel at the rear of the engine compartment.
Figure 1

Open the hood and remove the cowl panel at the rear of the engine compartment. See our article on Cowl Panel Removal for more information.

Once the panel is removed, you will be able to access the cabin filter housing below (green arrow).
Figure 2

Once the panel is removed, you will be able to access the cabin filter housing below (green arrow). In our case, the filter has seen better days. Pull the filter out of the housing

It is a good idea to clean the inside of the filter housing once the old filter is removed.
Figure 3

It is a good idea to clean the inside of the filter housing once the old filter is removed.

Now carefully rotate the filter until you can pull it out of the housing.
Figure 4

Now carefully rotate the filter until you can pull it out of the housing. Look for an arrow on the side of the new filter (green arrow). You'll want to orient the new filter with the arrow facing downward as in the direction of airflow to the cabin. Carefully slide the new filter in and re-fit the covers.


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Page last updated: Mon 12/5/2016 03:00:56 AM