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2009–2016 Audi A4

2009-2016 Audi A4 - Cabin Air Filter Replacement

🔧 Easy 15-25 minutes $20 DIY

Save $40 by doing it yourself! Shop cost: $60

Quick Video Tutorial

Parts You Need

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Total Cost
$20.00
Part Name Part Number Price Buy
Cabin air filter — $20.00

💡 Pro tip: Order all parts at once to save on shipping

Step-by-Step Instructions

Follow these steps carefully

1

Prep and open access

Park the 2009-2016 Audi A4 and set the parking brake. Empty the glovebox (or open the cabin-filter access panel under the dash / cowl if your Audi A4 uses that layout). Informational DIY — EZ Car Fix is not a shop.

2

Expose the filter door

On the 2009-2016 Audi A4, squeeze the glovebox side walls or release the dampener/stops so the box drops fully, then unclip the cabin air filter cover. Keep fasteners and clips together so none are lost under the dash.

3

Remove the old filter and clean

Slide the old cabin air filter out of the Audi A4 housing. Note the airflow arrow direction first. Bag the dirty filter, then wipe or vacuum leaves and dust from the slot so debris does not enter the HVAC case.

4

Install the new filter

Insert the new cabin air filter into the 2009-2016 Audi A4 housing with the airflow arrow matching the old filter (usually pointing down or toward the blower). Seat it fully — do not bend the frame or leave gaps at the edges.

5

Reassemble and verify airflow

Refit the filter cover until it clicks, then reconnect the Audi A4 glovebox dampener/stops and close the glovebox. Start the 2009-2016 Audi A4, set the fan to fresh air (not max recirculate), and confirm strong airflow with no rattle from an unseated filter door.

All Done!

Test your repair before closing everything up. If something doesn't work right, double-check your steps.

⚠️ Common Mistakes to Avoid

  • • Installing the filter backwards (ignore the airflow arrow)
  • • Forcing a thicker filter so the door will not latch
  • • Tearing glovebox stops, dampener arms, or filter-door clips
  • • Leaving leaves and debris in the housing so they blow into the cabin