How To Replace Cabin Air Dust and Pollen Filter 2003-10 Cadillac CTS
Difficulty: Beginner · About 2 min · Cadillac Cts
Replace the cabin air filter on a 2003–2010 Cadillac CTS by lifting the cowl cover, orienting the filter airflow arrow correctly, and resealing the weatherstrip.
Tools you will need
- 7mm Socket
- Ratchet
Parts and supplies
- Correct replacement cabin air filter
Steps
Remove the cowl cover
Open the hood and peel back the cowl weatherstrip. Remove the cowl fasteners and lift the cover away without bending it.
Remove the old cabin filter
Release the filter-door tabs and remove the access door. Pull the filter out and clear debris from the housing.
Install the replacement filter
Insert the new filter with its airflow arrow pointing toward the rear of the vehicle. Ensure the filter sits flat and seals around the housing.
Reassemble cowl and weatherstrip
Lock the filter door tabs, reinstall the cowl fasteners, and press the weatherstrip into place. Check the cover is secure and water cannot enter the cabin.
Check your vehicle’s repair manual for exact specifications and fit.