How to Replace Cabin Air Filter 99-02 GMC Sierra 2500 Truck

Difficulty: Beginner · About 15 min · Gmc Sierra

Replace the cabin air filter, which sits under the passenger-side dash, on a 1999-2002 GMC Sierra 2500.

Steps

1. Remove the cover under the dash

   Take out the four 7mm bolts under the passenger-side dash and set the cover aside.

2. Free the filter bracket

   Remove the single bolt tucked down by the wiring harness with a 7/32 inch socket.

3. Pull the old filter

   Pull the cover down and toward you, slide the old filter out, then vacuum out any dust in the housing.

4. Fit the new filter

   Line up the airflow arrows on the new filter and push it into the bracket.

5. Reassemble the cover

   Refit the small bolt with the 7/32 inch socket, then reinstall the cover and its four 7mm bolts.

Check your vehicle’s repair manual for exact specifications and fit.