The cabin air filter on a 2017 GMC Sierra sits behind the glove box on the passenger side, inside the HVAC housing.
Location and access
The filter is housed inside the dash on the passenger side, just behind the glove box. Accessing it requires opening the glove box, releasing its stops or damper, and lowering the box to expose the filter housing.
Before you begin, gather basic tools and a replacement cabin air filter compatible with your vehicle to make the process smooth.
Tools and replacement filter
Gather the following items to complete the replacement quickly and safely.
- New cabin air filter compatible with 2017 GMC Sierra
- Flat-head screwdriver or trim removal tool (optional)
- Gloves to keep hands clean and protect the interior
Having these on hand helps you swap the filter without extra trips to the garage or parts store.
Steps to replace the cabin air filter
Use these steps to access and replace the filter in the correct orientation.
- Park the truck and turn off the engine. Open the passenger-side glove box.
- Remove contents and clear any loose items that could fall during replacement.
- Release the glove box stops or damper; gently push in on the sides of the glove box to allow it to drop down.
- Lower the glove box until you can see the rectangular cabin air filter housing behind it.
- Remove the filter cover from the housing by pressing the tabs or sliding it off.
- Take out the old filter, note its orientation, and insert the new filter with the arrows pointing toward the direction of airflow into the cabin. Reattach the cover, lift the glove box back into place, and reattach the stops/damper.
After replacement, test the HVAC system by turning on the blower to ensure normal airflow and listen for any unusual noises that might indicate the filter is not seated properly.
Summary
For a 2017 GMC Sierra, the cabin air filter is located behind the glove box on the passenger side inside the HVAC housing. Replacement involves lowering the glove box, removing a small cover, swapping in a new filter with the correct orientation, and reassembling. With the right tools and a fresh filter, the job typically takes just a few minutes and helps maintain cabin air quality.