Where is cabin air filter on 2001 gmc truck?

The cabin air filter on a 2001 GMC truck isn't in a standardized location across all models. Its location varies depending on the specific model (Sierra 1500, 2500, etc.) and whether it even has one; some 2001 GMC trucks didn't come with a cabin air filter from the factory.

To find it, you'll need to do one of the following:

* Consult your owner's manual: This is the best place to start. The manual will have a diagram showing the location of the filter, if your truck has one.

* Check online forums: Search online forums specific to your year, make, and model of GMC truck (e.g., "2001 GMC Sierra 1500 cabin air filter location"). Owners often post photos and detailed instructions.

* Look under the dashboard: A common location for cabin air filters is under the dashboard, typically on the passenger side. You may need to remove the glove box or some other panels to access it.

* Look near the blower motor: The cabin air filter is often located near the blower motor, which is usually under the dashboard.

If you can't find it: It's possible your truck doesn't have a factory-installed cabin air filter. In that case, you could choose to have one professionally installed.

Remember to always disconnect your battery's negative terminal before starting any work near electrical components in your vehicle.