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The cabin air filter in your 2015 GMC Sierra 2500 HD filters the air that is blown from your heater or air conditioner into the cabin of your Sierra 2500 HD. You need to change it at least once a year or every 20,000 miles. Replacing the cabin air filter (also know as the dust filter, hvac filter, pollen filter, air conditioner filter and hepa filter) will improve the air quality of your Sierra 2500 HD, will put less strain on your heating and air conditioning system and can increase your gas mileage. These filters are fairly inexpensive, so check out our parts page for great deals on a new one (tip: buy several - they don't expire and you will be able to quickly swap the old one out for a fresh one).
Not all GMCs have a cabin air filter and for some models, the inclusion of a cabin air filter depends on what trim level you have (Base). Newer cars are more likely to have a cabin air filter than older models. If your Sierra 2500 HD has a funky odor when you turn on the heat or air conditioner, or it seems like the fan doesn't work as well as it used to, replacing your cabin air filter is a quick and cheap fix! The video above shows you the cabin air filter location in your Sierra 2500 HD and how to change it!
There's no reason to check the washer fluid level without adding some - see how to do it here!2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup
See how to seal up minor power steering fluid leaks2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup
White light when you back up - yup, they burn out and you can replace them with bright LEDs2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup
Learn where your spare tire and jack are located before you need it on the side of the road2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup