GM Parts Club
September is when you catch everything the summer beat up, before fall travel starts. Here is what to actually look at, using a 2014-2018 Chevrolet Silverado 1500 as the example.
Filters and Fluids
Watch for an oil life monitor that reaches zero faster than it used to. Follow the oil life monitor rather than a fixed mileage. Engine air filter every 30,000 to 45,000 miles. Transmission service intervals vary widely by transmission and by whether you tow.
Air filter media density affects the mass airflow reading, which is a fueling input.
Heating and Air Conditioning
Watch for air that is cold at highway speed and warm at a stoplight. Cabin air filter every 12,000 to 15,000 miles, or annually. In North Texas with construction dust and cedar season, annually is the honest number.
R-1234yf systems on newer GM vehicles use different oils and fittings than older R-134a systems.
Electrical and Charging
Watch for a battery that tests fine at the counter but fails after sitting three days. Batteries in Texas heat routinely give up between three and five years. Test annually after year three, before the first cold snap.
GM’s battery management system is calibrated to a specific battery chemistry, group size and reserve capacity.
The Short Checklist
- Oil filters: Engine size and emissions equipment change the filter, and diesel filter kits in particular are not interchangeable across model years.
- Cabin air filters: Rear climate content, heated and cooled seats, and tri-zone systems all change the parts list.
- Batteries: Vehicles with stop-start often use two batteries. Confirm which one you are replacing before ordering.
Shops and fleets can set up wholesale pricing at gmpartsclub.com/wholesale. Everyone else can start at our Chevrolet OEM parts catalog or search for Silverado 1500 parts.
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