Recommended service and maintenance schedule for GMC Sierra 2500 HD

Sep 25, 2025

Alpine GMC South – Recommended service and maintenance schedule for GMC Sierra 2500 HD

Your GMC Sierra 2500 HD is built to handle serious work, and a smart maintenance plan keeps that strength dependable mile after mile. At Alpine Buick GMC South, our Certified Service team supports both gas and Duramax Turbo-Diesel trucks with GM Genuine Parts, factory scan tools, and technician expertise tailored to heavy-duty use. Proudly serving Colorado Springs, CO, we make it easy to stay on schedule with convenient appointments, clear communication, and service records that help protect warranty coverage and resale value. The Owner’s Manual and the truck’s Oil Life Monitoring System are your primary guides, but the general timeline below provides a reliable framework across most model years. Actual needs vary by engine, model year, and how you use your truck—especially with frequent towing, off-road driving, dusty conditions, or extended idling. If you have questions about your specific Sierra 2500 HD, consult GMC and our advisors for details before you schedule. Below is a practical baseline you can reference for routine care that helps maintain performance, safety, and efficiency.

Every 7,500 miles or 12 months: Change engine oil and filter per the Oil Life Monitoring System; rotate tires; inspect brakes, steering, suspension, and all fluids.
Every 15,000 miles: Inspect or replace engine air filter; check cabin air filter; clean battery terminals; inspect 4WD components and transfer case fluid level.
Every 22,500 miles — Duramax: Replace diesel fuel filter; drain water separator; inspect glow plug system and charge-air connections.
Every 45,000 miles: Service transfer case fluid; replace automatic transmission fluid and filter for severe duty; replace brake fluid if due.
Every 60,000 miles: Service engine coolant (DEX-COOL); inspect spark plugs on gas engines and replace as specified; replace axle fluids if towing or off-road.
Every visit: Multi-Point Vehicle Inspection; check for software updates and open campaigns; set tire pressures; balance or align if needed; test battery before winter.

We help you personalize this schedule to your truck and usage. Our team can track your VIN-specific requirements, interpret the Oil Life Monitoring System, and adjust intervals for severe service to keep brakes, tires, and fluids in their ideal windows. Expect consistent torque-spec procedures, road tests, and clear documentation after every visit. If you tow, we can recommend LT tire rotations, differential fluid services, and transmission care that support cooler operating temps and steady shift quality. Prefer diesel power We offer water-separator service, fuel filtration, and intake inspections that help protect injectors and maintain DPF performance. For the most accurate guidance, always consult your Owner’s Manual and contact GMC or our service department for current model-year recommendations. Ready to keep your Sierra 2500 HD at its best? Request more information today, and we will build a maintenance plan that fits your driving, your calendar, and your goals.