Auto Maintenance Schedule
By Ryan Green, Marketing Director — Weld County Garage GMC | Updated June 2026
Following your vehicle’s mileage-based maintenance schedule is the single best way to prevent costly breakdowns, hold resale value, and keep your warranty intact. Here’s what most vehicles need at each milestone — and where to get it done in Greeley.
Quick Answer
Most vehicles need an oil change and tire rotation every 5,000 miles, a filter and brake inspection around 30,000 miles, a major service at 60,000 miles, and spark plugs and fluids around 90,000 miles.
Your owner’s manual lists the exact intervals for your vehicle. Weld County Garage GMC in Greeley handles every milestone for all makes and models — schedule online or call (970) 400-9952.
The Schedule
Maintenance is cumulative — each milestone includes the basics plus new items. Use this as a general guide, then confirm the exact intervals in your owner’s manual:
| Mileage | What’s typically due |
|---|---|
| Every 5,000 mi / 6 mo | Oil & filter change, tire rotation, fluid top-off, multi-point inspection |
| 15,000 mi | Engine air filter & cabin filter check, brake inspection |
| 30,000 mi | Replace air & cabin filters, inspect brakes, check transmission & coolant |
| 60,000 mi | Brake pads/rotors as needed, transmission service, coolant flush, battery, belts/hoses |
| 90,000 mi | Spark plugs, timing belt (if equipped), coolant, transmission service |
| 100,000 mi+ | Major service: plugs, fluids, comprehensive inspection |
Why It Matters
Skipping maintenance is how small, cheap items become big, expensive ones. Staying on schedule protects fuel economy, prevents breakdowns, keeps your manufacturer warranty valid, and boosts resale or trade-in value. A documented service history is one of the easiest ways to keep your vehicle worth more.
Colorado Driving
Yes — Northern Colorado driving often falls under the “severe service” schedule in your manual. Mountain grades, towing, dust, short winter trips, and big temperature swings between Greeley and the high country all add wear. If you tow or drive a lot of short trips in the cold, lean toward the shorter end of each interval and have fluids checked more often.
Service Area
Weld County Garage GMC — 2699 47th Ave | Greeley, CO 80634 | (970) 400-9952 | Service Hours: Mon–Fri 7–6, Sat 7–4
Serving Greeley, Fort Collins, Loveland, Windsor, and Evans — all makes and models.
Questions, Answered
Around 30,000 miles most vehicles need new engine and cabin air filters, a brake inspection, and a check of the transmission fluid and coolant, on top of the regular oil change and tire rotation.
The 60,000-mile service is a major one: brake pads and rotors as needed, transmission service, a coolant flush, battery check, and inspection of belts and hoses.
Most vehicles need an oil and filter change every 5,000 miles or six months, whichever comes first. Severe-service driving — common in Colorado — may call for shorter intervals.
Yes. Sticking to the manufacturer’s maintenance schedule and keeping records is required to maintain your factory warranty. We document every service we perform.
Yes. Our GM-certified technicians service all makes and models to each manufacturer’s recommended schedule.
Schedule online or call (970) 400-9952. Weld County Garage GMC is at 2699 47th Ave, Greeley, serving Fort Collins, Loveland, Windsor and Evans.
Last updated June 8, 2026. Intervals are general guidance; always follow your owner’s manual for your specific vehicle. Service available for all makes and models.
From a 5K oil change to a 90K major service — book it at Weld County Garage GMC in Greeley.
2699 47th Ave, Greeley, CO 80634 | Serving Greeley, Fort Collins, Loveland, Windsor & Northern Colorado