ServlogUpdated 2026-06-24
GMC Sierra 1500 Maintenance Schedule
Recommended service intervals for the 2019-2024 (T1XX) GMC Sierra 1500 (5.3L/6.2L V8, 2.7L turbo or 3.0L Duramax diesel; dexos1 0W-20; 8- or 10-speed auto). confidence: high
In short: the 2019-2024 (T1XX) GMC Sierra 1500 needs an oil change oil-life monitor, ~7,500 mi (min once / 12 mo), tire rotation every ~7,500 mi, and has a timing chain (no scheduled replacement). Full service schedule below.
| Oil change | Oil-Life Monitor, ~7,500 mi (min once / 12 mo) |
|---|---|
| Tire rotation | Every ~7,500 mi |
| Brake fluid | Condition-based; ~every 5 yr typical |
| Engine air filter | ~45,000 mi |
| Cabin air filter | ~22,500-45,000 mi |
| Transmission fluid | ~45,000 mi normal / ~30,000 mi severe (towing) |
| Coolant / antifreeze | Dex-Cool ~150,000 mi / 5 yr |
| Spark plugs | ~97,500 mi (V8) |
| Timing belt / chain | Timing CHAIN — no scheduled replacement |
Major milestones: Trans 45k (30k severe); 97.5k plugs; 150k coolant.
GMC Sierra 1500 note: Mechanically the twin of the Chevy Silverado 1500 — same engines, same unusually short transmission-fluid interval (~45k / 30k severe) and AFM/DFM caution on the V8s.
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Keeping a GMC Sierra 1500 on schedule means tracking 9+ separate intervals. Servlog logs every oil change, rotation and repair, and reminds you when the next service is due.
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How often does the GMC Sierra 1500 need an oil change?
Oil-Life Monitor, ~7,500 mi (min once / 12 mo) — for the 2019-2024 (T1XX) GMC Sierra 1500. Use the severe-service interval if you mostly drive short trips, tow, or sit in traffic.
Does the GMC Sierra 1500 have a timing belt or a timing chain?
Timing CHAIN — no scheduled replacement.
What are the major service milestones for the GMC Sierra 1500?
Trans 45k (30k severe); 97.5k plugs; 150k coolant.
More on the GMC Sierra 1500
Universal maintenance facts
- Full-synthetic oil typically lasts 7,500-10,000 mi / 12 mo, but turbo and direct-injection engines do better at 5,000-7,500 mi — synthetic resists thermal breakdown longer; turbos run hotter and DI engines suffer fuel dilution, so shorter intervals protect them.
- Rotate tires every 5,000-7,500 mi — front and rear tires wear at different rates; rotation evens wear, extends tire life, and is essential on AWD to avoid drivetrain strain.
- Replace brake fluid every 2-3 years regardless of mileage — brake fluid is hygroscopic — it absorbs water, which lowers its boiling point and corrodes ABS/brake parts, hurting braking when hot or wet.
- Follow the SEVERE schedule if you drive short trips, in cold/dusty/hot climates, in stop-and-go, or tow — those conditions are physically harder on oil, fluids and filters than highway cruising — and they describe most real drivers.
- Most cars since ~2010 use a timing CHAIN (no scheduled replacement); timing BELTS (replace ~60,000-105,000 mi) survive mainly on some VW/Audi and older engines — a snapped belt on an interference engine destroys the engine, so on belt cars the interval is non-negotiable — but most modern owners don't have a belt at all.
- Don't trust 'lifetime' transmission/CVT fluid — change it proactively (CVT ~30,000-60,000 mi, conventional auto ~60,000-100,000 mi) — transmission fluid degrades with heat; 'lifetime' often means the life of the warranty, and a fluid change is far cheaper than a transmission.
- Engine coolant is long-life (often first change ~100,000-150,000 mi), then repeats on a SHORTER cycle — long-life coolants protect ~10 yr first, but the corrosion inhibitors deplete, so later intervals are much shorter and easy to forget.
- Replace the cabin air filter ~every 15,000-30,000 mi or yearly, and the engine air filter ~every 30,000 mi — a clogged engine filter hurts airflow/economy; a clogged cabin filter weakens A/C/heat airflow and lets allergens in — both are cheap, high-satisfaction services.
Source: GMC Sierra / GM maintenance schedule. General information — always confirm against your GMC Sierra 1500 owner's manual.