2019 GMC Sierra 1500 Maintenance Schedule
Keep your 2019 GMC Sierra 1500 running strong with this comprehensive maintenance schedule.
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
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Quick Reference
| Mileage | Service | Notes |
|---|---|---|
| 5,000 | Oil & Filter Change, Tire Rotation | First service is crucial for a new engine. Set a baseline for oil changes. |
| 7,500 | Oil & Filter Change, Tire Rotation | Per GM's owner manual, or when Oil Life Monitor indicates. |
| 15,000 | Oil & Filter Change, Tire Rotation | Replace cabin air filter. |
| 22,500 | Oil & Filter Change, Tire Rotation | Inspect tire wear, brake pads, and listen for any new noises. |
| 30,000 | Oil & Filter Change, Tire Rotation | Replace cabin air filter. Inspect engine air filter. |
| 45,000 | Replace engine air filter, Replace cabin air filter | Transfer case fluid change (if 4WD). |
| 60,000 | Oil & Filter Change, Tire Rotation | Replace cabin air filter. Inspect engine air filter. |
| 75,000 | Oil & Filter Change, Tire Rotation | Recommended brake fluid flush. |
| 90,000 | Oil & Filter Change, Tire Rotation | Inspect accessory drive belts. Change transfer case fluid. |
| 97,500 | Spark Plug Replacement | Replace spark plugs. Inspect spark plug wires/boots. |
| 100,000 | Oil & Filter Change, Tire Rotation | Replace cabin air filter, inspect engine air filter. |
| 150,000 | Coolant Flush, Transmission Fluid Service | Flush and fill cooling system. Change automatic transmission fluid and filter. Inspect accessory drive belts. |
Severe-duty schedule
For trucks that tow, spend time in dusty environments, make short trips, or operate in extreme cold, a more aggressive maintenance schedule is required.
- Oil & Filter Change: Every 3,000-5,000 miles.
- Tire Rotation: Every 3,000-5,000 miles.
- Cabin & Engine Air Filter: Inspect every 10,000 miles, replace as needed.
- Transmission Fluid Service: Every 45,000 miles.
- Differential & Transfer Case Service: Every 30,000 miles.
Known issues by mileage
- 15,000 miles: Premature brake wear, transmission shift quality complaints.
- 30,000 miles: Infotainment system glitches, minor fluid leaks from transmission or differentials.
- 60,000 miles: Lifter failure on the 5.3L and 6.2L V8 engines, rough idling, check engine lights.
- 100,000 miles: Timing chain stretch/failure, oil consumption issues.
Estimated cost per service
- Oil Change: $50-$100
- Tire Rotation: $20-$40
- Cabin Air Filter: $40-$80
- Engine Air Filter: $50-$100
- Brake Fluid Flush: $100-$150
- Coolant Flush: $150-$250
- Transmission Fluid Service: $250-$400
- Spark Plugs: $300-$500
- Timing Belt/Chain: $1000-$2000+
- Differential/Transfer Case: $150-$300
What you can DIY vs shop
- DIY: Oil and filter changes, tire rotations, cabin and engine air filter replacements, accessory belt inspection/replacement, PCV valve replacement.
- Shop: Brake fluid flushes, coolant flushes, transmission fluid services, spark plug replacements, timing chain inspections/replacements, differential and transfer case services.
Book service on Repairius.
More specs for the 2019 GMC Sierra 1500
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2019 GMC Sierra 1500 Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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