2020 Chevrolet Silverado 1500
30,000 mile service checklist
Here's exactly what your factory maintenance schedule calls for at this mileage — and what each item typically costs.
30,000 mile service
- Engine oil and filter change per OLM (dexos1 Gen 2 full synthetic)
- Tire rotation
- Replace cabin air filter
- Replace engine air filter
- Inspect spark plugs — do not replace at 30k (iridium plugs factory spec ~97,500 mi; AC Delco Professional Iridium recommended)
- Inspect 4WD front axle actuator and front differential (4WD models — Mobil 1 75W-90 synthetic gear lube)
- Inspect transfer case fluid (4WD models — Auto-Trak II or Dexron VI depending on BorgWarner unit)
- Inspect rear differential fluid (Mobil 1 75W-90 synthetic; 8.5-inch or 9.5-inch ring gear)
- Inspect fuel injectors and throttle body
- Inspect coolant hoses and serpentine belt