2020 Chevrolet Silverado 1500
90,000 mile service checklist
Here's exactly what your factory maintenance schedule calls for at this mileage — and what each item typically costs.
90,000 mile service
- Engine oil and filter change per OLM (dexos1 Gen 2 full synthetic)
- Tire rotation
- Replace spark plugs — iridium AC Delco (factory interval 97,500 mi; replace now if not done at 60k)
- Replace coolant — DEX-COOL; flush and refill with 50/50 premix
- Replace brake fluid — DOT 3
- Replace rear differential fluid
- Replace transfer case fluid (4WD models)
- Inspect serpentine belt for cracking, glazing, or fraying
- Inspect all suspension components: ball joints, control arm bushings, sway bar links and end links
- Inspect wheel bearings front and rear (sealed hub assemblies on 2020 Silverado; press-fit replacements)
- Inspect trailer hitch wiring and receiver (if equipped)