2021 Chevrolet Silverado 1500 maintenance schedule
Every service on the 2021 Silverado 1500, with its interval and an estimated cost.
The 2021 Chevrolet Silverado 1500 oil change interval follows the Oil Life Monitor: change it when the car's monitor says so, or every 12 months at the latest. Driven by the GM Oil Life System: change the engine oil and filter within 600 mi after the CHANGE ENGINE OIL SOON message appears, and at least once a year. The oil life percentage is checked at every 7,500-mi service. If the oil life system is reset accidentally, service the truck within 3,000 mi of the last service. Extended idling: one hour counts as 33 mi.
- Brake Fluid
- 60mo
- Tire Rotation
- 7,500mi
- ≈ 12,000km
- Brake Inspection
- 7,500mi
- ≈ 12,000km
- Cabin Air Filter
- 22,500mi
- ≈ 36,000km
- 24 mo
Service intervals
From the 2021 Chevrolet Silverado 1500 schedule.
| Service | Every | Est. Cost | Status |
|---|---|---|---|
| Engine Oil & FilterSafety itemDriven by the GM Oil Life System: change the engine oil and filter within 600 mi after the CHANGE ENGINE OIL SOON message appears, and at least once a year. The oil life percentage is checked at every 7,500-mi service. If the oil life system is reset accidentally, service the truck within 3,000 mi of the last service. Extended idling: one hour counts as 33 mi.Guide How to Change Your Oil · The engine oil system: what every part does | Oil Life Monitor / 12 mo | $45–$75 | |
| Tire RotationRotate the tires and perform the Required Services every 7,500 mi.Guide How to Rotate Your Tires at Home · How to Choose and Use a Torque Wrench | 7,500 mi≈ 12,000 km | $25–$50 | |
| Brake InspectionInspect the brake system at every 7,500-mi service.Guide How to Change Brake Pads: Step-by-Step Guide | 7,500 mi≈ 12,000 km | — | |
| Cabin Air FilterReplace every 22,500 mi or 24 months. Replace more often in heavy traffic, poor air quality or high dust, or if airflow drops, windows fog or odors appear.Guide How to Replace Your Cabin Air Filter | 22,500 mi / 24 mo≈ 36,000 km / 24 mo | $25–$50 | |
| Engine Air FilterDriven by the engine air filter life system, checked at every 7,500-mi service: replace at the next oil change when REPLACE AT NEXT OIL CHANGE appears, or as soon as convenient when REPLACE ENGINE AIR FILTER SOON appears, and at least every four years. Dusty conditions: inspect the filter at each oil change.Guide How to Replace Your Air Filter (Engine & Cabin) | 48 mo | $20–$40 | |
| Spark Plugs (2.7L)Replace the spark plugs and inspect the plug wires and/or boots every 60,000 mi.Guide How to Change Spark Plugs · How to Choose and Use a Torque Wrench | 60,000 mi≈ 97,000 km | $100–$200 | |
| Spark Plugs (V6/V8)Replace the spark plugs and inspect the plug wires and/or boots every 97,500 mi.Guide How to Change Spark Plugs · How to Choose and Use a Torque Wrench | 97,500 mi≈ 157,000 km | $100–$200 | |
| Transfer Case Fluid (4WD only)4WD trucks: change the transfer case fluid every 97,500 mi. Severe service (mainly heavy city traffic in hot weather, hilly or mountainous terrain, frequent trailer towing, high-speed or competitive driving, taxi, police or delivery use): every 45,000 mi. Do not power-wash the transfer case or axle output seals.Guide How to Change Transfer Case Fluid (4x4 and AWD) | 97,500 mi≈ 157,000 km | $100–$200 (rear); $75–$150 (transfer case) | |
| Engine CoolantDrain and fill the engine cooling system (DEX-COOL) every 150,000 mi or five years.Guide How to Flush Your Coolant System | 150,000 mi / 60 mo≈ 241,000 km / 60 mo | $150–$250 | |
| Drive Belt InspectionVisually inspect the accessory drive belts every 150,000 mi or 10 years for fraying, excessive cracking or damage; replace if needed.Guide How to Replace a Serpentine Belt | 150,000 mi / 120 mo≈ 241,000 km / 120 mo | — | |
| Brake FluidSafety itemReplace the brake fluid (DOT 4) every five years.Guide How to Bleed Brakes (and Change Brake Fluid) | 60 mo | $100–$200 | |
| Automatic Transmission FluidNormal service: no scheduled replacement. Severe service (mainly heavy city traffic in hot weather, hilly or mountainous terrain, frequent trailer towing, high-speed or competitive driving, taxi, police or delivery use): change the automatic transmission fluid and filter every 45,000 mi.Guide How to Change Transmission Fluid | As needed | $150–$300 | |
| Rear Differential FluidNo scheduled replacement for the front or rear axle fluid on the normal or severe schedule. Do not power-wash the axle output seals: water can contaminate the fluid, and contaminated fluid should be replaced.Guide How to Change Differential Fluid (Rear Axle and Front 4x4) | As needed | $100–$200 (rear); $75–$150 (transfer case) | |
| Air Conditioning DesiccantReplace the air conditioning desiccant every seven years. | 84 mo | — | |
| Fuel Filter (3.0L diesel)Safety itemReplace the fuel filter every 30,000 mi or two years, or when CHANGE FUEL FILTER appears, whichever comes first. Replace it more often with biodiesel use, severe dust, off-road driving or extended towing. | 30,000 mi / 24 mo≈ 48,000 km / 24 mo | $50–$100 | |
| Timing Belt (3.0L diesel)Safety itemReplace the timing/oil pump belt every 150,000 mi or 15 years.Guide When to Replace Your Timing Belt: Engineering Over Intervals · Timing Belt vs Timing Chain: What's the Difference? | 150,000 mi / 180 mo≈ 241,000 km / 180 mo | — |
≈ converted from the other unit and rounded.
Est. costs are US-typical, in USD.
Common questions about the 2021 Chevrolet Silverado 1500
How often does a 2021 Chevrolet Silverado 1500 need an oil change?
The 2021 Chevrolet Silverado 1500 oil change interval follows the Oil Life Monitor: change it when the car's monitor says so, or every 12 months at the latest. Driven by the GM Oil Life System: change the engine oil and filter within 600 mi after the CHANGE ENGINE OIL SOON message appears, and at least once a year. The oil life percentage is checked at every 7,500-mi service. If the oil life system is reset accidentally, service the truck within 3,000 mi of the last service. Extended idling: one hour counts as 33 mi.
What maintenance does a 2021 Chevrolet Silverado 1500 need?
The services not to skip on a 2021 Chevrolet Silverado 1500: engine oil & filter: Oil Life Monitor / 12 mo; brake fluid every 60 mo; fuel filter (3.0l diesel) every 30,000 mi / 24 mo; timing belt (3.0l diesel) every 150,000 mi / 180 mo. The table above lists every service with its interval and an estimated cost.