4.3L V6 EcoTec3 (LV3)
- Oil viscosity
- 5W-30
- Oil capacity
- 6 qt with filter
- Oil spec
- dexos1
- Timing drive
- Chain, no scheduled service
- Coolant
- Dexcool (orange)
K2XX (2014 to 2018)
2015 Chevrolet Silverado 1500 Maintenance Schedule
Enter the current mileage to see what needs attention, then use the milestones below to plan the work ahead.
Review status Aug 11, 2026 Verification against the printed manual in progress
BodyPickup
DriveRWD / 4WD
Transmission6-speed automatic (6L80) / 8-speed automatic (8L90, 6.2L and some 5.3L)
Engines3 available
01 / Full schedule
Service points by mileage
Grouped the way a service booklet reads. Costs are broad national shop ranges; severe use shortens the intervals shown in that column.
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Engine oil | Replace | 7,500 mi / 12 mo | 5,000 mi / 6 mo | $65 to $125 | Light |
| Oil filter | Replace | 7,500 mi / 12 mo | 5,000 mi / 6 mo | Included in service | Light |
| Tire rotation | Rotate | Every 7,500 mi | Same | $25 to $60 | Light |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Front brake pads | Inspect | 10,000 mi / 12 mo | Same | $150 to $320 | Moderate |
| Rear brake pads | Inspect | 10,000 mi / 12 mo | Same | $150 to $320 | Moderate |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Brake lines and hoses | Inspect | 15,000 mi / 12 mo | Same | Up to $60 | Light |
| Suspension and steering inspection | Inspect | 15,000 mi / 12 mo | Same | Up to $90 | Light |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Cabin air filter | Replace | 22,500 mi / 24 mo | Same | $45 to $95 | Easy |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Shocks and struts | Inspect | Every 30,000 mi | Same | $600 to $1400 | Involved |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Engine air filter | Replace | Every 45,000 mi | 22,500 mi | $35 to $75 | Easy |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Serpentine belt | Inspect | First at 60,000 mi, then every 15,000 mi | Same | $90 to $200 | Light |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Automatic transmission fluid | Replace | Every 97,500 mi | 45,000 mi | $150 to $320 | Moderate |
| Front differential fluid | Replace | Every 97,500 mi | 45,000 mi | $70 to $140 | Moderate |
| Rear differential fluid | Replace | Every 97,500 mi | 45,000 mi | $70 to $140 | Moderate |
| Spark plugs | Replace | Every 97,500 mi | Same | $150 to $420 | Moderate |
| Transfer case fluid | Replace | Every 97,500 mi | 45,000 mi | $75 to $150 | Moderate |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Engine coolant | Replace | 150,000 mi / 60 mo | Same | $130 to $260 | Moderate |
| Service item | Action | Normal interval | Severe use | Shop range | DIY |
|---|---|---|---|---|---|
| Battery | Test | Every 12 mo | Same | $160 to $320 | Light |
| Battery terminal cleaning | Clean | Every 12 mo | Same | Up to $40 | Easy |
| Brake fluid | Flush | Every 60 mo | Same | $90 to $160 | Moderate |
| Tire pressure | Inspect | Every 1 mo | Same | Up to $10 | Easy |
| Washer fluid | Inspect | Every 1 mo | Same | Up to $10 | Easy |
| Wiper blades | Inspect | Every 6 mo | Same | $30 to $80 | Easy |
Time limits still apply when you drive fewer miles than the interval. Calendar-based items are listed in their own group above.
02 / Engine and fluids
The specs people need at the parts counter
Confirm the engine before buying fluids, filters, or ignition parts. Capacities and specs differ between them.
5.3L V8 EcoTec3 (L83)
- Oil viscosity
- 0W-20
- Oil capacity
- 8 qt with filter
- Oil spec
- dexos1
- Timing drive
- Chain, no scheduled service
- Coolant
- Dexcool (orange)
6.2L V8 EcoTec3 (L86)
- Oil viscosity
- 0W-20
- Oil capacity
- 8 qt with filter
- Oil spec
- dexos1
- Timing drive
- Chain, no scheduled service
- Coolant
- Dexcool (orange)
Common tire sizes 255/70R17265/65R18275/55R20
03 / The year in context
What this schedule asks of you
The 2015 Silverado 1500 sits in the K2XX generation with the EcoTec3 engine family and a schedule paced by the Oil Life System. Treat 7,500 miles as the oil ceiling, rotate every 7,500, and plan around long horizons elsewhere: 45,000-mile air filters, 97,500-mile plugs, and five-year Dexcool.
The two ownership issues worth naming are both drivetrain. Active Fuel Management on the V8s can consume oil and, at the extreme, drop a lifter, so oil level discipline matters more here than on most trucks. And the 8-speed, where fitted, has a known shudder with an equally known fluid-exchange fix.
Worked trucks belong on the severe schedule, which pulls the transmission and axle services from 97,500 miles down to 45,000. For a pavement commuter, this generation is inexpensive to run and every part is stocked everywhere.
SEV
Shorter intervals
Do you use the severe schedule?
Frequent short trips, towing, dusty roads, extreme temperatures, and long idling shorten the intervals. The severe column in the table above shows by how much; the toggle in the mileage check applies it.
Check severe-use timing04 / Worth knowing
Before you book service
- 01
The 5.3L and 6.2L run Active Fuel Management, and AFM lifter failures plus oil consumption are the best-known weaknesses of this truck. A monthly dipstick check is not optional on high-mileage examples.
- 02
Trucks with the 8L90 8-speed developed a well-documented torque converter shudder. The published fix is a full exchange to the updated low-viscosity ATF; if the truck shudders at light throttle around 25 to 45 mph, that flush is the first step.
- 03
The V8s take 0W-20 while the 4.3L takes 5W-30, all dexos1 licensed. Eight quarts for the V8s surprises first-time owners at the register.
- 04
Plugs run 97,500 miles and coolant five years or 150,000; between those, routine cost is mostly oil, rotation, and brakes.
05 / Cost outlook
What routine service may cost
Estimated from this schedule over five years or 60,000 miles of normal driving. Parts, labor rates, location, and condition all move the total; treat these as planning figures.
5 years / 60K at a shop $940 to $2,100 Independent shop rates
DIY parts estimate $340 to $890 Routine items only
Some links below are affiliate links. If you buy through them, this site earns a commission at no extra cost to you. See the full disclosure.
Find parts for this Silverado 1500
- Engine oilAmazon AutoZone O'Reilly Auto Parts
- Engine air filterAmazon AutoZone O'Reilly Auto Parts
- Cabin air filterAmazon AutoZone O'Reilly Auto Parts
- Wiper bladesAmazon AutoZone O'Reilly Auto Parts
- Front brake padsAmazon AutoZone O'Reilly Auto Parts
- BatteryAmazon AutoZone O'Reilly Auto Parts
08 / Common questions
2015 Silverado 1500 service answers
01 How often does a 2015 Chevrolet Silverado 1500 need an oil change?
The published interval is every 7,500 miles or 12 months, whichever comes first. Under severe conditions such as short trips, towing, dust, or extreme temperatures, the interval drops to 5,000 miles.
02 Does the 2015 Chevrolet Silverado 1500 have a timing belt or a timing chain?
Every available engine, the 4.3L V6 EcoTec3 (LV3) and the 5.3L V8 EcoTec3 (L83) and the 6.2L V8 EcoTec3 (L86), uses a timing chain. There is no scheduled timing belt replacement.
03 What oil does the 2015 Chevrolet Silverado 1500 take, and how much?
4.3L V6 EcoTec3 (LV3): 5W-30, 6 quarts with filter. 5.3L V8 EcoTec3 (L83): 0W-20, 8 quarts with filter. 6.2L V8 EcoTec3 (L86): 0W-20, 8 quarts with filter. Confirm the grade printed in the owner's manual before buying.
04 When do the spark plugs need to be replaced on a 2015 Chevrolet Silverado 1500?
The schedule calls for spark plugs every 97,500 miles.
05 Does the 2015 Chevrolet Silverado 1500 ever need automatic transmission fluid changes?
Plan on automatic transmission fluid every 97,500 miles, or 45,000 miles under severe use. Severe covers towing, plowing, and sustained hot-climate hauling.
06 When does the 2015 Chevrolet Silverado 1500 need a coolant change?
Engine coolant is due every 150,000 miles. The specified coolant is Dexcool (orange).
07 What extra maintenance does the 4WD Silverado 1500 need?
The driveline adds its own fluids: differential gear oil and, where fitted, transfer case fluid. They are inexpensive services with long intervals under normal use, and much shorter ones under towing or off-road duty. The schedule table lists each with its interval.
08 What counts as severe service for the 2015 Chevrolet Silverado 1500?
Repeated trips under about five miles, extended idling, stop-and-go traffic in heat, dusty or gravel roads, towing, and sustained sub-freezing starts. If a few of those describe a typical week, use the severe column in the table above; most manufacturers write their fine print around exactly that kind of driving.
09 / Sources
Where this schedule came from
- 2015 Chevrolet Silverado 1500 Owner's Manual, maintenance section Accessed 2026-08-11
- 2015 Chevrolet Silverado 1500 maintenance schedule booklet Accessed 2026-08-11
Reference only. Confirm the schedule for your exact vehicle in the owner's manual. This site is not affiliated with Chevrolet or any manufacturer.
Report an error on this page CSD / REM 01
One service reminder
Own a 2015 Silverado 1500?
One email when your next service is coming up. Nothing else.