Quick Reference
140 ft-lb
Lug Nut Torque
60-80 PSI
Tire Pressure (Rear)
10 qt
Oil Capacity (Duramax)
22mm
Lug Nut Socket
Silverado 2500HD Tire Pressure (PSI)
Recommended tire pressure for Chevrolet Silverado 2500HD models by configuration. Dual rear wheel (DRW) models require higher pressure.
| Year Range | Configuration | Front PSI | Rear PSI | Spare |
|---|---|---|---|---|
| 2020-2024 | SRW (Single Rear Wheel) | 60 | 60 | 60 |
| 2020-2024 | DRW (Dual Rear Wheel) | 60 | 80 | 60 |
| 2015-2019 | SRW | 60 | 60 | 60 |
| 2015-2019 | DRW | 60 | 75 | 60 |
| 2011-2014 | SRW | 60 | 60 | 60 |
| 2011-2014 | DRW | 60 | 70 | 60 |
Load Note: Tire pressure varies with load. When towing or hauling max payload, increase rear pressure to max sidewall rating (typically 80 PSI). Always verify with door jamb sticker for your specific configuration and tire size.
Silverado 2500HD Lug Nut Torque Specs
| Year Range | Wheel Type | Torque (ft-lb) | Torque (Nm) | Socket Size |
|---|---|---|---|---|
| 2020-2024 | SRW All Wheels | 140 | 190 | 22mm |
| 2020-2024 | DRW All Wheels | 140 | 190 | 22mm |
| 2015-2019 | SRW All Wheels | 140 | 190 | 22mm |
| 2015-2019 | DRW All Wheels | 140 | 190 | 22mm |
| 2011-2014 | All Wheels | 140 | 190 | 22mm |
Torque Pattern: Use a star pattern. For DRW, torque inner nuts first, then outer nuts. Use a heavy-duty torque wrench rated for 200+ ft-lb. Re-torque after 50-100 miles, especially when towing.
Silverado 2500HD Oil Capacity
| Year | Engine | Capacity (qt) | Capacity (L) | Oil Type |
|---|---|---|---|---|
| 2020-2024 | 6.6L Duramax Diesel | 10 | 9.5 | 15W-40 |
| 2020-2024 | 6.6L V8 Gas | 8 | 7.6 | 0W-20 |
| 2017-2019 | 6.6L Duramax Diesel | 10 | 9.5 | 15W-40 |
| 2017-2019 | 6.0L V8 Gas | 6 | 5.7 | 5W-30 |
| 2015-2016 | 6.6L Duramax Diesel | 10 | 9.5 | 15W-40 |
| 2015-2016 | 6.0L V8 Gas | 6 | 5.7 | 5W-30 |
| 2011-2014 | 6.6L Duramax Diesel | 10 | 9.5 | 15W-40 |
| 2011-2014 | 6.0L V8 Gas | 6 | 5.7 | 5W-30 |
Duramax Note: 6.6L Duramax requires CK-4 rated diesel oil (Dexos D or equivalent). Capacity includes filter. Oil change interval: 7,500 miles for diesel; 7,500 miles for gas under normal conditions.
Silverado 2500HD Transmission Fluid
| Year | Transmission | Capacity (qt) | Fluid Type | Service Interval |
|---|---|---|---|---|
| 2020-2024 | Allison 10-Speed Auto | 12.7 | Dexron VI | 100,000 mi |
| 2017-2019 | Allison 6-Speed Auto | 12 | Dexron VI | 100,000 mi |
| 2015-2016 | Allison 6-Speed Auto | 12 | Dexron VI | 100,000 mi |
| 2011-2014 | Allison 6-Speed Auto | 12 | Dexron VI | 100,000 mi |
Severe Duty: If towing over 70% of max capacity regularly, reduce transmission service to 50,000-60,000 miles. Always use Dexron VI ATF.
Silverado 2500HD Maintenance Intervals
Diesel Engine (6.6L Duramax)
| Service | Interval | Notes |
|---|---|---|
| Oil & Filter Change | 7,500 mi | Severe duty: 5,000 mi |
| Fuel Filter Change | 22,500 mi | 15,000 mi if biodiesel |
| Air Filter | 45,000 mi | 22,500 mi dusty conditions |
| DEF (Diesel Exhaust Fluid) | As needed | Typically refill every 5,000 mi |
| DPF Regeneration | Automatic | Drive highway speeds weekly |
Gas Engine (6.0L / 6.6L Gas)
| Service | Interval | Notes |
|---|---|---|
| Oil & Filter Change | 7,500 mi | Severe duty: 5,000 mi |
| Spark Plugs | 100,000 mi | Iridium plugs |
| Air Filter | 45,000 mi | 22,500 mi dusty conditions |
| Coolant | 150,000 mi | Then every 50,000 mi |
Additional Silverado 2500HD Specs
Front Differential Fluid
| Axle Type | Capacity (qt) | Fluid Type |
|---|---|---|
| Front Diff (9.5" / 10.5") | 2.6 | 75W-90 Synthetic |
| Front Diff (11.5" AAM) | 3.8 | 75W-90 Synthetic |
Rear Differential Fluid
| Axle Type | Capacity (qt) | Fluid Type |
|---|---|---|
| Rear Diff 11.5" AAM (SRW) | 3.8 | 75W-90 Synthetic |
| Rear Diff 11.5" AAM (DRW) | 4.2 | 75W-90 Synthetic |
Other Torque Specs
| Component | Torque (ft-lb) |
|---|---|
| Oil Pan Drain Plug (Diesel) | 19 |
| Oil Pan Drain Plug (Gas) | 18 |
| Diff Cover Bolts | 20 |
Maintenance Guides for Your Chevy Silverado 2500
Step-by-step guides for common maintenance tasks on your Chevy Silverado 2500.
Check Tire Pressure
Maintain optimal PSI for safety and fuel economy
Torque Lug Nuts Properly
Avoid damage with correct torque specs
Change Your Oil
Complete DIY oil change guide with tools needed
Rotate Your Tires
Extend tire life with proper rotation patterns
Check Transmission Fluid
Ensure smooth shifting and transmission health
Test Your Battery
Prevent dead batteries with regular testing
More Guides: Visit our complete how-to guide library for brake repairs, electrical system diagnostics, seasonal maintenance, and more.
Recommended Tools & Parts for Chevy Silverado 2500 Maintenance
Essential tools and parts for maintaining your Chevy Silverado 2500. As an Amazon Associate, we earn from qualifying purchases.
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