Quick Reference
140 ft-lb
Lug Nut Torque
35-36 PSI
Tire Pressure (Typical)
6.0-8.0 qt
Oil Capacity
22mm
Lug Nut Socket
GMC Yukon Tire Pressure (PSI)
Recommended tire pressure varies by year, tire size, and load. Check door jamb sticker for your specific vehicle.
| Year Range | Trim/Config | Front PSI | Rear PSI | Spare |
|---|---|---|---|---|
| 2021-2025 | SLE / SLT (20" wheels) | 35 | 35 | 60 |
| 2021-2025 | Denali (22" wheels) | 36 | 36 | 60 |
| 2021-2025 | AT4 (18" wheels) | 35 | 35 | 60 |
| 2021-2025 | Denali (max load) | 38 | 38 | 60 |
| 2015-2020 | SLE / SLT (18" wheels) | 35 | 35 | 60 |
| 2015-2020 | Denali (20" wheels) | 35 | 35 | 60 |
| 2015-2020 | Denali (22" wheels) | 36 | 36 | 60 |
| 2007-2014 | All Trims (17-20" wheels) | 35 | 35 | 60 |
Note: Always verify using the tire information placard on the driver's door jamb. Pressure may vary based on tire size and load conditions. Higher pressures may be required for towing or heavy loads.
GMC Yukon Lug Nut Torque Specs
| Year Range | Wheel Type | Torque (ft-lb) | Torque (Nm) | Socket Size |
|---|---|---|---|---|
| 2021-2025 | All Wheels | 140 | 190 | 22mm |
| 2015-2020 | All Wheels | 140 | 190 | 22mm |
| 2007-2014 | All Wheels | 140 | 190 | 22mm |
Torque Pattern: Use a star pattern when tightening lug nuts. Tighten in 3 stages (50%, 75%, 100%). Re-torque after 50-100 miles.
GMC Yukon Oil Capacity
| Year | Engine | Capacity (qt) | Capacity (L) | Oil Type |
|---|---|---|---|---|
| 2023-2025 | 3.0L Duramax I6 Diesel | 10.0 | 9.5 | 0W-20 |
| 2021-2025 | 5.3L V8 | 6.0 | 5.7 | 0W-20 |
| 2021-2025 | 6.2L V8 (Denali) | 6.0 | 5.7 | 0W-20 |
| 2015-2020 | 5.3L V8 | 8.0 | 7.6 | 5W-30 |
| 2015-2020 | 6.2L V8 (Denali) | 8.0 | 7.6 | 5W-30 |
| 2009-2014 | 5.3L V8 | 6.0 | 5.7 | 5W-30 |
| 2009-2014 | 6.2L V8 (Denali) | 6.0 | 5.7 | 5W-30 |
| 2007-2008 | 5.3L V8 | 6.0 | 5.7 | 5W-30 |
| 2007-2008 | 6.0L V8 | 6.0 | 5.7 | 5W-30 |
Filter Note: Capacity includes filter. Use GM OEM or equivalent high-quality filter. Diesel engines require diesel-specific oil. Always verify with dipstick after filling.
Additional Yukon Specs
Spark Plug Torque
| Engine | Torque (ft-lb) | Gap |
|---|---|---|
| 5.3L V8 (2021+) | 15 | 0.040" |
| 6.2L V8 (2021+) | 15 | 0.040" |
| 5.3L V8 (2007-2020) | 11 | 0.040" |
| 6.2L V8 (2007-2020) | 11 | 0.040" |
Drain Plug Torque
| Component | Torque (ft-lb) |
|---|---|
| Oil Pan Drain Plug | 18 |
| Transmission Drain Plug | 20 |
| Transfer Case Drain | 18 |
| Differential Drain | 24 |
Transmission Fluid Capacity
| Year Range | Transmission | Capacity (qt) | Type |
|---|---|---|---|
| 2021-2025 | 10-Speed Automatic | 13.0 (total) | Dexron VI |
| 2015-2020 | 6-Speed Automatic | 12.0 (total) | Dexron VI |
| 2007-2014 | 6-Speed Automatic | 11.5 (total) | Dexron VI |
Differential Fluid
| Component | Capacity (qt) | Type |
|---|---|---|
| Front Differential (4WD) | 2.6 | 75W-90 GL-5 |
| Rear Differential | 3.5 | 75W-90 GL-5 |
| Transfer Case (4WD) | 2.0 | Dexron VI |
Maintenance Guides for Your Gmc Yukon
Step-by-step guides for common maintenance tasks on your Gmc Yukon.
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 Yukon Maintenance
Essential tools and parts for maintaining your GMC Yukon. As an Amazon Associate, we earn from qualifying purchases.
Affiliate Disclosure: The Mechanic is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We only recommend products we believe will be helpful for maintaining your vehicle.