2015-2020 GMC Yukon Specifications
Engine 5.3L 8-Cylinder
- Recommended Oil Viscosity: 0W-20
- Oil certification: DEXOS-1
- Oil capacity: 8.0 quarts
Spark Plug Gap
- 5.3L 8-Cylinder: 0.040”
Engine 6.2L 8-Cylinder
- Recommended Oil Viscosity: 0W-20
- Oil certification: DEXOS-1
- Oil capacity: 8.0 quarts
Spark Plug Gap
- 6.2L 8-Cylinder: 0.040”
Cooling System
- Capacity:
- 5.3L V8; 6.2L V8:17.8 qt (16.8 L)
Fuel Tank
- Capacity
- Short Wheelbase:26.0 gal ( 98.4 L)
- Long Wheelbase:31.5 gal (119.2 L)
Transfer Case Fluid
- Capacity: 1.6 qt (1.5 L)
Automatic Transmission (Except Denali)
- Type: DEXRON-VI Automatic Transmission Fluid
Automatic Transmission (Denali Only)
- Type: DEXRON ULV Automatic Transmission Fluid (GM Part No. 19352619, in Canada 19352620)
Chassis Lubrication
- Type: Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB
Engine Coolant
- Type: 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant.
Front Axle (Four-Wheel Drive)
- Type: SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678)
Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive)
- Type: Spline Lubricant, Special Lubricant (GM Part No. 19257121, in Canada 19257122)
Key Lock Cylinders, Hood Hinges, Power Assist Steps, and Outer Liftgate Handle Pivot Points
- Type: Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).
Rear Axle
- Type: SAE 75W-85 Synthetic Axle Lubricant (GM Part No. 19300457, in Canada 19300458).
Transfer Case (Four-Wheel Drive)
- Type: DEXRON®-VI Automatic Transmission Fluid
Hydraulic Brake System
- Type: DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19299819).
Windshield Washer Solvent
- Type: Automotive windshield washer fluid that meets regional freeze protection requirements.
Power Steering System
- Type: GM Power Steering Fluid (GM Part No. 89021185, in Canada 89021186).
Weatherstrip Conditioning
- Type: Weatherstrip Lubricant (GM Part No. U.S. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 992887).
Weatherstrip Squeaks
- Type: Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287, in Canada 10953437)
Windshield Washer
- Type: Automotive windshield washer fluid that meets regional freeze protection requirements
Powertrain
Engine
- 5.3 L Ecotec3 FlexFuel V8
- 6.2 L Ecotec3 FlexFuel V8
Transmission
- 6-speed 6L80 automatic
- 8-speed 8L90 automatic (Denali)