GMC Yukon 2015-2020

The GMC Yukon, from 2015 to 2020, represented a significant evolution in the full-size SUV segment. This generation of the Yukon was built on a robust platform, providing a spacious and comfortable cabin for passengers and ample cargo space. Available in standard and extended-length Yukon XL versions, it catered to various needs, from family hauler to cargo transporter. The exterior design featured a bold front grille and distinctive lighting elements, commanding the road presence.

Under the hood, the Yukon offered a range of powerful V8 engines for impressive towing capacity, making it suitable for hauling trailers, boats, or other heavy loads. Advanced technology and safety features were integrated into the vehicle, including advanced infotainment systems, driver assistance features, and improved connectivity options. The Yukon's suspension system ensured a smooth and comfortable ride, while four-wheel-drive models enhanced its off-road capabilities. Overall, this generation of the GMC Yukon was a well-rounded and versatile choice for those seeking a full-size SUV with ample space, technology, and towing capacity.

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)

Fuel Consumption

Safety Ratings

Front Lights

• Daytime Running Light Bulb: LED
• Front Fog Light Bulb: 12278
• Front Sidemarker Light Bulb: LED
• Front Turn Signal Light Bulb: LED
• High Beam Headlight Bulb: 9005LL
• Low Beam Headlight Bulb:
  • H11LL
  •  HID-D3S

Rear Lights

• Back Up Light Bulb: 921
• Brake Light Bulb: LED
• Center High Mount Stop Light Bulb: LED
• License Plate Light Bulb: 2825L
• Parking Light Bulb: LED
• Rear Sidemarker Light Bulb: LED
• Rear Turn Signal Light Bulb: LED
• Tail Light Bulb: LED

Interior Lights

• Dome Light Bulb: LED
• Luggage Compartment Light Bulb: LED
• Map Light Bulb: LED
• Vanity Mirror Light Bulb: 6612F