V6 Engine Change Ignition Coils Specs Specifications

2021-Present GMC Yukon Specifications

Look up GMC Yukon specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.

Engine 5.3L 8-Cylinder

  • Recommended Oil Viscosity: 0W-20
  • Oil certification: API
  • 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: API
  • Oil capacity: 8.0 quarts

Spark Plug Gap

  • 5.3L 8-Cylinder: 0.040”

Engine 3.0L 6-Cylinder

  • Recommended Oil Viscosity: 0W-20
  • Oil certification: API
  • Drain plug torque: 18 ft-lbs
  • Oil capacity: 7.0 quarts

Cooling System

  • Capacity: 
    • 5.3L V8 Engine:15.6 qt (14.8 L)
    • 6.2L V8 Engine:  15.1 qt (14.3 L)

Fuel Tank

  • Capacity
    • Short Wheelbase: 24.0 gal (90.8 L)
    • Long Wheelbase:28.0 gal (106.0 L)

Transfer Case Fluid

  • Capacity: 1.6 qt:(1.5 L)

Automatic Transmission

  • Type: DEXRON ULV Automatic Transmission Fluid

Chassis Lubrication

  • Type: Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB

Coolant

  • Type: 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.

Hydraulic Brake System

  • Type: DOT 4 Hydraulic Brake Fluid

Key Lock Cylinders, Hood Hinges, Body Door Hinge Pins, Power Assist Steps, Liftgate Hinge, and Fuel Door Hinge

  • Type: Multi-Purpose Lubricant, Superlube

Weatherstrip Conditioning

  • Type: Weatherstrip Lubricant

Windshield Washer

  • Type: Automotive windshield washer fluid that meets regional freeze protection requirements.

Powertrain

Engine

  • 5.3 L (325 cu in) L84 EcoTec3 V8
  • 6.2 L (378 cu in) L87 EcoTec3 V8 (Yukon Denali; Tahoe High Country)
  • 3.0 L Duramax I6 engine turbodiesel

Transmission

  • 10-speed Hydra-Matic 10L80 automatic

Fuel Consumption

GMC YUKON 2021 FUEL CONSUMPTION

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