2001-2006

Engine 4.8L 8-Cylinder 

• Recommended Oil Viscosity: 5W-30

• Oil certification: API

• Drain plug torque: 18 ft-lbs

• Oil capacity: 6.0 quarts

Spark Plug Gap

• 4.8L 8-Cylinder : 0.040''

Engine 5.3L 8-Cylinder 

• Recommended Oil Viscosity: 5W-30

• Oil certification: API

• Drain plug torque: 18 ft-lbs

• Oil capacity: 6.0 quarts

Spark Plug Gap

• 5.3L 8-Cylinder: 0.040''

Engine 6.0L 8-Cylinder

• Recommended Oil Viscosity: 5W-30

• Oil certification: API

• Drain plug torque: 18 ft-lbs

• Oil capacity: 6.0 quarts

Spark Plug Gap

• 6.0L 8-Cylinder: 0.040''

Cooling System

• Capacity:

  • 4800 V8 Electric Cooling Fan System:16.7 qt (15.8 L)

  • 5300 V8 Electric Cooling Fan System:16.7 qt (15.8 L)

  • 6000 V8 Engine Fan Driven Cooling System :16.2 qt (15.3 L)

  • 6000 V8 Electric Cooling Fan System: 16.8 qt (15.9 L)

  • 8100 V8 Engine Fan Driven Cooling System: 26.9 qt (25.5 L)

Fuel Tank

• Capacity:

  • Yukon : 26.0 gal (98.4 L)

  • Yukon XL (1500 Series): 31.0 gal (117.3 L)

  • Yukon XL (2500 Series) 37.5 gal (140.0 L)

Transfer Case Fluid

• Capacity : 2.0 qts (1.9 L)

Engine Coolant

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

Hydraulic Brake System

• Type: Delco® Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid.

Windshield Washer Solvent

• Type: Optikleen® Washer Solvent.

Power Steering System

• Type: GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186) 

Automatic Transmission

• Type: DEXRON®-VI Automatic Transmission Fluid

Key Lock Cylinders

• Type: Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).

Front Axle (Four-Wheel Drive)

• Type: SAE 80W-90 Axle Lubricant (GM Part No. U.S. 1052271, in Canada 10950849)

Front Axle (All-Wheel Drive)

• Type: SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115

Rear Axle

• Type: SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115 

Transfer Case (All-Wheel Drive with StabiliTrak®

• Type: DEXRON®-III Automatic Transmission Fluid. Look for “Approved for the H-Specification” on the label.

Automatic Transfer Case (Four-Wheel Drive)

• Type: AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626)

AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626)

• Type: Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879, in Canada 10953511) or lubricant meeting requirements of GM 9985830.

Hood Hinges

• Type: Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474)

Outer Tailgate Handle Pivot Points, Hinges, Latch Bolt, and Linkage

• Type: Multi-Purpose Lubricant, Superlube GM Part No. U.S. 12346241, in Canada 10953474).

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).

Powertrain

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Engine

• 4.8 L 275 hp (205 kW) V8

• 5.3 L 285 hp (213 kW) V8

• 5.7 L Small-Block Chevrolet V8 (Mexico Only)

Transmission

• 4-speed 4L60-E automatic

Fuel Consumption

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Safety Ratings

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References

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1. 2006 GMC Yukon Owners Manual 

2. GMC Yukon- Wikipedia.org

3. US Department of Energy - FuelEconomy.gov

4. NHTSA | National Highway Traffic Safety Administration -  NHTSA.gov