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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''

Engine 3.0L 6-Cylinder

  • Recommended oil viscosity: 0W-20

  • Oil certification: DEXOS-D

  • Oil capacity: 7.0 quarts 

Fuel

Capacity

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

Coolant

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

  • 6.2L V8 Engine: 15.1 qt (14.3L)

Transfer Case Fluid

  • Capacity: 1.6 qt (1.5L) 

Automatic Transmission 

  • DEXRON ULV Automatic Transmission Fluid.

Chassis Lubrication 

  • Lubricant meeting requirements of NLGI #2, Category LB or GC-LB.

Engine Coolant 

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

Front Axle (4WD Only) and Rear Axle. 

  • See your dealer.

Hydraulic Brake System 

  • DOT 4 Hydraulic Brake Fluid.

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

  • Multi-Purpose Lubricant, Superlube.

Weatherstrip Conditioning

  •  Weatherstrip lubricant. See your dealer.

Windshield Washer 

  • 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


CHEVROLET TAHOE 2021 FUEL CONSUMPTION

References


  1. 2021 Chevrolet Tahoe Owners Manual 

  2. Chevrolet Tahoe - Wikipedia.org

  3. US Department of Energy - FuelEconomy.gov

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

 

Lights

Front Lights

  • Daytime Running Light Bulb:

    • 9005LL

    •  LED

  • Front Fog Light Bulb: 12278

  • Front Sidemarker Light Bulb: LED

  • Front Turn Signal Light Bulb: 7440NA

  • High Beam Headlight Bulb: 9005LL

  • Low Beam Headlight Bulb:

    • H11LL

    •  HID-D3S 

Rear Lights

  • Back Up Light Bulb: 921

  • Brake Light Bulb: 7440LL

  • 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: 7440LL

  • Tail Light Bulb: LED

Interior Lights

  • Dome Light Bulb : LED

  • Interior Door Light Bulb: LED

  • Luggage Compartment Light Bulb: LED

  • Map Light Bulb: LED