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2014-2022 (12th gen)

The 12th generation Chevrolet Suburban, from 2014 to 2022, marked a significant evolution in the full-size SUV’s design, performance, and technology. Built on the GMT K2XX platform, it retained its imposing stature while shedding weight thanks to the extensive use of high-strength steel and aluminum. This generation exhibited a modern, refined exterior, featuring a bold grille and sleeker lines. The interior saw a major upgrade, with more luxurious materials, advanced infotainment systems, and spacious seating for up to nine occupants across three rows. Safety features were enhanced, with options like adaptive cruise control, blind-spot monitoring, and forward collision warning. Under the hood, the 12th-gen Suburban offered a range of powerful V8 engines, with four-wheel drive options. Its impressive towing capacity and versatile cargo space made it a popular choice for families and adventurers. With a perfect blend of capability, comfort, and advanced tech, this Suburban generation remained a leader in the full-size SUV segment.

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Specifications

Chevrolet Suburban specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, Transmission, and light bulb sizes.

Engine 5.3L 8-Cylinder

  • Recommended oil viscosity: 5W-30
  • Oil certification: DEXOS-1
  • Drain plug torque: 19 ft-lbs
  • Oil capacity: 5.0 quarts.

Spark Plug Gap

  • 5.3L 8-Cylinder:0.040”

Fuel

  • Capacity: 
    • Short Wheelbase:26.0 gal (98.4 L)
    • Long Wheelbase: 31.5 gal (119.2 L)

Coolant

  • Type: 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
  • Capacity: 17.8 qt (16.8 L)

Transfer Case Fluid

  • Capacity: 1.6 qt (1.5 L)

Automatic Transmission (6-Speed Transmission)

  • Type: DEXRON-VI Automatic Transmission Fluid.

Automatic Transmission (10-Speed Transmission)

  • 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.

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)

Hydraulic Brake System

  • Type: DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127)

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.

Weatherstrip Conditioning

  • Type: Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or equivalent.

Weatherstrip Squeaks

  • Type: Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in Canada 10953437).

Windshield Washer

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

Fuel Consumption

CHEVROLET FUEL CONSUMPTION

Safety Ratings

Chevrolet Safety Ratings Sub Urban

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

References