GMC Yukon 2021-present Fuel System Specifications
GMC Yukon 2021-present

GMC Yukon 2021-present Fuel System Specifications

Discover the comprehensive fuel specifications for the 2021-Present GMC Yukon, including fuel type, tank capacity, economy, and emissions. Essential for owners and technicians.

Updated

Overview Specifications

This document provides detailed fuel specifications for the 2021-Present GMC Yukon. It includes information on fuel types, efficiency, tank capacity, and performance metrics. Use this guide to understand the vehicle's fuel system and optimize its usage. The 'How To' section explains how to navigate the document, while the 'Sections' provide in-depth technical details. The 'Quick Reference' offers a summary of key specifications for quick access.

How to Use

Use the search bar to find specific terms or keywords related to fuel specifications. Enter phrases like 'fuel efficiency' or 'tank capacity' to locate relevant sections quickly.

Scroll through the sections to explore detailed information. Use the table of contents to jump directly to specific topics like 'Fuel Types' or 'Performance Metrics'.

Key Specifications

Fuel Type (Gasoline)

Unleaded 87+

Fuel Type (Diesel)

ULSD

Fuel Efficiency (Combined)

18 MPG (Gas), 23 MPG (Diesel)

Fuel Tank Capacity

24-26 gallons

Driving Range

Approx. 430-550 miles

Available Specifications

Fuel Types

This section covers the types of fuel compatible with the 2021-Present GMC Yukon. It includes details on gasoline, diesel, and alternative fuel options, as well as recommendations for optimal performance.

Gasoline Specifications
  • Requires unleaded gasoline with an octane rating of 87 or higher
  • Premium fuel recommended for maximum performance
  • Ethanol blends up to 15% (E15) are acceptable
  • Avoid using fuels with higher ethanol content
Diesel Specifications
  • Available in the Yukon Diesel model
  • Requires ultra-low sulfur diesel (ULSD)
  • Recommended Cetane rating of 40 or higher
  • Additives for improved performance and cleanliness

Fuel Efficiency

This section provides detailed information on the fuel efficiency of the GMC Yukon, including city, highway, and combined MPG ratings.

Gasoline Engine Efficiency
  • City MPG: 16
  • Highway MPG: 20
  • Combined MPG: 18
  • Varies based on driving conditions and load
Diesel Engine Efficiency
  • City MPG: 21
  • Highway MPG: 27
  • Combined MPG: 23
  • Superior efficiency for long-distance driving

Fuel Tank Capacity

This section outlines the fuel tank capacity of the GMC Yukon, including variations between different trims and models.

Standard Fuel Tank
  • Gasoline models: 24-gallon tank
  • Diesel models: 26-gallon tank
  • Extended range available in some trims
  • Tank size affects driving range

Component Specifications

Overview

Type
Gasoline/Diesel
Configuration
V8/V6
Platform
GM T1XX
Material
Aluminum/Steel
Location
Front engine, rear-wheel/all-wheel drive

Dimensions

Fuel Tank Capacity
28 gal (106 L)
Fuel Line Diameter
0.375 in (9.525 mm)
Fuel Pump Pressure
58 psi (400 kPa)
Fuel Filter Size
4 in x 2.5 in (101.6 mm x 63.5 mm)
Fuel injector Flow Rate
24 lb/hr (10.89 kg/hr)
Fuel Rail Length
24 in (609.6 mm)
Fuel Rail Diameter
0.75 in (19.05 mm)

Materials

Fuel Tank
High-density polyethylene
Fuel Lines
Nylon with stainless steel braiding
Fuel Pump
Thermoplastic with metal components
Fuel injectors
Stainless steel with ceramic components
Fuel Rail
Aluminum alloy

Features

Fuel Delivery
  • Direct injection
  • High-pressure fuel pump
  • Variable displacement pump
  • Electronic fuel pressure regulator
Fuel Management
  • Adaptive fuel control
  • Real-time fuel trim adjustment
  • Fuel economy optimization
  • Dynamic cylinder deactivation
Fuel Safety
  • Rollover valve
  • Fuel cut-off switch
  • Leak detection system
  • Evaporative emissions control
Fuel Monitoring
  • Fuel level sensor
  • Low fuel warning
  • Miles to empty calculation
  • Fuel consumption display
Fuel Efficiency
  • Auto start/stop technology
  • Eco mode
  • Active thermal management
  • Aerodynamic fuel system design

Safety Features

Crash Safety
  • Fuel pump shut-off in collisions
  • Impact-resistant fuel tank
  • Fire suppression system
Emissions Control
  • EVAP system
  • Carbon canister
  • OBD-II compliance
Leak Prevention
  • Double-wall fuel lines
  • Pressure relief valve
  • Sealed fuel connections

Comfort Features

Refueling
  • Capless fuel filler
  • Automatic fuel door
  • Fuel level indicator on dashboard
Noise Reduction
  • Quiet fuel pump operation
  • Vibration dampening mounts
  • Insulated fuel lines
Convenience
  • Keyless fuel door release
  • Remote fuel level check
  • Fuel station locator in navigation

Accessories

Fuel Additives
  • Fuel system cleaner
  • Octane booster
  • Diesel cetane improver
Fuel Containers
  • Portable fuel can
  • Emergency fuel bladder
  • Spill-proof fuel container
Fuel Tools
  • Fuel pressure tester
  • Fuel line disconnect tool
  • Fuel injector cleaner

Maintenance

Service interval
Every 7,500 miles or 12 months
Service Items
  • Replace fuel filter
  • Inspect fuel lines
  • Check fuel pump pressure
  • Clean fuel injectors
  • Test EVAP system
Maintenance Notes
Use only recommended fuel types and additives

Warranty

Basic
3 years/36,000 miles
Powertrain
5 years/60,000 miles
Emissions
8 years/80,000 miles
Corrosion
6 years/100,000 miles
Warranty Terms
Covers defects in materials and workmanship

Production Details

Manufacturer
General Motors
Manufacturing Process
  • Robotic assembly
  • Precision machining
  • Automated quality inspection
Quality Control
Pressure Testing: Yes
Leak Testing: Yes
Material Certification: ISO 9001
Sustainability Practices
  • Recycled materials
  • Low-emission manufacturing
  • Energy-efficient processes
Production Metrics
Annual Output: 250,000 units
Defect Rate: Less than 0.1%
Lead Time: 2 weeks

Service Information for fuel Service

Maintenance and service requirements specific to the fuel system

7,500
12
  • Inspect fuel lines for leaks
  • Check fuel pump operation
  • Test fuel pressure
  • Inspect fuel injectors
  • Replace fuel filter if necessary

Use only manufacturer-recommended fuel types

15,000
24
  • Clean fuel injectors
  • Inspect EVAP system
  • Check fuel tank for damage
  • Test fuel level sensor
  • Inspect fuel cap seal

Perform a full system diagnostic

30,000
48
  • Replace fuel filter
  • Inspect and clean fuel tank
  • Check fuel pump pressure
  • Test fuel rail pressure
  • Inspect all fuel system components

Replace any worn or damaged components

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What type of fuel is recommended for the 2021-Present GMC Yukon?

The 2021-Present GMC Yukon is designed to run on regular unleaded gasoline with an octane rating of 87 or higher. For optimal performance, especially in high-performance models like the Yukon Denali, using premium unleaded gasoline with an octane rating of 91 or higher is recommended. Always refer to the owner's manual for specific fuel requirements and compatibility details.

Q2

What are the maintenance requirements for the GMC Yukon's fuel system?

The GMC Yukon's fuel system requires regular maintenance to ensure optimal performance. This includes inspecting and replacing the fuel filter every 30,000 miles, checking for fuel leaks, and using fuel system cleaners every 15,000 miles to prevent carbon buildup. Additionally, it's important to follow the manufacturer's recommended service intervals for the fuel pump and injectors.

Q3

How do I replace the fuel filter in a GMC Yukon?

To replace the fuel filter in a GMC Yukon, first, relieve the fuel system pressure by disconnecting the fuel pump fuse and running the engine until it stalls. Locate the fuel filter, usually along the fuel line under the vehicle. Disconnect the fuel lines using a fuel line disconnect tool, remove the old filter, and install the new one. Reconnect the fuel lines, replace the fuse, and start the engine to check for leaks.

Q4

What should I do if my GMC Yukon is experiencing fuel delivery issues?

If your GMC Yukon is experiencing fuel delivery issues, start by checking the fuel pump fuse and relay. Inspect the fuel lines for leaks or blockages and ensure the fuel filter is not clogged. If the issue persists, use a fuel pressure gauge to test the fuel pump's output. If the pump is faulty, it may need to be replaced. Always consult a professional mechanic for complex issues.

Q5

How can I optimize the fuel efficiency of my GMC Yukon?

To optimize the fuel efficiency of your GMC Yukon, maintain proper tire pressure, use the recommended grade of motor oil, and avoid excessive idling. Regularly replace air filters and spark plugs, and ensure the fuel system is clean. Driving habits also play a significant role; avoid rapid acceleration and heavy braking. Using cruise control on highways can also help maintain consistent fuel consumption.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2021-Present GMC Yukon Owner's Manual

Coming Soon

Comprehensive guide covering all aspects of vehicle operation, maintenance, and troubleshooting for the 2021-Present GMC Yukon.

Technical Service Bulletin: Fuel System Updates

Coming Soon

Latest updates and fixes for the fuel system of the 2021-Present GMC Yukon, including common issues and recommended solutions.

GMC Yukon Parts and Accessories Catalog

Coming Soon

Detailed catalog of genuine parts and accessories for the 2021-Present GMC Yukon, including fuel system components.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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