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2021 GMC Yukon XL Service and Repair Manual
Regular price
$49.99 USD
Unit price
Covers all 2021 Yukon XL trims — SLE Sport Utility 4-Door, AT4 Sport Utility 4-Door, Denali Sport Utility 4-Door +1 more ·
Digital manual — nothing ships
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Complete repair procedures
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$49.99
2021 GMC Yukon XL Service and Repair Manual
Regular price
$49.99 USD
Unit price
2021 GMC Yukon XL service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- SLE Sport Utility 4-Door
- AT4 Sport Utility 4-Door
- Denali Sport Utility 4-Door
- SLT Sport Utility 4-Door
Engines covered
- 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
- 3.0L 2993CC 183Cu. In. l6 DIESEL DOHC Turbocharged
- 6.2L 6162CC 376Cu. In. V8 FLEX OHV Naturally Aspirated
- 6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
General Motors, LLC (GM) is recalling certain 2021 GMC Yukon, Yukon XL, Cadillac Escalade, Escalade ESV, Chevrolet Suburban, and Chevrolet Tahoe vehicles. The rear wheel driveshaft assemblies may hav
Consequence
Driveshaft failure can cause a sudden loss of drive power, increasing the risk of a crash.
Remedy
Dealers will replace the left and/or right rear driveshaft assemblies, free of charge. Owner notifi
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camar
Consequence
If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly rest
Remedy
GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began
General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles. The fuel pump power control module may cause the fuel
Consequence
An engine stall increases the risk of a crash.
Remedy
Dealers will replace the fuel pump power control module, free of charge. Owner notification letters
General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, GMC Yukon, Yukon XL, Chevrolet Suburban, and Tahoe vehicles with third-row seating. The third-row outboard seat bel
Consequence
A damaged seat belt can break during a crash, increasing the risk of injury to the occupant.
Remedy
GM will notify owners, and dealers will inspect the third-row outboard seat belts, replacing any dam
General Motors, LLC (M) is recalling certain 2021-2022 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles equipped with third-row seats. The rivet that retai
Consequence
A seat belt with a deformed rivet may not properly restrain an occupant, increasing the risk of inju
Remedy
Dealers will inspect the rivet head formation on both the left and right side third-row seat belt bu
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
Pi created to provide GM dealers with information on gathering information for projection issue
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Certain vehicles may have a condition that could cause the cylinder 2 glow plug to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. This special cover
This Preliminary information communicates an issue with a replace or low FOB battery message
This PI communicates information on a SPS programming issue causing Serial Data Authentication Configuration to fail.
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This Preliminary information communicates an issue withABS SES MIL / Service Brake System / Service StabiliTrak / BSCM DTC P0606 P0562 and dealers to perform additional battery and connection testing.
Showing the 8 most recent of 1220 technical service bulletins on file with NHTSA.
Make left turn and distracted by kids in the back. Looked back and felt a crash. Collided with a traffic signal pole and caused major/total damage to vehicle. Driver side airbag DID NOT deploy causing
The OEM tires, Bridgestone ALENZA A/S 02 - SIZE: 275/50R22 hydroplane and have very poor wet traction. Why traveling at low speeds , under 40mph in moderate rain, the vehicle will owe control.
Large fire started at rear of car. Car was parked on driveway and no one was inside. Noticed a burning smell before fire started. Could not locate any smoke. Vehicle rear burst into flames 20 minutes
Large fire started at rear of car. Car was parked on driveway and no one was inside. Noticed a burning smell before fire started. Could not locate any smoke. Vehicle rear burst into flames 20 minutes
On Wednesday, January 12, 2022, while driving from Columbia, SC to Cincinnati, we were heading northwest through the mountains of North Carolina, on I-40, just east of the TN border. Traffic was fair
Showing the 5 most serious of 261 complaints filed with NHTSA.
Other Years of the GMC Yukon XL
2024 GMC Yukon XL Service and Repair Manual2023 GMC Yukon XL Service and Repair Manual2022 GMC Yukon XL Service and Repair Manual2020 GMC Yukon XL Service and Repair Manual2019 GMC Yukon XL Service and Repair Manual2018 GMC Yukon XL Service and Repair Manual2017 GMC Yukon XL Service and Repair Manual2016 GMC Yukon XL Service and Repair Manual2015 GMC Yukon XL Service and Repair Manual