The service and repair manual for the 2020 GMC Yukon XL — 5.3L V8 and 6.2L V8 engines, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones GMC published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2020 |
|---|---|
| Engines | 5.3L V8 — 325 cu in, OHV 6.2L V8 — 376 cu in, OHV |
| Trims | SLE Sport Utility 4-Door · Denali Sport Utility 4-Door · SLT Sport Utility 4-Door |
| Other 2020 Yukon XL variants | Yukon → |
| Federal record | 2 recalls · 55 complaints · 657 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2020 Yukon XL manual






03 / ContentsSections in the manual
- Quick Lookups 956
- General Information 2,129
- Accessories & Equipment 10,892
- Heating, Ventilation & A/C (HVAC) 349
- Body & Frame 3,630
- Maintenance 15
- Brakes 1,046
- Restraints 388
- Drivelines & Axles 362
- Steering 401
- Electrical 4,863
- Suspension 396
- Engine Mechanical 744
- Transmission 1,162
- Engine Performance 3,397
- Front 255
04 / Known issuesRecalls on federal record for the 2020 Yukon XL
- Tires · 21V115000Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge sep.
- Fuel System, Gasoline — delivery › fuel pump · 19V837000Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire in the pr.
Owners have filed 55 complaints and GMC has issued 657 technical service bulletins for the 2020 Yukon XL. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2020 Yukon XL manual
Is this manual specific to the 2020 Yukon XL?
Yes. It is the OEM manual matched to the 2020 model year, covering the 5.3L V8 and 6.2L V8 across the SLE Sport Utility 4-Door, Denali Sport Utility 4-Door, SLT Sport Utility 4-Door trims. Specifications and procedure sequences are the ones GMC published for this year.
What 2020 Yukon XL problems does it help with?
2 recalls are on federal record for the 2020 Yukon XL, covering tires, fuel system, gasoline. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by GMC dealers.
Does it include 2020 Yukon XL wiring diagrams?
Yes — the complete wiring diagrams for the 2020 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther Yukon XL years and 2020 GMC models
2024 Yukon XL · 2023 Yukon XL · 2022 Yukon XL · 2021 Yukon XL · 2019 Yukon XL · 2018 Yukon XL · 2017 Yukon XL · 2016 Yukon XL · 2015 Yukon XL · all 10 years
2020 GMC Acadia · 2020 GMC Canyon · 2020 GMC Savana 2500 · 2020 GMC Savana 3500 · 2020 GMC Savana 4500 · 2020 GMC Sierra · 2020 GMC Sierra 1500 · 2020 GMC Sierra 1500 Limited · 2020 GMC Sierra 2500 HD · 2020 GMC Sierra 3500 HD · 2020 GMC Terrain · 2020 GMC Yukon · every 2020 model