The service and repair manual for the 2018 GMC Yukon — 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 | 2018 |
|---|---|
| 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 2018 Yukon variants | Yukon XL → |
| Federal record | 3 recalls · 95 complaints · 664 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 Yukon manual
03 / ContentsSections in the manual
- Quick Lookups 944
- General Information 2,147
- Accessories & Equipment 10,940
- Heating, Ventilation & A/C (HVAC) 381
- Body & Frame 3,783
- Brakes 1,113
- Restraints 427
- Drivelines & Axles 461
- Steering 542
- Electrical 4,840
- Suspension 452
- Engine Mechanical 1,032
- Transmission 1,204
- Engine Performance 4,019
- Front 255
04 / Known issuesRecalls on federal record for the 2018 Yukon
- Service Brakes, Hydraulic — antilock/traction control/electronic limited · 19V761000Unintended activation of the driveline-protection system will cause unintended braking on the wheel.
- Service Brakes, Hydraulic — power assist › vacuum · 19V645000As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the dist.
- Service Brakes, Hydraulic — power assist › vacuum · 20V603000A decrease in brake assist can increase the brake pedal effort and distance required to stop the veh.
Owners have filed 95 complaints and GMC has issued 664 technical service bulletins for the 2018 Yukon. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 Yukon manual
Is this manual specific to the 2018 Yukon?
Yes. It is the OEM manual matched to the 2018 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 2018 Yukon problems does it help with?
3 recalls are on federal record for the 2018 Yukon, covering service brakes, hydraulic. 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 2018 Yukon wiring diagrams?
Yes — the complete wiring diagrams for the 2018 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 years and 2018 GMC models
2024 Yukon · 2023 Yukon · 2022 Yukon · 2021 Yukon · 2020 Yukon · 2019 Yukon · 2017 Yukon · 2016 Yukon · 2015 Yukon · 2014 Yukon · 2013 Yukon · 2012 Yukon · all 33 years
2018 GMC Acadia · 2018 GMC Canyon · 2018 GMC Savana 2500 · 2018 GMC Savana 3500 · 2018 GMC Savana 4500 · 2018 GMC Sierra · 2018 GMC Sierra 1500 · 2018 GMC Sierra 2500 HD · 2018 GMC Sierra 3500 HD · 2018 GMC Terrain · 2018 GMC Yukon XL · every 2018 model