The service and repair manual for the 2020 GMC Acadia — 2.5L I4 and 2.0L I4 and 3.6L V6 engines, 5 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 | 2.5L I4 — 150 cu in, DOHC 2.0L I4 — 122 cu in, DOHC, turbocharged 3.6L V6 — DOHC |
| Trims | SL Sport Utility 4-Door · SLE Sport Utility 4-Door · AT4 Sport Utility 4-Door · Denali Sport Utility 4-Door · SLT Sport Utility 4-Door |
| Federal record | 6 recalls · 148 complaints · 845 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2020 Acadia manual
03 / ContentsSections in the manual
- Quick Lookups 677
- General Information 1,997
- Accessories & Equipment 8,674
- Heating, Ventilation & A/C (HVAC) 489
- Body & Frame 2,826
- Maintenance 13
- Brakes 1,900
- Restraints 365
- Drivelines & Axles 223
- Steering 315
- Electrical 6,054
- Suspension 306
- Engine Mechanical 1,343
- Transmission 1,055
- Engine Performance 3,130
- Loosen 45
04 / Known issuesRecalls on federal record for the 2020 Acadia
- Air Bags — side/window › curtain › inflator · 20V446000If the diffuser separates from the inflator during deployment, rrab performance may be degraded, inc.
- Power Train — automatic transmission · 20V668000Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may p.
- Tires · 21V115000Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge sep.
- Back Over Prevention — sensing system › camera · 22V709000An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a cra.
- Fuel System, Gasoline — delivery › fuel pump · 20V639000Insufficient fuel supply can result in an engine stall without warning, increasing the risk of a cra.
- Tires · 20V684000Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or cou.
Owners have filed 148 complaints and GMC has issued 845 technical service bulletins for the 2020 Acadia. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2020 Acadia manual
Is this manual specific to the 2020 Acadia?
Yes. It is the OEM manual matched to the 2020 model year, covering the 2.5L I4 and 2.0L I4 and 3.6L V6 across the SL Sport Utility 4-Door, SLE Sport Utility 4-Door, AT4 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 Acadia problems does it help with?
6 recalls are on federal record for the 2020 Acadia, covering air bags, power train, tires. 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 Acadia 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 Acadia years and 2020 GMC models
2024 Acadia · 2023 Acadia · 2022 Acadia · 2021 Acadia · 2019 Acadia · 2018 Acadia · 2017 Acadia · 2016 Acadia · 2015 Acadia · 2014 Acadia · all 18 years
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 · 2020 GMC Yukon XL · every 2020 model