2021 GMC Acadia Service and Repair Manual
2021 GMC Acadia 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
- SL Sport Utility 4-Door
- Black Sport Utility 4-Door
- SLE Sport Utility 4-Door
- AT4 Sport Utility 4-Door
- Denali Sport Utility 4-Door
- SLT Sport Utility 4-Door
Engines covered
- 2.5L 2457CC 153Cu. In. l4 GAS DOHC Naturally Aspirated
- 3.6L 222Cu. In. V6 GAS DOHC Naturally Aspirated
- 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
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 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may
An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a cra
Dealers will replace the coaxial cables, free of charge. Owner notification letters were mailed Jan
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
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
Improvements to OnStar functionality.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
Improvements to OnStar functionality. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during
Showing the 8 most recent of 841 technical service bulletins on file with NHTSA.
I was traveling in my 2021 gmc Acadia in which I have had numerous issues with is the almost 4 years I have owned it. The back up camera 2 weeks after purchase it went out in June of 2021. After that
I was traveling in my 2021 gmc Acadia in which I have had numerous issues with is the almost 4 years I have owned it. The back up camera 2 weeks after purchase it went out in June of 2021. After that
I was traveling in my 2021 gmc Acadia in which I have had numerous issues with is the almost 4 years I have owned it. The back up camera 2 weeks after purchase it went out in June of 2021. After that
The vehicle was traveling at a very low speed in a parking lot and impacted a light pole. All front airbags deployed and the drivers steering wheel airbag deployed severely breaking the drivers arm, c
While driving vehicle stalled multiple times in the middle of the road, with service transmission and engine light coming on, causing unsafe conditions, causing accident and leaving passengers strande
Showing the 5 most serious of 205 complaints filed with NHTSA.
