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2021 GMC Terrain Service and Repair Manual
Regular price
$49.99 USD
Unit price
Covers all 2021 Terrain trims — SL Sport Utility 4-Door, SLE Sport Utility 4-Door, Denali Sport Utility 4-Door +1 more ·
Digital manual — nothing ships
Matched to your exact vehicle
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4.7
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Trusted by 14,000+ mechanics & DIYers
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Complete repair procedures
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$49.99
2021 GMC Terrain Service and Repair Manual
Regular price
$49.99 USD
Unit price
2021 GMC Terrain 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
- SLE Sport Utility 4-Door
- Denali Sport Utility 4-Door
- SLT Sport Utility 4-Door
Engines covered
- 1.5L 1490CC 91Cu. In. l4 GAS DOHC Turbocharged
- 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 2020-2023 Chevrolet Equinox and GMC Terrain vehicles. The four rear-seat lower child seat LATCH anchorage bars may have excessive powder coating, which c
Consequence
The inability to install a child seat with the LATCH anchorage bars could result in an unsecured chi
Remedy
Owners are advised to install child seats using the vehicle's rear seat belts until the remedy is co
General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Equinox and GMC Terrain vehicles equipped with certain Hankook tires. The tires may have been manufactured with an insufficient amoun
Consequence
Tread separation can result in a loss of vehicle control, increasing the risk of a crash.
Remedy
Dealers will inspect the tire DOT numbers, and replace any affected tires, free of charge. Owner no
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 announces the end of an engineering investigation into a brake pad noise.
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 discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.
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.
Showing the 8 most recent of 690 technical service bulletins on file with NHTSA.
The contact owned a 2021 GMC Terrain. The contact stated while the brake pedal was depressed, it was released and the vehicle suddenly accelerated aggressively. The contact attempted to avoid crashing
I was in a in a 70 miles an hour highway accident and was hit in front driver side door, went up embankment and hit a tree then rolled backwards onto the highway. No airbags deployed.
i WAS GOING TO MY SONS HOME WHICH IS LOCATED ON A STEEP DOWHILL STREET WITH SEVERAL TURNS, ONE OF THER ALMOST 90 DEGREES.aS i STARTED TO DESEND THE HILL AND GAIN SPEED, I DEPRESSED THE FOOT BRAKE.
I was backing out of a parking spot when I came in contact with a vehicle going east bound in the parking lot the contact was on the rear right side of my vehicle before I could do anything my vehicle
I was backing out of a parking spot when I came in contact with a vehicle going east bound in the parking lot the contact was on the rear right side of my vehicle before I could do anything my vehicle
Showing the 5 most serious of 50 complaints filed with NHTSA.
Other Years of the GMC Terrain
2024 GMC Terrain Service and Repair Manual2023 GMC Terrain Service and Repair Manual2022 GMC Terrain Service and Repair Manual2020 GMC Terrain Service and Repair Manual2019 GMC Terrain Service and Repair Manual2018 GMC Terrain Service and Repair Manual2017 GMC Terrain Service and Repair Manual2016 GMC Terrain Service and Repair Manual2015 GMC Terrain Service and Repair Manual2014 GMC Terrain Service and Repair Manual2013 GMC Terrain Service and Repair Manual2012 GMC Terrain Service and Repair Manual2011 GMC Terrain Service and Repair Manual2010 GMC Terrain Service and Repair Manual