🏷️ Basic Information

Make:

GMC

Model:

Terrain

Years Covered:

2010, 2011, 2012

Platform:

GM Theta platform (Theta P2XX)

👋 Introduction

Vehicle Segment:

Compact Crossover SUV

Target Audience:

Families and individuals seeking a versatile and comfortable compact SUV.

Key Competitors:

Chevrolet Equinox (platform sibling), Toyota RAV4, Honda CR-V, Ford Escape, Nissan Rogue.

Design:

Distinctive, somewhat rugged styling for a crossover, available Intelligent All-Wheel Drive (AWD).

Practicality:

Comfortable interior, versatile cargo space with innovative 'Smart Slide' rear seat.

Value Proposition:

Offered a competitive feature set and comfortable ride at a compelling price point, often appealing to budget-conscious buyers.

📋 Manual Details

Manual Type:

Factory Workshop Service Repair Manual

Language:

English

Format:

PDF

Page Count:

Comprehensive (exact page count not specified, but implied to be extensive covering all repairs)

📖 Manual Coverage

Powertrain:

Engine mechanical, engine cooling, engine electrical, fuel system, exhaust system, transmission (automatic), driveline/axles.

Chassis:

Suspension (front and rear), steering, brakes (front and rear, ABS), wheels and tires.

Body And Interior:

Body panels, exterior trim, interior trim removal and installation, seats, airbags, HVAC system, doors, windows, roof system.

Electrical And Electronics:

Wiring diagrams, lighting, instrument cluster, infotainment system, power accessories, charging system, starting system, body control module (BCM), engine control module (ECM).

Routine Maintenance:

Oil and filter changes, air filter replacement, spark plug replacement, fluid checks and changes (coolant, brake fluid, power steering fluid, transmission fluid).

Major Repairs:

Engine component repair/replacement (e.g., cylinder head, pistons, timing components), transmission overhaul/replacement, brake component replacement (rotors, pads, calipers), suspension component replacement (struts, shocks, control arms), exhaust system repair/replacement.

Diagnostics And Troubleshooting:

Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical system diagnostics, performance issues.

Bodywork And Restoration:

Panel removal/installation, dent repair, painting procedures (though likely focused on removal/installation rather than painting techniques), interior trim and component replacement.

Depth:

Comprehensive, suitable for professional technicians and advanced DIYers. Includes detailed diagnostic procedures, specifications, and step-by-step repair instructions.

📊 Manual Specifications

File Format:

PDF

Searchability:

Searchable text content within the PDF for easy keyword lookup.

Accessibility:

Compatible with all major operating systems (Windows, macOS) and devices (computers, smartphones, tablets).

Print Quality:

High-resolution, suitable for printing individual pages or sections.

Binding Type:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine 1 Code:

2.4L Ecotec DI VVT (LAF)

Engine 1 Displacement:

2.4 Liters

Engine 1 Configuration:

Inline 4-cylinder

Engine 1 Horsepower:

182 hp @ 6700 rpm

Engine 1 Torque:

172 lb-ft @ 4900 rpm

Engine 1 Technology:

Direct Injection (DI), Variable Valve Timing (VVT)

Engine 2 Code:

3.0L V6 SIDI VVT (LP1)

Engine 2 Displacement:

3.0 Liters

Engine 2 Configuration:

V-configuration 6-cylinder

Engine 2 Horsepower:

264 hp @ 6900 rpm

Engine 2 Torque:

222 lb-ft @ 5100 rpm

Engine 2 Technology:

Spark Ignition Direct Injection (SIDI), Variable Valve Timing (VVT)

Fuel Delivery:

Sequential Port Fuel Injection (SPFI) for LAF engine, Direct Injection for LP1 engine.

Recommended Fuel:

Unleaded gasoline, 87 octane minimum (89 or higher recommended for V6 for optimal performance).

🔧 Transmission

Transmission Type Std:

6-speed automatic (MYC)

Transmission Type Opt:

N/A (6-speed automatic was standard across all powertrains)

Drive Modes:

Driver Shift Control (manual mode) via shifter.

Transmission Fluid Type:

Dexron VI Automatic Transmission Fluid

📐 Dimensions

Length:

180.7 inches (4590 mm)

Width:

72.4 inches (1839 mm)

Height:

65.7 inches (1669 mm)

Wheelbase:

109.8 inches (2789 mm)

Front Headroom:

40.2 inches (1021 mm)

Front Legroom:

41.2 inches (1046 mm)

Rear Headroom:

38.8 inches (986 mm)

Rear Legroom:

39.9 inches (1013 mm)

Cargo Volume Behind 2Nd Row:

25.1 cubic feet (711 liters)

Cargo Volume Max:

63.7 cubic feet (1804 liters)

Curb Weight FWD:

Approximately 3,700 lbs (1678 kg)

Curb Weight AWD:

Approximately 3,880 lbs (1760 kg)

Towing Capacity:

1,500 lbs (680 kg) (when properly equipped, check specific vehicle configuration)

🛡️ Safety Features

NHTSA Overall Rating:

4-Star (for models tested, actual ratings may vary by year and specific configuration. Consult NHTSA for definitive data.)

IIHS Top Safety Pick:

Yes (for certain model years, awarded 'Good' ratings in front, side, and rear crash tests, and head restraint evaluations.)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Standard Traction Control System (TCS)

Stability Control:

Standard StabiliTrak Electronic Stability Control (ESC)

AWD:

Optional 'Intelligent' All-Wheel Drive system, automatically distributing power to wheels with the most traction.

Airbags:

Standard front airbags, front side-impact airbags, and side-curtain airbags for front and rear occupants.

Child Seats:

LATCH (Lower Anchors and Tethers for Children) system for child seat installation.

💡 Technology Features

Infotainment System:

Available IntelliLink infotainment system (depending on trim and options), featuring touchscreen display, AM/FM/CD/MP3 player, auxiliary audio input, and USB connectivity. Bluetooth for phone and audio streaming.

Navigation:

Optional GPS navigation system integrated into the infotainment display.

Rearview Camera:

Available rearview camera system, providing a visual aid when backing up.

Parking Assist:

Available rear parking assist sensors.

Usb Ports:

Available USB port for device charging and media playback.

Auxiliary Input:

Standard auxiliary audio input jack.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 6 months, or as indicated by the Oil Life Monitoring System.

Tire Rotation:

Every 7,500 miles (12,000 km) or as recommended by the Oil Life Monitoring System.

Engine Air Filter:

Inspect every 22,500 miles (36,000 km), replace as needed. Manual will detail inspection criteria.

Cabin Air Filter:

Inspect every 22,500 miles (36,000 km), replace as needed. Manual will detail inspection criteria.

Spark Plugs 2.4L:

Replace at 97,500 miles (157,000 km) with ACDelco Iridium Spark Plugs (Part No. 41-101 or equivalent).

Spark Plugs 3.0L V6:

Replace at 97,500 miles (157,000 km) with ACDelco Iridium Spark Plugs (Part No. 41-110 or equivalent).

Engine Oil 2.4L:

SAE 5W-30 Full Synthetic motor oil, meeting GM standard GM6094M. Capacity: 4.8 quarts (4.5 liters) with filter change.

Engine Oil 3.0L V6:

SAE 5W-30 Full Synthetic motor oil, meeting GM standard GM6094M. Capacity: 5.0 quarts (4.7 liters) with filter change.

Coolant:

GM P/N 12378515 (or equivalent), extended life coolant, a 50/50 mix of Dex-Cool coolant and distilled water. Capacity: Approximately 7.0 quarts (6.6 liters) for 2.4L, 8.0 quarts (7.6 liters) for 3.0L V6.

Brake Fluid:

DOT 3 or DOT 4 brake fluid.

Power Steering Fluid:

GM P/N 89021173 (or equivalent), power steering fluid (check specific manual for type).

Engine Oil Consumption:

Some 2.4L Ecotec engines (LAF) experienced higher than normal oil consumption, particularly at lower mileages. The manual would detail checks and potential remedies.

Transmission Shift Quality:

Occasional reports of rough shifting or delayed engagement. The manual would provide diagnostic steps for transmission control module (TCM) and hydraulic system issues.

Rear Suspension Noise:

Some owners reported noises from the rear suspension, often related to shocks or bushings. The manual would detail inspection and replacement procedures.

HVAC Blend Door Actuator:

Failure of the blend door actuator can lead to temperature control issues. The manual would provide access and replacement procedures for these components.

Infotainment System Glitches:

Minor software glitches in the infotainment system (e.g., Bluetooth connectivity, screen responsiveness) could occur. The manual would cover basic troubleshooting and potential software updates.

📚 Vehicle History

Gmc Legacy:

GMC (General Motors Company) has a long history, originally focusing on trucks and commercial vehicles, evolving to offer a range of SUVs, trucks, and vans with a reputation for robustness and capability.

First Generation:

The GMC Terrain was introduced for the 2010 model year as a compact crossover SUV, sharing its platform with the Chevrolet Equinox. It represented GMC's entry into this growing segment, offering a more refined and SUV-like alternative to traditional GMC trucks and vans.

2010 Introduction:

Debut model year, featuring a unique design language for GMC. Offered with 2.4L and 3.0L engine options.

2011 Updates:

Minor updates, potentially including new feature packaging or slight equipment revisions. The V6 engine became more widely available.

2012 Updates:

Further refinement, potentially including revised styling cues, updated interior materials, or technology enhancements in certain trims.

Manufacturing Location:

CAMI Automotive Inc. in Ingersoll, Ontario, Canada (shared production with Chevrolet Equinox).

🏆 Awards & Recognition

IIHS Designation:

Earned 'Top Safety Pick' designation from the Insurance Institute for Highway Safety (IIHS) for multiple model years within this range, reflecting strong crash test performance.

Consumer Reports Ratings:

Received generally average to above-average predicted reliability ratings from publications like Consumer Reports, though specific model years and powertrains could vary. The manual would be critical for addressing any reported issues.

Epa Fuel Economy:

EPA estimated fuel economy ratings varied by engine and drivetrain, but typically ranged from approximately 19-22 MPG city and 26-32 MPG highway.