🏷️ Basic Information

Make:

GMC

Model:

Terrain

Model Years Covered:

2010, 2011, 2012

Chassis Code:

GMT157

👋 Introduction

Segment:

Compact Crossover SUV

Key Competitors:

Honda CR-V, Toyota RAV4, Ford Escape, Nissan Rogue, Mazda CX-5.

Vehicle Positioning:

GMC's entry into the compact SUV segment, offering a blend of SUV utility with a car-like driving experience and premium features.

Manual Value Proposition:

Provides professional-level repair and maintenance information essential for owners and independent repair shops to service the GMC Terrain accurately and efficiently.

📋 Manual Details

Transmission Types Covered:

6-speed automatic transmission (6T70/6T75)

Estimated Pages:

1500-2000 (estimated based on typical factory service manuals for this era and complexity)

Type:

Factory Service Manual / Workshop Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system, ignition system, exhaust system, engine control systems (ECM), transmission mechanical, transmission controls, drivetrain components (CV axles, differentials).

Chassis:

Suspension (front and rear), steering system, brake system (hydraulic, ABS, traction control), wheels, tires.

Electrical:

Battery, charging system, starting system, lighting system, instrument cluster, body control module (BCM), comfort and convenience features, power windows, power locks, mirrors, wipers, horn, audio system, HVAC controls, airbag system (SRS), anti-theft system.

Body:

Exterior body panels, interior trim, doors, hood, tailgate, glass, seals, structural components, collision repair guidelines.

Diagnostics:

Diagnostic Trouble Codes (DTCs) interpretation, symptom-based troubleshooting, component testing, circuit diagrams, wiring schematics.

Maintenance:

Scheduled maintenance intervals, fluid changes (oil, coolant, transmission fluid, brake fluid), filter replacements, inspections, lubrication points.

Repair And Rebuild:

Step-by-step repair instructions for all major components, engine overhaul, transmission rebuild, brake caliper replacement, suspension component replacement, electrical module replacement.

Technical Specifications:

Torque specifications for all fasteners, electrical component specifications, measurement specifications for wear and tear.

Depth:

Comprehensive (covers basic maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics and body repairs).

📊 Manual Specifications

File Type:

PDF

Printable:

Yes, allows printing of individual pages or the entire manual.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Device Compatibility:

Compatible with Windows and macOS computers, tablets, and smartphones.

License Type:

Lifetime use, no expiry dates, no renewal fees.

Usage Limit:

Unlimited installations across multiple devices.

⚙️ Engine Specifications

Engine Code 1:

LAF (2.4L DOHC VVT I4)

Displacement 1:

2.4 Liters (2384 cc)

Horsepower 1:

182 hp @ 6700 rpm

Torque 1:

172 lb-ft @ 4900 rpm

Bore X Stroke 1:

3.62 x 3.85 inches (92 x 98 mm)

Compression Ratio 1:

11.3:1

Fuel Delivery 1:

Direct Injection

Engine Code 2:

LS3 (3.0L DOHC VVT V6)

Displacement 2:

3.0 Liters (2994 cc)

Horsepower 2:

264 hp @ 6900 rpm

Torque 2:

222 lb-ft @ 5100 rpm

Fuel Delivery 2:

Port Fuel Injection

Fuel Type:

Unleaded gasoline

Recommended Octane Rating:

87 octane minimum

🔧 Transmission

Transmission Type:

6-speed automatic (6T70/6T75)

Drivetrain Options:

Front-Wheel Drive (FWD) standard, All-Wheel Drive (AWD) optional

Transmission Features:

Driver Shift Control, Tap Up/Tap Down manual shifting mode.

📐 Dimensions

Wheelbase:

109.9 inches (2791 mm)

Length:

180.9 inches (4595 mm)

Width:

72.8 inches (1850 mm)

Height:

65.2 inches (1656 mm)

Ground Clearance:

7.4 inches (188 mm)

Curb Weight FWD:

3,700-3,850 lbs (1678-1746 kg) depending on engine and trim

Curb Weight AWD:

3,850-4,050 lbs (1746-1837 kg) depending on engine and trim

Gross Vehicle Weight Rating:

4,760-5,010 lbs (2159-2273 kg) depending on configuration

Cargo Volume Behind Rear Seat:

25.0 cubic feet (708 liters)

Cargo Volume With Rear Seat Folded:

56.7 cubic feet (1606 liters)

🛡️ Safety Features

NHTSA Overall Safety Rating:

4 out of 5 stars (for 2012 model, variations may exist for earlier years)

IIHS Top Safety Pick:

Yes (for models equipped with optional features like side-impact airbags)

Traction Control:

Standard

Electronic Stability Control:

StabiliTrak (Standard)

Antilock Braking System:

Standard with electronic brake-force distribution and brake assist.

Airbag System:

Dual front, side-impact, and curtain airbags (standard/optional depending on trim).

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for CHildren) system.

💡 Technology Features

Infotainment System:

Available Touchscreen Audio System with CD/MP3 playback, auxiliary input, USB connectivity, Bluetooth for phone and audio streaming.

Navigation:

Optional navigation system.

Rearview Camera:

Available Rear Vision Camera.

Parking Sensors:

Available Rear Park Assist.

Connectivity Features:

USB port, Bluetooth, available OnStar (subscription-based telematics).

🔧 Maintenance

Engine Oil Change:

Every 7,500 miles (12,000 km) or 6 months, or when the Oil Life Monitoring System indicates.

Tire Rotation:

Every 7,500 miles (12,000 km)

Engine Air Filter Replacement:

Inspect every 22,500 miles (36,000 km), replace as needed or typically every 45,000 miles (72,000 km).

Cabin Air Filter Replacement:

Inspect every 15,000 miles (24,000 km), replace as needed or typically every 30,000 miles (48,000 km).

Transmission Fluid Change:

Inspect fluid condition periodically. Replace per Oil Life Monitoring System or severe service schedule. Typically recommended around 100,000 miles (160,000 km) or sooner under harsh conditions.

Engine Oil Type 1:

SAE 5W-30 Dexos1 Synthetic

Engine Oil Capacity 1:

5.0 quarts (4.7 liters) for 2.4L I4, 5.0 quarts (4.7 liters) for 3.0L V6

Coolant Type:

GM P/N 19299033 (Orange, Dex-Cool® compatible, extended life)

Transmission Fluid Type:

Dexron VI (DEXRON-VI)

Brake Fluid Type:

DOT 3

Power Steering Fluid Type:

GM P/N 89021182 or equivalent Dexron III H

Common Complaints Engine 2.4L:

Timing chain stretching/rattling, oil consumption, intake manifold vacuum leaks.

Common Complaints Transmission:

Rough shifting, delayed engagement, shudder, potential failure of torque converter clutch (TCC).

Common Complaints Suspension:

Worn control arm bushings, premature strut/shock absorber wear.

Common Complaints Electrical:

Faulty door lock actuators, BCM issues, intermittent infotainment system problems.

📚 Vehicle History

Brand Focus:

GMC is historically known for trucks, SUVs, and commercial vehicles, often positioned as professional-grade.

First Generation:

The GMC Terrain debuted for the 2010 model year as a compact crossover SUV, sharing its platform with the Chevrolet Equinox.

Design Philosophy:

Aimed to provide a more stylish and refined alternative within GM's crossover lineup, targeting a younger demographic and a different buyer than traditional GMC trucks.

Manufacturing Location:

Spring Hill, Tennessee, USA

🏆 Awards & Recognition

Safety Awards:

Achieved IIHS Top Safety Pick status in certain configurations, reflecting good performance in crash tests.