🏷️ Basic Information

Make:

Chevrolet

Model:

Avalanche

Year:

2012

Vehicle Type:

Full-size Sport Utility Truck (SUV/Pickup Hybrid)

Platform:

GMT900

Generation Code:

Second Generation (2007-2013)

Chassis Code:

GMT900

👋 Introduction

Vehicle Segment:

Full-size, versatile SUV/pickup truck, known for its unique Midgate feature allowing conversion from enclosed SUV to open bed pickup.

Key Competitors:

Ford F-150 SuperCrew, Toyota Tundra Double Cab, Dodge Ram 1500 Crew Cab (though Avalanche offered unique convertible utility).

Unique Selling Proposition:

The innovative Midgate system, allowing the rear cab wall to fold down, extending the cargo bed and providing a unique hybrid utility.

Diy Benefit:

Empowers owners to perform maintenance and repairs themselves, saving money on dealership labor costs and increasing vehicle knowledge.

Diagnostic Capability:

Provides dealership-level diagnostic information, enabling accurate troubleshooting of complex systems.

Resource Efficiency:

Digital format reduces physical clutter, allows targeted printing, and preserves the manual from wear and tear.

📋 Manual Details

General Coverage:

All Models & All Repairs A-Z

Specific Coverage:

Maintenance, Engine, Control System, Mechanical, Fuel Service, Emission Control, Intake/Exhaust/Cooling, Lube, Ignition, Starting/Charging, Automatic Transmission, Manual Transmission, Transfer Case, Propeller Shaft, Drive Shaft, Differential, Axle, Suspension, Tire & Wheel, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering, Air Conditioning, Supplemental Restraint System (SRS), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seats, Engine Hood/Door, Exterior & Interior, Electrical, Multiplex/CAN Communication

Page Count Estimate:

Extensive (Detailed step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications)

Manual Type:

Service and Repair Manual (Dealership Technician Level)

Language:

English

File Format:

PDF

Digital Delivery:

Speed Download

📖 Manual Coverage

Powertrain:

Engine mechanicals, fuel delivery, ignition, cooling, lubrication, exhaust, automatic transmission, transfer case, driveline components (propeller shaft, drive shafts, differentials, axles).

Chassis:

Suspension (front and rear), steering (column and power steering), brakes (hydraulic, parking), wheels, and tires.

Electrical And Electronics:

Starting/charging system, lighting, instrumentation, audio/visual, wipers/washers, horn, power locks, interior/exterior lighting, instrument panel, engine control module (ECM), body control module (BCM), multiplex/CAN communication systems.

Comfort And Convenience:

Air conditioning, supplemental restraint system (SRS), seat belts, engine immobilizer, cruise control, interior trim, exterior body panels, doors, hood, glass, and mirrors.

Diagnostic Procedures:

Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, system testing, component diagnosis.

Maintenance Procedures:

Scheduled maintenance, fluid changes, filter replacements, lubrication, inspections.

Repair Procedures:

Component removal and installation, internal adjustments, rebuilding procedures, wiring repairs, body panel repair.

Technical Information:

Wiring schematics, diagnostic flowcharts, service bulletins (if incorporated), technical specifications.

Depth Of Information:

Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers complete repairs from minor adjustments to major component overhauls.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely searchable text content within the PDF for efficient information retrieval.

Printability:

All pages are printable.

Image Scalability:

Ability to blow up images for enlarged copies.

Binding Type:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format - printable on user's chosen paper)

PDF Reader:

Adobe PDF Reader (Free)

Unzipping Software:

Winzip or equivalent (Free options available)

Operating Systems:

Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and Mac OS.

⚙️ Engine Specifications

Engine Code:

L94 (6.2L V8 Vortec)

Displacement:

6.2 Liters (376 cubic inches)

Configuration:

V8, Overhead Valve (OHV), 16 Valves

Fuel Delivery:

Sequential Electronic Fuel Injection (SFI)

Horsepower:

403 hp @ 5700 rpm

Torque:

417 lb-ft @ 4300 rpm

Valvetrain:

Pushrod Actuated Overhead Valves with Variable Valve Timing (VVT)

Compression Ratio:

10.8:1

Cooling System:

Pressurized Liquid Cooling System

Emission Control:

Catalytic Converter, On-Board Diagnostics II (OBD-II)

Engine Code:

L92 (6.2L V8 Vortec - may be in earlier models of the generation, but 6.2L is dominant for 2012)

Cylinder Deactivation:

Active Fuel Management (AFM) for improved fuel economy

🔧 Transmission

Transmission Type:

6-Speed Automatic Transmission

Transmission Model:

6L80

Drivetrain:

All-Wheel Drive (AWD) standard on most trims

Drivetrain Options:

Rear-Wheel Drive (RWD) may be available on certain configurations

Transmission Control:

Electronic with automatic shift control

Transfer Case:

Single-speed or 2-speed transfer case depending on AWD/4WD configuration

📐 Dimensions

Wheelbase:

130.0 inches (3302 mm)

Length:

224.5 inches (5702 mm)

Width:

79.1 inches (2009 mm)

Height:

77.0 inches (1956 mm)

Curb Weight Estimate:

Approx. 5,600 - 6,000 lbs (2540 - 2722 kg) depending on configuration

Gross Vehicle Weight Rating Gvwr:

Approx. 7,100 - 7,600 lbs (3220 - 3447 kg)

Cargo Volume Max With Midgate Folded:

Approximately 137.4 cubic feet (3891 liters)

Cargo Volume With Midgate Up:

Approximately 60.0 cubic feet (1700 liters)

Max Towing Capacity:

Up to 8,400 lbs (3810 kg) with proper trailering equipment

🛡️ Safety Features

NHTSA Overall Rating Estimate:

Likely 4 or 5 stars (common for trucks/SUVs of this era, but specific tests vary by year and configuration)

Braking System:

Four-wheel disc brakes with ABS, Electronic Brake-force Distribution (EBD), Brake Assist

Stability Control:

StabiliTrak Electronic Stability Control system

Traction Control:

Traction Control System (TCS)

Airbags:

Front airbags, side-impact airbags, available curtain airbags

Seat Belts:

Three-point seat belts for all occupants, pretensioners

Rollover Protection:

Designed with consideration for rollover mitigation

💡 Technology Features

Infotainment System:

Chevrolet MyLink infotainment system (or similar GM system for 2012), often with touch-screen display, Bluetooth connectivity, USB input, and auxiliary audio input.

Audio Options:

Bose premium audio system was often an option.

Parking Assist:

Available Rear Park Assist sensors.

Camera System:

Available rearview camera integrated into the infotainment display.

Bluetooth:

Standard or optional Bluetooth hands-free calling and audio streaming.

Usb Port:

Available USB port for device charging and media playback.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 12 months (or as indicated by oil life monitor)

Air Filter Replacement:

Inspect every 22,500 miles; replace as needed or every 45,000 miles.

Cabin Air Filter Replacement:

Inspect every 22,500 miles; replace as needed or every 45,000 miles.

Spark Plug Replacement:

Recommended at 100,000 miles for the 6.2L V8 (iridium type).

Transmission Fluid Change:

Check fluid level regularly; consult manual for specific change intervals based on driving conditions, typically around 50,000-100,000 miles for severe use.

Engine Oil Type:

SAE 5W-30 Full Synthetic (meeting GM spec GMW4533-B)

Engine Oil Capacity:

6.0 quarts (5.7 liters) with filter for 6.2L V8

Coolant Type:

Dex-Cool® (GM 6043-M) Orange Long-Life Antifreeze/Coolant

Transmission Fluid Type:

Dexron® VI Automatic Transmission Fluid

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid Type:

GM Power Steering Fluid (or equivalent specified in manual)

Common Wear Items:

Suspension components (ball joints, tie rod ends), catalytic converters, fuel pumps, interior electronics, door actuators.

Engine Specific Concerns:

Active Fuel Management (AFM) system can sometimes lead to oil consumption or lifter issues if not properly maintained. Check for AFM lifter spring recall or service campaigns.

Transmission Specific Concerns:

The 6L80 transmission is generally robust, but proper fluid maintenance is critical to prevent premature wear.

📚 Vehicle History

Chevrolet Legacy:

Chevrolet, a division of General Motors, has a long history of producing trucks and SUVs, known for durability and utility.

Avalanche Introduction:

First introduced for the 2002 model year as a radical departure in the truck market.

Second Generation Launch:

The second generation (GMT900 platform) debuted for the 2007 model year, featuring updated styling, interior, and powertrains.

Midgate Innovation:

The signature Midgate feature has been a hallmark of the Avalanche since its inception, offering unparalleled cargo versatility.

Production Location:

Assembled in Silao, Guanajuato, Mexico.

Production Period:

2002-2013

🏆 Awards & Recognition

Previous Year Awards:

While the 2012 model may not have specific listed awards, the Avalanche platform in prior years has been recognized for its utility and segment-defining design.

Consumer Reports Reliability:

Varies by model year and specific components; often rated average to below average in reliability surveys for this generation.

Emission Standards:

Compliant with U.S. EPA and CARB emission standards for 2012 model year.