🏷️ Basic Information Identification Make: Chevrolet Model: Avalanche Year: 2008 Generation Generation Code: GMT900 Codes Platform Code: GMT932 👋 Introduction Market Position Vehicle Type: Full-size Sport Utility Truck (SUT) Segment: Premium/Luxury Full-Size Truck/SUV Segment Competitive Analysis Key Competitors: Ford F-150 (as a truck alternative), Cadillac Escalade EXT, Lincoln Mark LT (less direct competitor). Key Features Unique Selling Proposition: The revolutionary Multi-Flex Midgate system, allowing conversion from a closed cabin to an extended cargo bed. Versatility: Combines the passenger comfort of an SUV with the cargo utility of a pickup truck. 📋 Manual Details Coverage Areas Primary Coverage: 2008 Chevrolet Avalanche (all trims) Secondary Coverage: General operation, maintenance, and features applicable to the GMT900 platform Page Count Estimated Page Count: ~300-350 pages Manual Type Manual Format Type: Owner's Manual (Electronic/PDF) Language Language: English Format Digital Format: PDF (Portable Document Format) 📖 Manual Coverage Systems Covered Powertrain: Engine operation, lubrication, cooling, fuel system, exhaust system. Drivetrain: Transmission operation, drivetrain components (e.g., AWD system). Chassis: Suspension system, steering system, brake system operation and basic maintenance. Electrical: Lighting systems, instrumentation, vehicle electronics, power outlets, battery care. Body And Interior: Doors, windows, seats, climate control, audio system, security system, sunroof, Multi-Flex Midgate operation. Safety And Security: Seat belts, airbags, child restraints, anti-lock brakes (ABS), traction control, tire pressure monitoring system (TPMS). Driver Controls: Steering wheel controls, pedals, shifter, dashboard layout, warning lights and indicators. Procedures Included Operation: Starting and driving the vehicle, parking, towing information, trailer towing guidelines. Maintenance: Fluid level checks, tire pressure adjustment, wiper blade replacement, bulb replacement, basic cleaning. Troubleshooting: Basic diagnostics for common warning lights and indicators, emergency procedures. Convenience Features: Operation of power features, climate control settings, audio system controls, infotainment system basics. Technical Depth Depth: Owner-level maintenance, operation of all vehicle features, basic troubleshooting. Does not include detailed diagnostic...
Basic diagnostics for common warning lights and indicators, emergency procedures.
Convenience Features:
Operation of power features, climate control settings, audio system controls, infotainment system basics.
Technical Depth
Depth:
Owner-level maintenance, operation of all vehicle features, basic troubleshooting. Does not include detailed diagnostic procedures or component replacement instructions for certified technicians.
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Text-searchable PDF, allowing quick lookup of topics.
Print Quality
Printability:
Printable on standard home or office printers. High-resolution for clarity.
Binding Type
Binding Type:
N/A (Digital Format)
Paper Type
Paper Type:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine
Engine Code:
L76
Engine Type:
6.0L V8 SFI FlexFuel
Displacement:
5967 cc (364 cubic inches)
Horsepower:
367 hp @ 5400 rpm (with gasoline fuel)
Torque:
375 lb-ft @ 4400 rpm (with gasoline fuel)
Cylinder Block Material:
Aluminum
Cylinder Head Material:
Aluminum
Valvetrain:
Overhead Valve (OHV), 2 valves per cylinder
Compression Ratio:
10.5:1
Fuel System:
Sequential Port Fuel Injection (SFI), FlexFuel capability (E85)
GM P/N 12346290 (Orange) Dex-Cool® Extended Life Antifreeze/Coolant, or equivalent (50/50 mix with deionized water).
Brake Fluid Type:
DOT 3 brake fluid.
Power Steering Fluid Type:
Dexron®-VI Automatic Transmission Fluid (ATF)
Known Issues
Common Issues 2008 Avalanche:
Fuel pump failures, AFM system lifter issues (leading to misfires or ticking noises), transmission solenoid issues, potential for water leaks in older models, exhaust manifold leaks.
📚 Vehicle History
Brand Heritage
Manufacturer Heritage:
Chevrolet, a division of General Motors, has a long history of producing trucks and SUVs, known for durability and capability.
Model Evolution
First Generation Debut:
2002 model year.
Second Generation Debut:
2007 model year (GMT900 platform).
2008 Model Year Updates:
Refinements to styling, interior, and powertrain; introduction of the 6.0L V8 as standard.
Production
Manufacturing Location:
Janesville, Wisconsin, USA
Production Years:
2002-2013
🏆 Awards & Recognition
Recognitions
Kl Consumer Ratings:
Typically received moderate to good ratings from J.D. Power and Associates for initial quality and long-term dependability in its class.
Motorweek Awards:
Often praised for its innovative Midgate design and versatile utility by automotive critics.