Vehicle Type:
        
        
            Full-size Sport Utility Truck (SUT)
        
     
    
        
            Segment:
        
        
            Premium/Luxury Full-Size Truck/SUV Segment
        
     
    
    
        
            Key Competitors:
        
        
            Ford F-150 (as a truck alternative), Cadillac Escalade EXT, Lincoln Mark LT (less direct competitor).
        
     
    
    
        
            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.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            2008 Chevrolet Avalanche (all trims)
        
     
    
        
            Secondary Coverage:
        
        
            General operation, maintenance, and features applicable to the GMT900 platform
        
     
    
    
        
            Estimated Page Count:
        
        
            ~300-350 pages
        
     
    
    
        
            Manual Format Type:
        
        
            Owner's Manual (Electronic/PDF)
        
     
    
    
    
    
        
            Digital Format:
        
        
            PDF (Portable Document Format)
        
     
 
    
    
    
        
            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.
        
     
    
    
        
            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.
        
     
    
    
        
            Depth:
        
        
            Owner-level maintenance, operation of all vehicle features, basic troubleshooting. Does not include detailed diagnostic procedures or component replacement instructions for certified technicians.
        
     
 
    
    
    
    
        
            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)
        
     
    
        
            Exhaust System:
        
        
            Dual exhaust
        
     
    
        
            Emission Controls:
        
        
            Catalytic converter, On-Board Diagnostics (OBD-II)
        
     
    
        
            Engine Placement:
        
        
            Front longitudinal
        
     
    
        
            Displacement On Demand:
        
        
            Active Fuel Management (AFM) - cylinders deactivation system.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            6-Speed Automatic (4L70-E)
        
     
    
        
            Transmission Features:
        
        
            Electronically controlled, overdrive, Tow/Haul mode.
        
     
    
    
        
            Optional Transmission:
        
        
            N/A for 2008 model year.
        
     
    
    
        
            Transmission Fluid Type:
        
        
            Dexron-VI Automatic Transmission Fluid (ATF)
        
     
    
        
            Transmission Fluid Capacity:
        
        
            Approximately 12.8 quarts (12.1 liters)
        
     
 
    
    
    
        
            Wheelbase:
        
        
            130.0 inches (3302 mm)
        
     
    
        
            Overall Length:
        
        
            222.0 inches (5639 mm)
        
     
    
        
            Overall Width:
        
        
            79.1 inches (2009 mm)
        
     
    
        
            Overall Height:
        
        
            77.0 inches (1956 mm)
        
     
    
        
            Ground Clearance:
        
        
            9.0 inches (229 mm)
        
     
    
        
            Front Track:
        
        
            68.2 inches (1732 mm)
        
     
    
        
            Rear Track:
        
        
            67.7 inches (1720 mm)
        
     
    
    
        
            Front Headroom:
        
        
            41.1 inches (1044 mm)
        
     
    
        
            Front Legroom:
        
        
            41.3 inches (1049 mm)
        
     
    
        
            Rear Headroom:
        
        
            40.3 inches (1024 mm)
        
     
    
        
            Rear Legroom:
        
        
            34.3 inches (871 mm)
        
     
    
    
        
            Cargo Volume Behind 2Nd Row:
        
        
            72.3 cubic feet (2047 liters)
        
     
    
        
            Cargo Volume Behind 1St Row (Midgate Down):
        
        
            137.4 cubic feet (3890 liters)
        
     
    
    
        
            Curb Weight AWD:
        
        
            Approximately 5,600 - 5,800 lbs (2540 - 2630 kg)
        
     
    
        
            Gross Vehicle Weight Rating (Gvwr):
        
        
            Approximately 7,200 lbs (3265 kg)
        
     
    
        
            Towing Capacity:
        
        
            Up to 8,200 lbs (3719 kg) (with proper equipment and configuration)
        
     
    
        
            Payload Capacity:
        
        
            Approximately 1,400 - 1,600 lbs (635 - 726 kg)
        
     
 
    
    
    
        
            NHTSA Front Driver Impact:
        
        
            5 Stars
        
     
    
        
            NHTSA Front Passenger Impact:
        
        
            5 Stars
        
     
    
        
            NHTSA Side Driver Impact:
        
        
            5 Stars
        
     
    
        
            NHTSA Side Passenger Impact:
        
        
            5 Stars
        
     
    
        
            NHTSA Rollover Resistance:
        
        
            3 Stars (for AWD models)
        
     
    
    
        
            Braking:
        
        
            4-wheel disc brakes with Anti-lock Braking System (ABS)
        
     
    
        
            Traction Control:
        
        
            Standard Electronic Traction Control (TCS) on all wheels.
        
     
    
        
            Stability Control:
        
        
            Available StabiliTrak stability control system.
        
     
    
        
            Tire Monitoring:
        
        
            Tire Pressure Monitoring System (TPMS)
        
     
    
    
        
            Airbags:
        
        
            Driver and front passenger front airbags, front seat-mounted side-impact airbags.
        
     
    
        
            Seat Belts:
        
        
            3-point seat belts with pretensioners for all seating positions.
        
     
    
        
            Child Restraints:
        
        
            LATCH (Lower Anchors and Tethers for CHildren) system in rear seats.
        
     
    
        
            Security:
        
        
            Theft-deterrent system, remote keyless entry.
        
     
 
    
    
    
        
            Audio System:
        
        
            Available premium Bose® audio system, AM/FM stereo with CD player and MP3 capability, SiriusXM® Satellite Radio compatibility.
        
     
    
        
            Navigation:
        
        
            Available DVD-based navigation system with touchscreen interface.
        
     
    
        
            Rear Seat Entertainment:
        
        
            Available rear-seat entertainment system with DVD player.
        
     
    
    
        
            Parking Assist:
        
        
            Available rear parking assist system.
        
     
    
        
            Backup Camera:
        
        
            Available rearview camera system integrated with navigation screen or rearview mirror.
        
     
    
    
        
            Bluetooth:
        
        
            Available Bluetooth® hands-free calling system.
        
     
    
        
            Usb Port:
        
        
            Available USB port for media device connectivity.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 7,500 miles (12,000 km) or 6 months, whichever comes first, using synthetic oil.
        
     
    
        
            Tire Rotation Interval:
        
        
            Every 7,500 miles (12,000 km)
        
     
    
        
            Engine Air Filter Replacement:
        
        
            Inspect every 7,500 miles (12,000 km), replace as needed or every 30,000 miles (48,000 km).
        
     
    
        
            Cabin Air Filter Replacement:
        
        
            Inspect annually, replace as needed or every 24,000 miles (38,000 km).
        
     
    
        
            Coolant Flush Interval:
        
        
            First flush at 5 years or 100,000 miles (160,000 km), then every 2 years or 50,000 miles (80,000 km).
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 5W-30 Synthetic (meeting GM specification GM6094M)
        
     
    
        
            Engine Oil Capacity:
        
        
            7.0 quarts (6.6 liters) with filter change
        
     
    
        
            Coolant Type:
        
        
            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)
        
     
    
    
        
            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.
        
     
 
    
    
    
        
            Manufacturer Heritage:
        
        
            Chevrolet, a division of General Motors, has a long history of producing trucks and SUVs, known for durability and capability.
        
     
    
    
        
            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.
        
     
    
    
        
            Manufacturing Location:
        
        
            Janesville, Wisconsin, USA
        
     
    
        
            Production Years:
        
        
            2002-2013