🏷️ Basic Information Identification Make: Chevrolet Model: Avalanche Year: 2002-2006 Market: North America Generation First Generation Start Year: 2002 First Generation End Year: 2006 Codes Platform Code: GMT825 (GMT800 derivative) 👋 Introduction Market Position Vehicle Segment: Full-size Sport Utility Truck (SUT) Competitive Analysis Competitors: Ford F-150 SuperCrew (with bed liner conversion), custom pickup conversions. Unique market segment due to its midgate design. Key Features Unique Selling Proposition: Convertible cargo bed via Midgate, offering SUV-like cabin versatility. Manual Value Proposition Target Audience: DIY mechanics, owners looking to save on maintenance and repairs, enthusiasts. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Language: English File Format: PDF Page Count Estimated Page Count: Detailed, comprehensive (Specific count not provided but implies extensive coverage) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Intake/Exhaust/Cooling, Lube, Ignition, Starting/Charging, Automatic Transmission, Manual Transmission, Transfer Case, Drive Shaft, Differential, Axle Chassis: Suspension, Tires & Wheels, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering Electrical And Body: Air Conditioning, Supplemental Restraint System (SRS), Seat Belts, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Locks, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seats, Engine Hood/Door, Exterior & Interior Trim, General Electrical Systems, Multiplex/CAN Communication Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication Diagnostics And Repair: Troubleshooting procedures, component testing, disassembly and reassembly instructions, repair techniques for all covered systems Technical Depth Depth Of Coverage: Comprehensive coverage from basic maintenance to advanced diagnostics and component-level repairs, including detailed technical data and diagrams. 📊 Manual Specifications File Format Compatibility: All Versions of Windows & Mac Required Software: Adobe PDF Reader, Winzip Print Quality Printability: Printable for garage use Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Option 1 Displacement: 5.3L (325 cu in) Engine Option 1 Engine Code: LM7 (Vortec 5300) Engine Option 1 Configuration: V8, OHV, 16-valve, Pushrod Engine Option 1 Horsepower: 285-295 hp @ 5200 rpm (depending on year/trim) Engine Option 1 Torque: 325-335 lb-ft @ 4000 rpm (depending on year/trim) Secondary Engine Engine Option 2 Displacement: 6.0L (364 cu in) Engine Option 2 Engine Code: LQ4 (Vortec 6000) Engine Option 2 Configuration: V8, OHV, 16-valve, Pushrod Engine Option 2 Horsepower: 300-325 hp @ 5200-5400 rpm (depending on year/trim) Engine Option 2 Torque: 360-370 lb-ft @ 4000 rpm (depending on year/trim) Fuel System Fuel Delivery: Multi-port Electronic Fuel Injection (MPI) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Type Standard: 4-Speed Automatic (4L60-E) Optional Transmission Type Optional: 4-Speed Automatic (4L80-E - for 6.0L models) Features Drivetrain Options: Rear-Wheel Drive (RWD), Four-Wheel Drive (4WD) with Autotrac transfer case 📐 Dimensions Exterior Length: Approx. 223.0 inches Width: Approx. 79.7 inches Height: Approx. 77.0 inches Wheelbase: Approx. 130.0 inches Cargo Cargo Volume Midgate Closed: Approx. 5.5 ft³ (behind 2nd row) Cargo Volume Midgate Open: Approx. 45.0 ft³ (with Midgate folded and 2nd row down) Weights Curb Weight Rwd 5.3L: Approx. 5,600 - 5,800 lbs Curb Weight 4Wd 6.0L: Approx. 6,000 - 6,200 lbs Gross Vehicle Weight Rating Gvw: Approx. 7,000 - 7,200 lbs 🛡️ Safety Features Ratings NHTSA Frontal Crash Driver: 5-Star (2002-2004 models) NHTSA Frontal Crash Passenger: 5-Star (2002-2004 models) NHTSA Side Impact Front Driver: 5-Star (2002-2004 models) NHTSA Side Impact Front Passenger: 5-Star (2002-2004 models) NHTSA Side Impact Rear Passenger: 5-Star (2002-2004 models) Active Features ABS: Standard 4-wheel Anti-lock Braking System (ABS) Traction Control: Available (often integrated with StabiliTrak on higher trims) Passive Features Airbags: Frontal airbags for driver and front passenger, optional side-impact airbags Seat Belts: 3-point seat belts for all occupants 💡 Technology Features Infotainment Audio System Options: AM/FM stereo with CD player, optional Bose premium audio system, optional rear-seat entertainment system. Driver Assistance Cruise Control: Standard on most trims Connectivity Multiplex System: GM's Multiplex/CAN communication network for integrated electronic systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles or 6 months, depending on oil type and driving conditions (consult manual for specific recommendation). Tire Rotation Interval: Every 6,000-7,500 miles Spark Plug Replacement: Typically 100,000 miles for iridium-tipped spark plugs. Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic Blend or Full Synthetic (API certified) Engine Oil Capacity: Approx. 6 quarts (5.7 Liters) with filter for 5.3L, 7 quarts for 6.0L Transmission Fluid Type: Dexron-III H (or equivalent) Coolant Type: GM P/N 12346290 (Orange) or equivalent long-life coolant (OAT) Known Issues Common Issue 1: Active Fuel Management (AFM) lifter issues (on later models, less prevalent in this generation but worth noting for Vortec V8s) Common Issue 2: Dashboard cracks (common GM issue of the era) Common Issue 3: Rear main seal leaks Common Issue 4: Transmission solenoid issues (4L60E/4L80E) Common Issue 5: Body control module (BCM) and electrical gremlins 📚 Vehicle History Brand Heritage Manufacturer: General Motors (GM) Model Evolution Concept Origin: Developed from the Chevrolet Silverado/GMC Sierra platform. Styling...