🏷️ Basic Information Identification Make: Chevrolet Model: Avalanche Generation: First Generation Chassis Code: GMT800 Codes Engine Codes: LM7 (5.3L V8), LQ4 (6.0L V8) 👋 Introduction Market Position Segment: Full-size SUV / Light Duty Truck Crossover Competitive Analysis Competitors: Ford Explorer Sport Trac, Dodge Ramcharger, Nissan Titan Crew Cab, Toyota Tundra Access Cab (competing on utility and passenger capacity) Key Features Unique Selling Proposition: Segment-defining Midgate system allowing conversion from a closed SUV cabin to an open-bed pickup truck configuration, combining the benefits of both vehicle types. 📋 Manual Details Coverage Areas Years Covered: 2002, 2003, 2004, 2005, 2006 Models Covered: All Chevrolet Avalanche models, all trim levels, all configurations Engine Coverage: 5.3L V8 (LM7), 6.0L V8 (LQ4) Transmission Coverage: 4L60-E (4-speed automatic), 4L80-E (4-speed automatic) Page Count Estimated Page Count: Likely 2000+ pages (typical for a complete workshop manual) Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Digital Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, lubrication system, exhaust system, engine performance, transmission (automatic), transfer case (4WD models) Chassis: Suspension (front and rear), steering system, braking system (ABS, DRL, rear drum/disc), wheels and tires Electrical: Body control module (BCM), powertrain control module (PCM), chassis control module (CCM), lighting (interior and exterior), instrument cluster, audio system, HVAC controls, power windows/locks/mirrors, cruise control, trailer wiring Body: Exterior body panels, interior trim, seats, cargo management system (Midgate, Midgate panel, bed cover), doors, windows, bumpers, tailgate Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and changes, belt and hose inspection/replacement, spark plug replacement, brake pad/rotor replacement, tire rotation Repair: Engine overhaul, transmission rebuild, suspension component replacement, brake caliper/master cylinder replacement, alternator/starter replacement, power steering pump replacement, fuel pump replacement, radiator replacement, exhaust system repair, body panel repair/replacement, interior component repair Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), wiring diagrams, component testing procedures Specifications: Torque specifications, fluid capacities, clearances, measurements, diagnostic parameters Technical Depth Depth: Comprehensive, covering all aspects from routine maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and wiring diagrams. 📊 Manual Specifications File Format Requirements: Adobe Reader (free download available), compatible with PC, MAC, tablets, and smartphones. Print Quality Printability: High quality, allows printing of individual pages, chapters, or the entire manual. Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Displacement 1: 5.3 Liters (327 cu in) Engine Type 1: V8, Vortec 5300, OHV, 16-valve Horsepower 1: 285 hp @ 5200 rpm (approximate) Torque 1: 325 lb-ft @ 4000 rpm (approximate) Fuel System 1: Sequential Electronic Fuel Injection (SEFI) Engine Codes 1: LM7 Optional Engine Engine Displacement 2: 6.0 Liters (364 cu in) Engine Type 2: V8, Vortec 6000, OHV, 16-valve Horsepower 2: 300 hp @ 4800 rpm (approximate) Torque 2: 360 lb-ft @ 4000 rpm (approximate) Fuel System 2: Sequential Electronic Fuel Injection (SEFI) Engine Codes 2: LQ4 🔧 Transmission Standard Type 1: 4-speed Automatic Overdrive Model 1: 4L60-E Optional Type 2: 4-speed Automatic Overdrive Model 2: 4L80-E (typically with 6.0L engine) Features Drive Options: Rear-Wheel Drive (RWD), All-Wheel Drive (AWD, with a 2-speed transfer case on most models) 📐 Dimensions Exterior Wheelbase: 130.0 inches Overall Length: 221.0 inches Overall Width: 79.7 inches Overall Height: 76.7 inches Cargo Cargo Volume Midgate Closed: Approximately 57.7 cubic feet (behind the second row) Cargo Volume Midgate Open: Approximately 108.9 cubic feet (behind the first row, bed length extended) Weights Curb Weight Rwd 5.3L: Approximately 5,545 lbs Curb Weight AWD 5.3L: Approximately 5,756 lbs Gross Vehicle Weight Rating Gvw: 7,000 - 7,200 lbs (depending on configuration) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3-star rating (typical for this era of large SUVs) Active Features ABS: Standard Anti-lock Braking System (ABS) on all wheels. Traction Control: Available Traction Control System (TCS). Passive Features Airbags: Frontal airbags for driver and front passenger. Seat Belts: Three-point seat belts for all seating positions. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with CD player. Optional premium sound systems, Bose audio, and in-dash CD changers available. Navigation: Optional factory navigation system was available on higher trim levels. Driver Assistance Cruise Control: Standard cruise control. Connectivity Trailer Package: Optional towing packages included trailer wiring harnesses and upgraded cooling. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles or 6 months, depending on oil type and driving conditions (refer to manual for specific recommendations). Engine Air Filter: Inspect every 15,000 miles, replace as needed. Cabin Air Filter: Replace every 12,000-15,000 miles or annually. Transmission Fluid: Replace fluid and filter every 30,000-100,000 miles depending on usage and fluid type (consult manual). Fluid Specifications Engine Oil 5.3L: SAE 5W-30, API SN or newer certified. Capacity: 6 quarts with filter. Engine Oil 6.0L: SAE 5W-30, API SN or newer certified. Capacity: 6 quarts...