🏷️ Basic Information Identification Make: Dodge Model: Ram Truck Model Generation: Third Generation (DR/DH/D3) Codes Platform Codes: DR/DH/D3 👋 Introduction Market Position Positioning: A robust and capable full-size pickup truck known for its towing and hauling capabilities, comfort, and versatility, serving both commercial and personal use markets. Competitive Analysis Competitors: Ford F-Series, Chevrolet Silverado/GMC Sierra, Toyota Tundra, Nissan Titan. Key Features Vehicle Appeal: Strong V8 engine options, spacious cabin, available four-wheel drive, reputation for durability and work capability. Manual Value Proposition Value For Owner: Empowers owners and independent repair shops with factory-level information to maintain, diagnose, and repair their vehicle accurately, saving time and money compared to dealership services. 📋 Manual Details Coverage Areas Years Covered: 2002, 2003, 2004 Regions Covered: North America (Primary, but generally applicable worldwide with regional adaptations) Page Count Estimated Pages: 1500+ Manual Type Type: Workshop Service Repair Manual (Factory Official) Language Language: English Format Format: Downloadable Digital Format (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, engine control systems (ECM/PCM), cooling system, lubrication system, manual transmission, automatic transmission, transfer case, driveline, axles, differentials. Chassis: Suspension (front and rear), steering system, brake system (front, rear, parking brake, ABS), wheels and tires. Electrical: Battery, charging system, starting system, lighting system, instrument cluster, gauges, warning lamps, body control module (BCM), power windows, power locks, mirrors, wipers, horn, audio system, climate control blower, airbags (SRS), anti-theft system, cruise control, trailer towing electrical. Body: Body structure, exterior panels, doors, hood, tailgate, bumpers, glass, interior trim, seats, HVAC system (operation and diagnosis), climate control components, fuel tank, filler neck. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, lubrication, tire rotation, battery maintenance. Repair And Rebuild: Engine overhaul, transmission overhaul, brake caliper replacement, suspension component replacement, steering gear service, electrical component repair, body panel repair, HVAC component repair. Diagnostics: Troubleshooting charts, diagnostic trouble codes (DTCs), circuit diagrams, component testing procedures, symptom-based diagnostics. Specifications And Tolerances: Engine torques, bearing clearances, piston ring gaps, valve lash, fastener torque specifications, alignment specifications. Technical Depth Depth: Comprehensive. Covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and electrical schematics. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Printability: High resolution for clear printing of text, diagrams, and illustrations. Printable in its entirety or by individual sections. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options: 4.7L Magnum V8 (P/N 5011848AA), 5.9L Magnum V8 (P/N 5011849AA), 5.9L Cummins Turbo Diesel I6 (P/N 3964568) Performance 4.7L V8 Horsepower: Approx. 235 hp @ 4,500 rpm 4.7L V8 Torque: Approx. 305 lb-ft @ 3,200 rpm 5.9L V8 Horsepower: Approx. 245-250 hp @ 4,000 rpm 5.9L V8 Torque: Approx. 330-335 lb-ft @ 3,200 rpm 5.9L Cummins Horsepower: Approx. 235-250 hp @ 2,700 rpm (depending on model year/tune) 5.9L Cummins Torque: Approx. 460-555 lb-ft @ 1,400-1,600 rpm (depending on model year/tune) Fuel System Fuel Type: Unleaded Gasoline (for V8s), Diesel Fuel (for Cummins) Injection System: Multi-port Fuel Injection (MPI) for V8s, High-Pressure Common Rail (HPCR) for later Cummins (this generation likely uses Bosch VP44 injection pump for early models, and HPCR introduced later). Engine Codes Engine Identifier: R = 4.7L V8, Y = 5.9L V8, C = 5.9L Cummins Diesel 🔧 Transmission Standard Transmission Options: 4-speed automatic (45RFE/48RE for V8s, 47RE for 5.9L Gas V8), 6-speed manual (NV5600 for Cummins, G360 for older gas). Optional Optional Transmissions: 5-speed manual (NV4500 for Cummins, G56 for later Cummins), 5-speed automatic (available on some models). Features Transfer Case Options: Electronic Shift-On-The-Fly (ESOF) or part-time manual transfer case. Fluid Specifications Atf Type: ATF+3 or ATF+4 (check specific model year/transmission, ATF+4 generally recommended for later production within this range) Manual Gear Oil: API GL-4 or GL-5 gear lubricant (SAE 75W-90 or 80W-90, depending on temperature) 📐 Dimensions Exterior Wheelbase Options: 131.3 inches (standard cab), 153.3 inches (extended cab), 160.3 inches (Mega Cab) Overall Length Range: Approx. 229.7 to 260.1 inches Cargo Bed Lengths: 6.3 feet (short bed), 8.0 feet (long bed) Weights Curb Weight Range: Approx. 4,700 - 6,500 lbs Towing Capacity: Up to ~10,000 lbs (depending on configuration, engine, and axle ratio) 🛡️ Safety Features Ratings NHTSA Front Impact: Not extensively rated by NHTSA for this specific generation, but generally considered robust for its class. Active Features Active Safety: Anti-lock Braking System (ABS) standard on all models, optional Traction Control System (TCS) on some configurations. Passive Features Passive Safety: Front airbags, three-point seat belts, reinforced body structure, available side-impact beams. 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player, optional cassette, available premium Infinity sound system. Radio display often prone to pixel failure. Driver Assistance Assistance Features: Cruise control. Limited advanced driver-assistance systems available for this era. Parking sensors were not common....