🏷️ Basic Information Identification Make: Dodge Model: Ram Truck Year: 2003 Codes Platform: DR/DH/D1 Chassis Code: DR 👋 Introduction Market Position Category: Full-Size Pickup Truck Target Market: Work, Towing, Family Hauling Competitive Analysis Competitors: Ford F-Series, Chevrolet Silverado, GMC Sierra Key Features Body Styles: Regular Cab, Club Cab (Extended Cab), Quad Cab (Crew Cab) Bed Lengths: 6.3 ft, 8.0 ft Drive Type: Rear-Wheel Drive (RWD), Four-Wheel Drive (4WD) 📋 Manual Details Coverage Areas Primary Coverage: Factory Service Repair Secondary Coverage: Workshop Repair, Maintenance, Diagnostics, Troubleshooting Page Count Estimated Page Count: 1500+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, crankshaft, pistons, connecting rods, lubrication system, cooling system Engine Performance: Fuel delivery, ignition system, emission control, turbocharging (if applicable) Transmission: Manual and automatic transmission overhaul, repair, torque converter, clutch, shifter mechanisms Drivetrain: Front and rear axles, differential, driveshafts, U-joints, CV joints (if applicable), transfer case (4WD models) Brakes: Front and rear brake systems (disc/drum), ABS, parking brake, hydraulic lines, master cylinder, calipers, rotors Suspension: Front and rear suspension components, shock absorbers, struts, springs, control arms, ball joints, bushings, steering linkage Steering: Steering column, steering gear, power steering system, pump, reservoir, steering linkage Electrical System: Battery, charging system, starting system, alternator, starter motor, ignition switch, lighting, horns, wipers, power windows, power locks Body And Chassis: Body panels, doors, hood, tailgate, bumpers, interior trim, frame, unibody construction (if applicable) HVAC: Heating, ventilation, and air conditioning system, components, refrigerant, diagnostics Restraints: Airbag system, seat belts, SRS components, diagnostics Diagnostics: OBD-II diagnostic trouble codes (DTCs), diagnostic procedures, wiring diagrams, connector pinouts Procedures Included Maintenance: Oil changes, fluid checks and changes, filter replacements, tune-ups, tire rotation, brake pad replacement Repair: Component replacement, system overhaul, troubleshooting and repair of all major vehicle systems Troubleshooting: Step-by-step diagnostic flowcharts and procedures for common and uncommon issues Installation: Installation procedures for various components and accessories Rebuild: Complete rebuild procedures for engines, transmissions, and differentials Technical Depth Depth: Factory Level, Comprehensive Detailed Illustrations: Hundreds of detailed illustrations, diagrams, and photos Target Audience: DIY Enthusiasts and Professional Mechanics 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable Text Print Quality Printability: All pages printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options: 3.7L Magnum V6, 4.7L Magnum V8, 5.9L Cummins Turbo Diesel I6 Performance 3.7L V6 Horsepower: 215 hp @ 5200 rpm 3.7L V6 Torque: 235 lb-ft @ 4000 rpm 4.7L V8 Horsepower: 235 hp @ 4800 rpm (early models), 240 hp @ 4800 rpm (later models) 4.7L V8 Torque: 300 lb-ft @ 3200 rpm (early models), 315 lb-ft @ 3200 rpm (later models) 5.9L Cummins Horsepower: 235 hp @ 2900 rpm (early models), 250 hp @ 2900 rpm (later models) 5.9L Cummins Torque: 460 lb-ft @ 1400 rpm (early models), 505 lb-ft @ 1400 rpm (later models) Fuel System 3.7L Fuel System: Sequential Multi-Port Fuel Injection (MPI) 4.7L Fuel System: Sequential Multi-Port Fuel Injection (MPI) 5.9L Fuel System: Direct Injection (DI) with Bosch VP44 Injection Pump (early), Common Rail Direct Injection (CRDI) with Bosch CP3 Injection Pump (late) 🔧 Transmission Standard Standard Transmission: 5-Speed Manual (NV3500 for V6 and smaller V8, NV4500 for larger V8 and Diesel) Optional Optional Transmission: 4-Speed Automatic (42RE for V6/4.7L V8, 47RE for 4.7L V8/5.9L Diesel, 48RE for 5.9L Diesel late models) Features Transfer Case Options: Part-time 4WD, Full-time 4WD (some models) 📐 Dimensions Exterior Wheelbase Regular Cab: 118.7 inches Wheelbase Club Cab: 134.7 inches Wheelbase Quad Cab: 148.7 inches Weights Curb Weight Range: Approximately 4,500 - 6,500 lbs (depending on configuration) Towing Capacity Max: Up to 10,000+ lbs (depending on configuration and engine) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Good (for models tested) NHTSA Front Impact Passenger: Good (for models tested) Active Features ABS: Standard on most models, Optional on base models Passive Features Airbags: Driver and Passenger Frontal Airbags Seat Belts: Three-point front seat belts, Lap belts for rear passengers 💡 Technology Features Infotainment Infotainment System: Optional AM/FM/CD player, optional premium audio systems, optional navigation system (late models) Driver Assistance Driver Assistance Features: Limited by modern standards; features like cruise control were common. No advanced electronic driver aids like adaptive cruise control or lane keeping assist. Connectivity Connectivity Options: No integrated Bluetooth or USB ports as standard. Auxiliary input may be available on some premium audio systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles, or every 6 months, depending on oil type and driving conditions (refer to manual for specifics) Transmission Fluid Change Interval: Every 30,000-60,000 miles, or every 2-3 years, depending on usage (refer to manual for specifics) Coolant Flush Interval: Every 30,000-100,000 miles, or every 2-5 years, depending on coolant type (refer to manual for specifics)...