🏷️ Basic Information Identification Make: Dodge Model: W350 Year: 1991 Vehicle Type: Heavy Duty Pickup Truck Product Name: 1991 Dodge W350 Service & Repair Manual Software 👋 Introduction Market Position Market Segment: Full-size heavy-duty pickup truck, designed for towing, hauling, and commercial use. Competitive Analysis Competitors: Ford F-350, Chevrolet C30/K30. Key Features Chassis: Robust C-channel frame construction suitable for heavy loads. Engine Options: Powerful V8 gasoline and inline-six diesel engines. Drive Configurations: Available in both 2WD and 4WD configurations. Payload Capacity: Significant payload and towing capabilities defining its heavy-duty class. 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Page Count Estimated Pages: Hundreds (Software provides comprehensive digital content) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Software (likely digital download/CD/DVD) 📖 Manual Coverage Systems Covered Engine: All gasoline and diesel engine variants, including overhaul, diagnosis, and component testing. Transmission: Manual and Automatic transmissions (A518, NV4500), including rebuilding and troubleshooting. Drivetrain: Rear-wheel drive (RWD) and Four-wheel drive (4WD) systems, transfer cases, axles, driveshafts, and differentials. Suspension: Front and rear suspension components, steering system, shock absorbers, springs, and alignment specifications. Brakes: Hydraulic brake systems (front disc, rear drum), parking brake, ABS (if equipped), and component replacement. Electrical: Full electrical system coverage, including wiring diagrams, charging system, starting system, ignition system, lighting, instruments, and accessories. Fuel System: Fuel delivery, injection systems (MPI), carburetors (if applicable), fuel tanks, pumps, and lines. Cooling System: Radiator, water pump, thermostat, cooling fan, and associated plumbing. Exhaust System: Exhaust manifolds, catalytic converter (if equipped), mufflers, and piping. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair. Body: Body panel repair, interior trim, doors, windows, glass, and latches. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication points, and tune-up procedures. Troubleshooting: Diagnostic charts, symptom-based troubleshooting guides for all major systems. Repair: Step-by-step repair instructions for all mechanical and electrical components, including component removal, installation, and adjustment. Diagnostics: Detailed diagnostic procedures for identifying the root cause of malfunctions, including use of diagnostic tools. Specifications: Torque specifications, clearances, fluid capacities, and electrical resistance values. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. 📊 Manual Specifications File Format Compatibility: Compatible with Windows operating systems (typical for 1991 era software). Print Quality Printability: Digital format allows for selective printing of relevant sections. Binding Type Binding: Not Applicable (Software format) Paper Type Paper Type: Not Applicable (Software format) ⚙️ Engine Specifications Primary Engine Engine 1 Type: 5.2L (318 cu in) Magnum V8 Gasoline Engine 1 Horsepower: ~170 HP @ 3600 RPM Engine 1 Torque: ~270 lb-ft @ 1600 RPM Engine 2 Type: 5.9L (360 cu in) Magnum V8 Gasoline Engine 2 Horsepower: ~230 HP @ 4000 RPM Engine 2 Torque: ~330 lb-ft @ 2400 RPM Diesel Engine Type: 5.9L (359 cu in) Cummins Turbo Diesel Inline-6 Diesel Engine Horsepower: ~160 HP @ 2500 RPM Diesel Engine Torque: ~400 lb-ft @ 1700 RPM Fuel System Gasoline Injection Type: Multi-Point Fuel Injection (MPI) for Magnum V8 engines. Diesel Injection Type: Bosch VE Rotary Injection Pump (Common on early Cummins). 🔧 Transmission Standard Manual Transmission: New Process NP435 4-speed manual (common in earlier models, may have been superseded). Optional Automatic Transmission: A518 3-speed automatic with Overdrive (4-speed effective). Heavy Duty Manual: New Process NV4500 5-speed manual transmission (introduced in this era, highly desirable). Features Transfer Case: New Process NP241 (205 for heavy duty applications) for 4WD models. 📐 Dimensions Exterior Wheelbase: Varies by configuration (e.g., 131" for standard cab, 165" for crew cab/long bed). Bed Length: Available in 8-foot and 9.25-foot bed lengths. Weights Gvwr: Gross Vehicle Weight Rating typically above 8,500 lbs for W350 models, indicating heavy-duty classification. Curb Weight: Varies significantly based on configuration and engine, generally in the 5,500-7,000 lb range. 🛡️ Safety Features Ratings NHTSA Ratings: No specific ratings readily available for this era of heavy-duty trucks; emphasis on structural integrity for intended use. Active Features ABS: Anti-lock Braking System (ABS) often available as an option on rear wheels, later on all four wheels. Passive Features Seatbelts: Lap and shoulder belts for front occupants. 💡 Technology Features Infotainment Radio Options: Basic AM/FM radio with cassette player; optional premium sound systems. Driver Assistance Cruise Control: Available as an option. Connectivity Data Ports: No OBD-II port; utilizes earlier diagnostic methods and direct testing. Manual covers traditional methods. 🔧 Maintenance Service Intervals Oil Change Gasoline: Typically every 3,000 miles or 3 months for gasoline engines under normal use; refer to manual for severe duty. Oil Change Diesel: Every 5,000-7,500 miles or 6 months for Cummins diesel, depending on operating conditions. Transmission Fluid: Automatic: Every 30,000-50,000 miles. Manual: Inspect periodically, fluid changes as needed or every 60,000-100,000 miles. Fluid Specifications Engine Oil Gasoline: API SG or higher, SAE 10W-30 or 10W-40 (consult manual for exact viscosity based on temperature)....