🏷️ Basic Information Identification Make: Dodge Model: Ram Truck D150/D250/D350 Model Years Covered: 1989, 1990, 1991 Codes Chassis Code: Third Generation Ram (BR/BE) 👋 Introduction Market Position Market Segment: Full-size pickup truck, heavy-duty work truck Competitive Analysis Competitors: Ford F-Series, Chevrolet C/K Series Key Features Vehicle Focus: Robust construction, towing and hauling capability, V8 engine options Manual Benefit: Empowers owners and technicians to perform a wide range of repairs and maintenance, saving significant costs. 📋 Manual Details Coverage Areas Primary Coverage: Complete Workshop Service Repair Model Variant Coverage: All Models, Engines, Trim Levels, and Transmission Types Page Count Estimated Page Count: Extensive (Full Workshop Manual) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Delivery Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine diagnosis, overhaul, timing, cooling, lubrication, fuel systems (carbureted and injected) Engine Electrical: Ignition system, starting system, charging system, electronic engine controls (ECU), sensors, actuators Transmission Manual: Service and repair procedures for manual transmissions (e.g., A500, NV4500, Getrag) Transmission Automatic: Service and repair procedures for automatic transmissions (e.g., A500, A518) Drivetrain: Driveshafts, universal joints, rear axle assemblies, differential service, four-wheel drive system service Suspension Steering: Front and rear suspension systems, steering gear, power steering, alignment specifications Brakes: Front and rear brake systems (disc and drum), hydraulic system, parking brake, ABS system (if equipped) Electrical Body: Body electrical systems, lighting, instrumentation, power accessories, wiring diagrams HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair Body Chassis: Body panel removal/installation, chassis lubrication, frame inspection Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, belt adjustments Diagnostics: Troubleshooting charts, diagnostic trouble codes (DTCs), symptom-based troubleshooting Repair Overhaul: Complete engine rebuilds, transmission overhaul, differential rebuilds, suspension component replacement Adjustments: Valve adjustments, timing adjustments, brake adjustments Wiring Diagrams: Detailed electrical wiring schematics for all vehicle systems Technical Depth Depth: Comprehensive, covering basic maintenance to full component overhaul and advanced diagnostics. 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text content for quick information retrieval Print Quality Printability: Printable by chapter or entire document Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Software Requirements Required Software: Adobe Reader (or compatible PDF viewer) ⚙️ Engine Specifications Primary Engine Engine Options: 3.9L (239 cu in) Magnum V6, 5.2L (318 cu in) Magnum V8, 5.9L (360 cu in) Magnum V8, 5.9L (360 cu in) Cummins Turbo Diesel (D250/D350) Performance Horsepower Range: Varies by engine, typically 150-230 HP for gasoline V8s, ~160 HP for Cummins Diesel Torque Range: Varies by engine, typically 250-350 lb-ft for gasoline V8s, ~400 lb-ft for Cummins Diesel Fuel System Gasoline Injection: Electronic Fuel Injection (EFI) - Sequential Multi-Port Fuel Injection (MPI) for Magnum engines Diesel Fuel System: Mechanical Diesel Injection (inline injection pump) Ignition System Ignition Type: Distributorless Ignition System (DIS) or distributor-based ignition depending on specific engine and option packages Cooling System Cooling Type: Pressurized liquid cooling system with engine-driven fan or fan clutch 🔧 Transmission Standard Standard Transmission Gasoline: 4-speed Automatic (A500/A518), 5-speed Manual (Getrag G360) Standard Transmission Diesel: 5-speed Manual (Getrag G360), 4-speed Automatic (A518 with diesel calibration) Optional Optional Transmission: NV4500 5-speed manual (later models), Heavy-duty automatic transmissions Features Transmission Fluid Gasoline: ATF+3 or equivalent for automatic transmissions (check specific manual for exact spec) Transmission Fluid Manual: Gear oil, e.g., SAE 75W-90 or 80W-90 GL-4/GL-5 (check specific manual) Drivetrain Options: 2WD (Rear Wheel Drive), 4WD (Part-time Four-Wheel Drive) 📐 Dimensions Exterior Body Styles: Regular Cab, Club Cab (Extended Cab) Bed Lengths: 6.5 ft (Standard), 8 ft (Long Bed) Weights Gvwr: Ranges from approximately 6,000 lbs to over 10,000 lbs depending on model (D150, D250, D350) and configuration Curb Weight: Varies significantly based on configuration, typically 4,000 - 6,000 lbs 🛡️ Safety Features Ratings NHTSA Ratings: Not readily available for this era of trucks in detailed online formats; manual will provide specific safety system information. Active Features Braking System: Power-assisted front disc brakes, rear drum brakes; optional Anti-lock Braking System (ABS) on rear wheels for some models Passive Features Restraints: Seat belts (lap and shoulder belts for front occupants) Chassis Construction: Body-on-frame construction for durability and load-carrying capacity 💡 Technology Features Infotainment Audio System: Factory AM/FM radio, cassette player, optional CD player. Speaker configurations vary by trim and cab type. Instrument Cluster: Analog gauges for speedometer, tachometer (optional), fuel, oil pressure, coolant temperature, and voltmeter. Warning lights for various systems. Driver Assistance ABS: Rear-wheel Anti-lock Braking System (ABS) was an option on some models, primarily affecting rear wheel braking. Connectivity Factory Connectivity: Limited to factory-installed radio features; no advanced telematics or Bluetooth connectivity. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 3 months for conventional oil; consult manual for synthetic oil and specific engine recommendations. Tune Up Interval: Spark plugs and filters typically every 30,000-60,000 miles, depending...