🏷️ Basic Information Identification Make: Dodge Model: Ram Truck Series: W150, W250, W350 Product Name: Dodge Ram Truck W150 W250 W350 Complete Workshop Service Repair Manual 1989 1990 1991 Codes Chassis Codes: 2nd Generation Ram Trucks 👋 Introduction Market Position Target Audience: Dodge Ram truck owners, DIY mechanics, automotive repair shops Competitive Analysis Value Proposition: Enables significant cost savings by empowering owners to perform their own repairs and maintenance. Key Features Ease Of Use: Easy-to-follow step-by-step instructions and illustrative pictures Accessibility: Instant delivery via email, accessible on multiple devices. Comprehensiveness: Covers all service and repair procedures A-Z. 📋 Manual Details Coverage Areas Manual Scope: All Models, Engines, Trim Levels, and Transmission Types Page Count Estimated Pages: 1000+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain, Fuel System, Exhaust System Chassis: Suspension, Steering, Brakes, Wheels, Tires Electrical: Ignition, Lighting, Instrumentation, Body Electrical, Charging System, Starting System Body & Frame: Body Panels, Doors, Windows, Seats, Interior Trim, Frame Repair Procedures Included Preventative Maintenance: Oil Changes, Filter Replacements, Fluid Level Checks, Lubrication Troubleshooting: Diagnostic Flowcharts, Common Problems, Symptom Analysis Component Repair: Engine Overhaul, Transmission Rebuild, Brake System Service, Electrical Component Replacement Bodywork: Dent Repair, Panel Replacement, Rust Prevention, Interior Upholstery Service Diagnostics: Fault Code Interpretation, Sensor Testing, Electrical Circuit Analysis Technical Depth Depth Level: Comprehensive (A-Z) covering routine maintenance to complete engine and transmission rebuilds 📊 Manual Specifications File Format Compatibility: All PC & MAC Computers, Tablets, Smartphones (requires Adobe Reader) Print Quality Quality Description: High-quality, detailed step-by-step instructions with clear diagrams and pictures Printable: Yes (individual pages, chapters, or entire manual) Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options Available: Refer to manual for specific engine options covered, including: 3.9L V6 Magnum, 5.2L V8 Magnum, 5.9L V8 Magnum, 5.9L Turbo Diesel Cummins Performance Horsepower Range: Varies by engine, consult manual for specific figures (e.g., 125-180 hp for gasoline V8s, 160 hp for early Cummins) Torque Range: Varies by engine, consult manual for specific figures (e.g., 245-270 lb-ft for gasoline V8s, 400 lb-ft for early Cummins) Fuel System Fuel Delivery: Throttle Body Injection (TBI) or Multi-Point Fuel Injection (MPI) for gasoline engines; Direct Injection for diesel engines. Manual covers diagnosis and repair. Cooling System Cooling Method: Pressurized liquid cooling system. Manual details radiator, water pump, thermostat, and fan clutch service. Ignition System Ignition Type: Electronic Ignition System. Manual covers distributor, ignition coil, spark plugs, and wires. 🔧 Transmission Standard Transmission Options: Manual transmission (e.g., NP435, Getrag G360) and Automatic transmission (e.g., A500, A518) for gasoline engines. Manual covers service and repair for all variants. Optional Transmission Options: Diesel models typically came with heavy-duty manual or automatic transmissions. Manual covers these specific units. Features Drivetrain: Rear-wheel drive (RWD) and Four-wheel drive (4WD) configurations. Manual covers transfer case service and front/rear axle repair. Fluid Specifications Automatic Transmission Fluid: Refer to manual for specific ATF type (e.g., ATF+3 or equivalent for A500/A518). Manual Transmission Fluid: Refer to manual for specific gear oil type and viscosity (e.g., GL-4 or GL-5). 📐 Dimensions Exterior Body Styles: Regular Cab, Extended Cab; Short Wheelbase, Long Wheelbase Weights Curb Weight Range: Varies significantly by configuration (W150, W250, W350) and cab/bed length. Manual provides detailed specifications. Gross Vehicle Weight Rating Range: Up to 10,000 lbs+ for W350 models, depending on configuration. Manual lists specific GVWR for each model. 🛡️ Safety Features Ratings Crash Test Information: Limited public crash test data available for this generation. Manual focuses on structural integrity and component safety. Active Features Braking System: Front disc brakes, rear drum brakes (or optional rear discs on some models). Manual details brake system servicing, including ABS troubleshooting if equipped. Passive Features Restraints: Seat belts. Manual may cover seat belt mechanism inspection and replacement. 💡 Technology Features Infotainment Audio System: Standard AM/FM radio, optional cassette player or premium sound systems. Manual may cover radio removal/installation and speaker service. Driver Assistance ABS: Anti-lock Braking System (ABS) was optional on some models. Manual provides diagnostic and repair procedures for ABS components. Connectivity Wiring Diagrams: The manual includes comprehensive electrical wiring diagrams essential for troubleshooting and repairing electrical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000-5,000 miles or 3-6 months, depending on driving conditions. Manual provides detailed recommendations. Transmission Fluid Change: Refer to manual for recommended intervals, generally around 30,000-60,000 miles for automatic transmissions. Coolant Flush: Typically every 30,000 miles or 2-3 years. Manual specifies coolant type and capacity. Fluid Specifications Engine Oil Specification: Refer to manual for specific viscosity grade (e.g., 10W-30, 10W-40) and API service classification for different engines. Coolant Specification: Ethylene glycol based coolant (green). Manual specifies type and mixture ratio. Known Issues Common Problems Electrical: Corrosion in wiring harnesses,...