🏷️ Basic Information Identification Make: Dodge Model: Ram Truck AD100 Model Generation: Third Generation (AD Series) Model Years Covered: 1989, 1990, 1991 👋 Introduction Market Position Target Audience: Professional mechanics, automotive repair shops, and experienced DIY enthusiasts working on 1989-1991 Dodge Ram Trucks. Segment: Full-size pickup truck. Competitive Analysis Value Proposition: Provides factory-level repair information, enabling cost-effective maintenance and repair of a classic Dodge pickup. Key Features Uniqueness: Covers the entire AD100 generation for these specific years, offering a singular resource for a popular classic truck. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: PDF Page Count Estimated Page Count: High page count, likely exceeding 1000 pages, common for comprehensive workshop manuals of this era. 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhaul and repair procedures for all gasoline engines used in the AD100 series during these years. Engine Electrical: Ignition system, starting and charging systems, fuel injection system diagnostics and repair, sensor testing. Transmission Manual: Repair and overhaul procedures for manual transmissions, including clutch system. Transmission Automatic: Diagnosis, repair, and overhaul of automatic transmissions, including hydraulic control systems and torque converter. Drivetrain: Rear axle repair, driveshaft maintenance, universal joints, propeller shaft. Suspension: Front and rear suspension components, shock absorbers, springs, control arms, bushings, alignment specifications. Steering: Power steering system repair, steering gear, tie rods, steering column. Brakes: Hydraulic brake system diagnosis, repair, including master cylinder, brake boosters, front and rear disc/drum brake components, parking brake. Electrical System: Complete wiring diagrams, lighting system, instrument cluster, power windows, door locks, horn, fuses, relays. HVAC: Heating, ventilation, and air conditioning system diagnosis and repair, refrigerant handling. Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter replacement, evaporative emission control system. Exhaust System: Exhaust manifold, catalytic converter, muffler, pipes, hangers. Body And Frame: Body panel repair, door mechanisms, hood, tailgate, bumpers, chassis lubrication points. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, lubrication, tire rotation. Diagnostic Troubleshooting: Step-by-step guides for identifying and resolving common problems across all major systems. Component Overhaul: Detailed instructions for disassembling, inspecting, repairing, and reassembling major components. Replacement Procedures: Instructions for replacing individual parts and sub-assemblies. Adjustment Procedures: Calibration and adjustment of various systems, such as ignition timing, valve lash (where applicable), and parking brake. Technical Depth Depth Of Coverage: Comprehensive, suitable for professional technicians and advanced DIY mechanics. Covers everything from basic fluid changes to complete engine and transmission rebuilds. Diagnostic Charts: Includes detailed diagnostic flowcharts and symptom-to-cause tables for troubleshooting. Torque Specifications: Comprehensive listing of all critical torque specifications for fasteners across all systems. Special Tools: Identification and usage guidelines for any specialized tools required for specific repair procedures. 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text, allowing for quick keyword lookups. File Size: Likely a large file size due to the extensive technical content and potential for scanned images/diagrams. Print Quality Print Quality: High-resolution scans ensuring clarity of diagrams and text, suitable for printing. Binding Type Binding Type: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Options 1: 3.9L V6 Magnum (5.2L V8 Magnum introduced later in the generation, but manual likely covers early versions too) Engine Options 2: 5.2L V8 Magnum Engine Options 3: 5.9L V8 Magnum Displacement 3 9L: 3.9 liters (239 cubic inches) Displacement 5 2L: 5.2 liters (318 cubic inches) Displacement 5 9L: 5.9 liters (360 cubic inches) Performance Horsepower 3 9L Approx: 125-135 hp (varies by year and tune) Torque 3 9L Approx: 190-200 lb-ft (varies by year and tune) Horsepower 5 2L Approx: 170-185 hp (varies by year and tune) Torque 5 2L Approx: 260-290 lb-ft (varies by year and tune) Horsepower 5 9L Approx: 190-200 hp (varies by year and tune) Torque 5 9L Approx: 300-330 lb-ft (varies by year and tune) Fuel System Fuel Delivery Type: Multi-point Fuel Injection (MPI) or Throttle Body Injection (TBI) depending on year and engine. Fuel Type: Unleaded Gasoline Engine Options 4 Engine Option Diesel: While not explicitly mentioned in the product title, some AD series trucks may have had a diesel option (e.g., 6.9L or 7.3L IDI Ford/Navistar diesel in some aftermarket or specialized configurations, though less common for factory Dodge). This manual primarily focuses on gasoline engines unless otherwise specified. 🔧 Transmission Standard Standard Transmission Type: 4-speed manual (New Process NP435 or Getrag G360) common on some models, especially V8s. Optional Optional Transmission Type 1: 3-speed automatic (Chrysler A727 Torqueflite) Optional Transmission Type 2: 4-speed automatic (Chrysler A518/46RH) Features Overdrive Feature: Overdrive gear available on 4-speed automatic transmissions (A518/46RH) for improved fuel economy. 📐 Dimensions Exterior Wheelbase Options: Standard (112.0 inches) and Long (125.2 inches) wheelbases common across various configurations. Body Styles: Regular Cab, Club Cab (extended cab). Cargo Bed Length Options: 6.5 ft (standard bed) and 8...