🏷️ Basic Information Identification Make: Dodge Model: Ram Truck AD150 Year: 1989-1991 Codes Platform Code: AD 👋 Introduction Market Position Target Audience: Professional automotive technicians and experienced DIY mechanics Competitive Analysis Value Proposition: Provides essential, detailed information for maintaining and repairing the Dodge Ram AD150, crucial for a vehicle of this age. Key Features Coverage Scope: Covers all major mechanical, electrical, and body systems for the specified model years. Practicality: Empowers users to perform complex repairs and maintenance, saving on dealership costs. 📋 Manual Details Coverage Areas Covered Years: 1989, 1990, 1991 Covered Models: Dodge Ram Truck AD150 Page Count Estimated Pages: 1000+ Manual Type Type: Workshop Service Repair Manual Accuracy Level: Factory-level specifications and procedures Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete repair, overhaul, and diagnostics for all engine variants including troubleshooting. Transmission: Manual and automatic transmission repair, overhaul, and diagnostics. Drivetrain: Front-wheel drive (if applicable) and rear-wheel drive systems, differentials, axles, driveshafts. Suspension: Front and rear suspension components, steering system, wheel alignment specifications. Brakes: Hydraulic brake system, parking brake, ABS system (if equipped), component replacement, bleeding procedures. Electrical: Wiring diagrams, fuse box locations, component testing, charging system, starting system, lighting, instruments. Fuel System: Fuel tank, fuel pump, fuel injection system (if equipped), carburetor troubleshooting and repair. Exhaust System: Exhaust manifold, catalytic converter, muffler, pipe replacement and repair. Cooling System: Radiator, water pump, thermostat, cooling fan, heater core, flushing procedures. HVAC: Air conditioning system diagnosis, repair, refrigerant handling, heater operation. Body: Exterior body panels, doors, hood, tailgate, interior trim, glass replacement. Chassis: Frame inspection and repair, structural components. Procedures Included Maintenance: Oil changes, filter replacements, tune-ups, fluid checks, belt and hose inspection/replacement. Troubleshooting: Diagnostic flowcharts and symptom-based troubleshooting for various systems. Repair: Step-by-step instructions for component removal, installation, and repair. Overhaul: Complete rebuild procedures for major components like engines and transmissions. Diagnostics: Detailed diagnostic procedures for electrical and mechanical systems. Technical Depth Depth: Comprehensive, covering basic maintenance to advanced engine and transmission rebuilds. 📊 Manual Specifications File Format Searchable Text: Yes (typically) Print Quality: High-resolution scans suitable for printing Binding Type Binding: N/A (PDF format) Paper Type Paper Type: N/A (PDF format) ⚙️ Engine Specifications Primary Engine Engine Options: Likely includes 3.9L V6 (238 ci), 5.2L V8 (318 ci), and potentially 5.9L V8 (360 ci) depending on exact AD150 configuration. Specific engine codes (e.g., LA series V8s) would be detailed in the manual. Performance Horsepower Torque Data: Detailed specifications for each engine option, including expected horsepower and torque figures at specific RPMs. Fuel System Fuel Delivery: Carbureted (likely for base models) or Throttle Body Injection (TBI) / Electronic Fuel Injection (EFI) depending on year and engine. Fuel Type: Unleaded gasoline Ignition System Ignition Type: Distributor-based ignition system (likely conventional points or electronic ignition). Cooling System Coolant Type: Ethylene glycol-based coolant (e.g., Mopar Antifreeze/Coolant). Specific mixture ratios provided. Lubrication System Oil Viscosity: Commonly SAE 10W-30 or SAE 10W-40, with detailed specifications for operating temperatures. Engine Rebuild Torque Specifications: Precise torque values for critical fasteners like cylinder heads, main bearings, connecting rods. Piston Ring Gap: Specifications for piston ring end gap and side clearance. Bearing Clearances: Clearance specifications for crankshaft main bearings and connecting rod bearings. 🔧 Transmission Standard Transmission Options: Manual transmissions (e.g., A500 series) and automatic transmissions (e.g., A727, A518 overdrive) were common. Optional Overdrive Transmission: Availability of overdrive automatics (like A518) for improved fuel economy. Features Fluid Type: ATF+3 or equivalent for automatic transmissions, manual transmission fluid (e.g., SAE 75W-90 GL-5) for manuals. Specific part numbers provided. Torque Converter: Information on torque converter specifications and replacement procedures. Rebuild Clutch Disassembly: Procedures for clutch pack identification, removal, and replacement in automatic transmissions. 📐 Dimensions Exterior Wheelbase: Varies by configuration (e.g., standard cab, long bed). Manual will list specific wheelbases for different body styles. Overall Length: Varies by configuration. Manual will provide detailed dimensions. Overall Width: Varies by configuration. Manual will provide detailed dimensions. Overall Height: Varies by configuration. Manual will provide detailed dimensions. Weights Curb Weight: Typically ranges from 3,500 to 4,500+ lbs depending on engine, cab, and drivetrain. Specific GVWR (Gross Vehicle Weight Rating) and payload capacities detailed. Gvw Rating: Gross Vehicle Weight Rating, crucial for payload calculations. Manual will specify ranges. Payload Capacity: Specified by the manufacturer based on configuration. Manual will provide these figures. Cargo Bed Length: Available in short bed and long bed configurations. Manual will list dimensions for each. 🛡️ Safety Features Ratings NHTSA Ratings: For vehicles of this era, comprehensive ratings are often not available in the same format as modern vehicles. Manual may reference internal testing or design considerations for safety. Active Features ABS: Anti-lock Braking System (ABS) may have been optional or standard on certain trims/years. Manual details its operation and troubleshooting. Passive Features Seatbelts: Information on seatbelt operation, adjustment, and replacement. Driver Airbag: Driver...