🏷️ Basic Information Identification Make: Dodge Model: Ram Pickup Model Variant: Ramcharger Year: 1990 Engine Type Covered: Diesel 👋 Introduction Market Position Target Audience: Owners of 1990 Dodge Ram Pickup trucks and Ramchargers with diesel engines seeking to perform their own maintenance and repairs, as well as professional automotive technicians. Competitive Analysis Value Proposition: Provides factory-level technical information for a robust diesel truck, enabling cost-effective maintenance and repair, saving money compared to dealership service. Key Features Content Focus: Detailed technical specifications, step-by-step repair procedures, diagnostic flowcharts, and system overviews. Accessibility: Instant download allows for immediate access to crucial repair information. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair for 1990 Dodge Ram Pickup trucks and Ramcharger models equipped with diesel engines. Page Count Estimated Page Count: Approximately 1000+ pages (typical for comprehensive service manuals of this era). Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital Download (PDF or similar) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, disassembly, assembly, inspection, and repair of diesel engine components (cylinder head, block, pistons, crankshaft, camshaft, timing, lubrication, cooling). Fuel System: Fuel injection system (Bosch VE or similar rotary pump), glow plug system, fuel lines, filters, and troubleshooting. Engine Electrical: Starting system, charging system, ignition timing (for glow plugs), sensor diagnostics, and wiring diagrams. Transmission: Manual and Automatic transmission service, overhaul, fluid changes, and component repair. Drivetrain: Front and rear axles, differentials, driveshafts, U-joints, and 4WD system service. Suspension: Front and rear suspension components (leaf springs, shocks, bushings), steering linkage, alignment specifications. Brakes: Hydraulic brake system, disc and drum brake service, parking brake, fluid specifications, bleeding procedures. Electrical System: Lighting, wipers, horn, instrumentation, power windows/locks (if applicable), fuse/relay identification, wiring diagrams. HVAC: Heating, ventilation, and air conditioning system service and repair. Body And Chassis: Body panel removal/installation, door/hood/tailgate adjustments, interior trim, chassis components. Emissions Control: Information on emissions related components and troubleshooting for diesel engines. Procedures Included Maintenance: Scheduled maintenance intervals, fluid checks and changes, filter replacements, lubrication points. Diagnostics: Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (if applicable), testing procedures for various systems. Repair: Step-by-step repair procedures for all major vehicle systems, including detailed illustrations. Assembly Disassembly: Complete instructions for removing and reinstalling components and sub-assemblies. Torque Specifications: Precise torque values for critical fasteners throughout the vehicle. Technical Depth Depth: Advanced diagnostics, component-level repair, and complete engine overhaul procedures, suitable for professional mechanics and experienced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Searchable: Yes (typically for PDF manuals) Printable: Yes, individual sections or entire manual can be printed. Print Quality Illustration Clarity: High-quality diagrams and illustrations for clarity. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code Examples: Common diesel engines for this era include the Cummins 4BT (though less common in light duty Ram compared to heavier applications) or potential proprietary Chrysler/Mitsubishi diesel engines (e.g., 2.5L or 3.0L Mitsubishi 4D56 variants in some markets, or larger displacements). Performance Typical Horsepower Range: Ranges depending on specific diesel engine, typically from 100-160 HP for common diesel variants of the era. Typical Torque Range: Ranges depending on specific diesel engine, typically from 200-300 lb-ft for common diesel variants of the era. Fuel System Injection Type: Indirect Injection (IDI) or Direct Injection (DI) with rotary or inline injection pumps. Glow Plug System: Essential for cold starting, detailed operation and troubleshooting included. Cooling System Coolant Type: Typically a conventional green ethylene glycol based coolant, but refer to manual for precise specification (e.g., Mopar OAT or HOAT depending on manufacturer update). 🔧 Transmission Standard Manual Transmission: Likely a Getrag 5-speed manual transmission (e.g., G360) or Aisin alternatives. Optional Automatic Transmission: Commonly the Chrysler A727 (TorqueFlite) or A518 (overdrive version of A727). Features Fluid Type Automatic: ATF+3 or Dexron III equivalent (refer to manual for exact specification). Fluid Type Manual: GL-4 or GL-5 gear oil, viscosity grade typically 75W-90 or 80W-90 (refer to manual for exact specification). 📐 Dimensions Exterior Body Styles: Regular Cab, Extended Cab (Club Cab), Chassis Cab. Wheelbase Options: Various wheelbases available depending on configuration (e.g., 112.1" to 131.0" for pickups). Weights Curb Weight: Varies significantly by configuration, typically ranging from 4,000 to 5,500 lbs. Gross Vehicle Weight Rating Gvwr: Ranges from approximately 6,000 lbs to over 9,000 lbs depending on configuration and axle ratings. 🛡️ Safety Features Ratings NHTSA Ratings 1990: Information likely not directly comparable to modern standards, but manual covers safety systems of the era. Active Features ABS: Anti-lock Braking System (ABS) may have been optional or standard on certain models/trims. Passive Features Seat Belts: Mandatory seat belt systems, including shoulder belts. Body Construction: Body-on-frame construction typical for trucks of this era, designed for durability. 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, possibly with cassette player. Optional...