Market Position:
Targeted at DIY enthusiasts and professional mechanics seeking authorized service information for the 1991 Dodge D350. Offers a convenient and modern alternative to outdated printed manuals.
Competitive Analysis:
Positions itself against traditional printed manuals by offering superior accessibility, searchability, and cost-effectiveness. Competes with other digital repair manual providers based on the accuracy of OE-derived data and breadth of coverage.
Key Features:
Officially licensed, OE-derived information, PC/laptop/smartphone/tablet compatibility, year-long access, instant online access, detailed diagrams and schematics, user-friendly interface.
Usability:
Designed for ease of use with intuitive navigation, powerful search functions, and clear, step-by-step instructions. Accessible on multiple devices with an internet connection.
Value Proposition:
Provides expert-level repair and maintenance guidance, enabling users to perform complex tasks, saving on labor costs, and ensuring proper vehicle upkeep.
Coverage Areas:
Full Service, Repair, Diagnostics, Maintenance, Electrical Schematics, Bodywork, Drivetrain
Page Count:
Digital (Accessed via web browser, equivalent to several thousand printed pages)
Manual Type:
Service and Repair Manual Software
Format:
Online Software/Web-Based Access
Systems Covered:
Engine (Gasoline and Diesel), Fuel System, Ignition System, Cooling System, Exhaust System, Clutch, Transmission (Manual & Automatic), Transfer Case, Driveshaft, Axles, Differential, Suspension (Front & Rear), Steering System, Brakes (Front & Rear Disc/Drum), ABS (if equipped), Electrical System (Charging, Starting, Lighting, Ignition, Instrumentation, Power Accessories), HVAC System, Body & Frame, Interior Components, Exterior Trim
Procedures Included:
Routine Maintenance, Scheduled Service, Troubleshooting Procedures, Diagnostic Flowcharts, Component Removal & Installation, Overhaul Procedures, Electrical System Diagnosis, Wiring Diagrams, Torque Specifications, Lubrication Specifications, Brake System Service, Suspension & Steering Alignment, Engine Tune-Up, Emissions Control System Service, Air Conditioning Service, Body Repair Procedures
Technical Depth:
Comprehensive: from basic fluid changes and filter replacements to complete engine and transmission overhauls, including detailed electrical system diagnostics and wiring schematics.
Wiring Diagrams:
Detailed color-coded wiring schematics for all major electrical systems, including engine controls, lighting, accessories, and instrument cluster.
Torque Specifications:
Precise torque values for all critical fasteners, including engine components, suspension, brakes, and chassis.
Troubleshooting Guides:
Systematic diagnostic flowcharts and symptom-based troubleshooting for common and complex problems.
Emissions Control:
Detailed information on the function and servicing of the emissions control system, including catalytic converter, O2 sensors, and EGR.
Body And Frame:
Procedures for body panel alignment, repair of minor collision damage, door, hood, and tailgate adjustments, and frame inspection.
Hv Ac System:
Component identification, refrigerant handling (R12 system), system evacuation and charging, component replacement (compressor, condenser, evaporator), blower motor service.
Diagnostic Tools:
Information on using basic hand tools and specialized diagnostic equipment appropriate for the era, including code readers if applicable to the OBD system of 1991.
Primary Engine:
5.2L (318) V8 Magnum (Gasoline)
Optional Engine 1:
5.9L (360) V8 Magnum (Gasoline)
Optional Engine 2:
5.9L (360) V8 Diesel (Cummins - likely not standard for D350 light-duty, but possible)
Fuel System:
Electronic Fuel Injection (EFI) with throttle body injection (TBI) or multi-port fuel injection (MPFI) depending on specific engine variant.
Ignition System:
Distributorless Ignition System (DIS) or Electronic Ignition with distributor
Horsepower 5.2L:
Approx. 170 hp @ 4000 rpm
Torque 5.2L:
Approx. 245 lb-ft @ 2000 rpm
Engine Code 5.9L Gas:
360
Standard Transmission:
4-Speed Manual Transmission
Optional Transmission 1:
3-Speed Automatic Transmission (e.g., A500)
Optional Transmission 2:
4-Speed Automatic Transmission (e.g., A518 with Overdrive)
Transfer Case:
New Process NP241 (for 4WD models)
Transmission Fluid Spec Auto
Transmission Fluid Spec Auto:
ATF+3 (Mopar)
Transmission Fluid Spec Manual
Transmission Fluid Spec Manual:
GL-5 Gear Oil (e.g., SAE 75W-90)
Service Intervals Oil Change
Service Intervals Oil Change:
Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for precise intervals).
Service Intervals Air Filter
Service Intervals Air Filter:
Inspect every oil change, replace as needed (typically every 15,000-30,000 miles or per manual recommendation).
Service Intervals Spark Plugs
Service Intervals Spark Plugs:
Approx. 30,000-60,000 miles, depending on plug type (refer to manual for specific recommendations).
Fluid Specifications Engine Oil
Fluid Specifications Engine Oil:
API SG or SH, SAE 10W-30 or 10W-40 (check manual for exact viscosity and capacity)
Fluid Specifications Coolant
Fluid Specifications Coolant:
Ethylene Glycol based coolant (Mopar OAT or HOAT type for this era, typically green).
Fluid Specifications Brake Fluid
Fluid Specifications Brake Fluid:
DOT 3
Known Issues:
Radiator leaks, Water pump failures, EGR valve issues, Alternator failures, Brake component wear (pads, rotors, drums), Suspension component wear (ball joints, tie rods), Rust on body panels (especially near wheel wells and cab corners), Fuel pump issues, Transmission seal leaks.
Tire Pressure:
Refer to vehicle's door jamb sticker or owner's manual. Typically around 35-45 PSI for front and rear tires depending on load.
Wheel Bolt Pattern:
5x5.5 inches (5x139.7 mm)
Brand Heritage:
Dodge, a division of Chrysler Corporation, has a long history of producing robust trucks and commercial vehicles, emphasizing utility and durability.
Model Evolution:
The D-Series trucks, including the D350, were part of Dodge's full-size pickup line. The 1991 model year falls within the fourth generation of the Dodge Ram trucks, which saw significant updates in styling and powertrain options, including the introduction of the Magnum V8 engines and improved chassis.
Production Location:
Warren Truck Assembly Plant, Warren, Michigan, USA
Trim Levels:
Base, SLT, potentially others. D350 designation typically indicates a heavy-duty variant.