Market Position:
Essential resource for owners and independent repair shops seeking factory-level repair information for the 1991 Dodge D150, replacing outdated printed manuals.
Competitive Analysis:
Offers a more accessible, affordable, and up-to-date alternative to scarce and often expensive original factory service manuals or third-party printed equivalents.
Key Features:
Officially licensed, OE-derived information, user-friendly digital interface, cross-platform compatibility (PC, tablet, smartphone), annual access with renewal options.
Primary Coverage:
Repair and Service
Additional Coverage:
Maintenance, Troubleshooting, Diagnostics, Wiring Diagrams
Estimated Pages:
Extensive (digital format, no fixed page count)
Manual Type:
Service and Repair Manual Software
Format:
Digital Software (Online Access)
Engine:
5.2L V8, 5.9L V8, 3.9L V6 (incl. Mopar MPI)
Transmission:
A500/A518 (4-speed Automatic), NV3500 (5-speed Manual)
Drivetrain:
Rear Wheel Drive (RWD), Four Wheel Drive (4WD) - Transfer Case, Axles, Driveshafts
Brakes:
Front Disc, Rear Drum (ABS optional on some models)
Suspension:
Front Independent (Coil Springs), Rear Solid Axle (Leaf Springs)
Steering:
Power Steering System
Electrical:
Wiring Diagrams, Charging System, Starting System, Ignition System, Lighting, Gauges, Accessories
Climate Control:
Heating, Ventilation, Air Conditioning (HVAC)
Body:
Interior, Exterior Trim, Doors, Windows, Seats, Bumpers
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks and Changes, Spark Plug Replacement, Belt Replacement
Repair:
Engine Overhaul, Transmission Rebuild, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Repair
Troubleshooting:
Diagnostic Flowcharts for Common Issues, Fault Code Interpretation (if applicable)
Diagnostics:
Component Testing, Circuit Analysis
Depth:
Comprehensive, from basic maintenance to in-depth component overhaul and system diagnostics.
Engine Option 1:
5.2L (318 cu in) V8 Magnum (Fuel Injection)
Engine Option 2:
5.9L (360 cu in) V8 Magnum (Fuel Injection)
Engine Option 3:
3.9L (239 cu in) V6 Magnum (Fuel Injection)
Hp 5 2L V8:
Approx. 170-180 hp
Torque 5 2L V8:
Approx. 260-270 lb-ft
Hp 5 9L V8:
Approx. 190-200 hp
Torque 5 9L V8:
Approx. 300-315 lb-ft
Fuel Delivery:
Electronic Fuel Injection (EFI) - Mopar Multi-Point Injection (MPI)
Oil Type V8:
API SG SAE 10W-30 or 10W-40 (check owner's manual for specific ambient temperature ranges)
Coolant Type:
Ethylene Glycol Based Antifreeze (50/50 mix with distilled water)
Standard Transmission:
A500/A518 4-Speed Automatic Overdrive
Optional Transmission:
New Venture Gear NV3500 5-Speed Manual (typically on V6 models)
Automatic Features:
Electronic controls, Lock-up Torque Converter
Automatic Transmission Fluid:
Chrysler ATF+3 (or equivalent DEXRON III/MERCON rated fluid for A500/A518)
Manual Transmission Fluid:
GL-3 or GL-4 SAE 75W-90 Gear Oil (for NV3500)
Infotainment System:
Basic AM/FM Radio, Cassette Player (optional CD player in later production runs of this generation).
Driver Assistance Features:
Limited; primarily ABS on rear wheels as an option.
Connectivity Features:
None in the modern sense; basic electrical system.
Oil Change Interval:
Every 3,000 to 5,000 miles or 6 months, whichever comes first (depending on driving conditions and oil used).
Transmission Fluid Change Interval:
Every 30,000 to 60,000 miles for automatic transmissions, consult manual for manual transmissions.
Spark Plug Replacement Interval:
Approx. 30,000 miles for standard plugs, potentially longer for platinum or iridium plugs if equipped.
Power Steering Fluid:
Dexron II/III (or equivalent)
Brake Fluid:
DOT 3 Hydraulic Brake Fluid
Engine Oil Capacity V8:
Approx. 5 quarts (with filter)
Engine Cooling:
Radiator leaks, water pump failures, thermostat issues are common as vehicles age.
Suspension:
Worn ball joints, tie rod ends, and leaf spring bushings can lead to poor handling and tire wear.
Electrical:
Corrosion in wiring harnesses, failure of headlight switches, and alternator issues can occur.
Transmission:
A500/A518 transmissions can experience issues with the governor pressure solenoid or the lock-up clutch.
Brand Heritage:
Dodge has a long history of producing robust and capable trucks, dating back to the 1930s. The D-Series line has been a cornerstone of their commercial and personal vehicle offerings.
Model Evolution 1991:
The 1991 model year falls within the second generation of the Dodge D-Series (often referred to as the 'Ram' trucks), which ran from 1972 to 1993. This generation saw continuous updates, with the 1991 model featuring modern EFI engines and improved interiors compared to earlier iterations.
Production Period:
1991 model year
