Segment:
Full-size pickup truck
Key Competitors:
Ford F-Series, Chevrolet C/K Series, GMC Sierra
Strengths:
Robust build, powerful engine options, spacious cabin, strong towing and payload capacity
Design:
Bold styling, signature Dodge grille, aerodynamic improvements over previous generation
Powertrain:
Wide range of V6 and V8 gasoline engines, and a diesel option
Chassis:
Body-on-frame construction for durability and towing capability
Engine:
All gasoline and diesel engines (detailed diagnostics, overhaul, tuning)
Transmission:
Manual and Automatic transmissions (repair, overhaul, clutch, torque converter)
Drivetrain:
4x2 and 4x4 systems, axles, driveshafts, differentials (service, repair)
Suspension:
Front and Rear suspension (independent front suspension, leaf springs), steering system (power steering, steering gear)
Brakes:
Front and Rear disc/drum brakes, ABS system (troubleshooting, component replacement, bleeding)
Electrical:
Complete wiring diagrams, lighting, ignition, charging system, starting system, accessory circuits, diagnostic procedures
Fuel:
Fuel injection systems (MPI), fuel pumps, injectors, fuel tank, lines (diagnostics, replacement)
Cooling:
Radiator, water pump, thermostat, cooling fan, heater core (testing, replacement)
Exhaust:
Exhaust manifolds, catalytic converter, mufflers, pipes (inspection, replacement)
Body:
Body panels, doors, windows, interior trim, seats, bumpers (adjustment, repair, replacement)
HVAC:
Air conditioning system, heating system, ventilation (diagnostics, refrigerant handling, component repair)
Maintenance:
Routine maintenance schedules, oil changes, filter replacements, fluid checks and changes, lubrication
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, symptom-based troubleshooting
Repair:
Detailed step-by-step repair procedures for all major components and systems
Overhaul:
Complete engine and transmission overhaul instructions with specifications
Adjustment:
Alignment specifications, clutch adjustment, brake adjustment, parking brake adjustment
Installation:
Component installation and removal procedures
Wiring Repair:
Detailed electrical system repair and connector terminal replacement guidance
Depth:
Comprehensive (from basic maintenance to complete engine/transmission rebuilds and advanced diagnostics)
Detail Level:
Highly detailed, professional-level information suitable for mechanics and serious DIYers
Engine Code Examples:
3.9L V6 (3B), 5.2L V8 (5.2), 5.9L V8 (5.9), 5.9L Turbo Diesel (ISB)
3.9L V6 Horsepower:
Approx. 125 hp @ 4000 rpm
3.9L V6 Torque:
Approx. 210 lb-ft @ 2000 rpm
5.2L V8 Horsepower:
Approx. 170-185 hp @ 4000 rpm
5.2L V8 Torque:
Approx. 260-280 lb-ft @ 2400 rpm
5.9L V8 Horsepower:
Approx. 230-245 hp @ 4000 rpm
5.9L V8 Torque:
Approx. 330-350 lb-ft @ 2000 rpm
5.9L Turbo Diesel Horsepower:
Approx. 160-180 hp @ 2500 rpm
5.9L Turbo Diesel Torque:
Approx. 360-380 lb-ft @ 1600 rpm
Type:
Multi-Port Fuel Injection (MPI) for gasoline engines; Direct Injection for Diesel
Fuel Type:
Unleaded Gasoline (Octane 87 minimum), Diesel Fuel
Type:
5-Speed Manual (Getrag G360)
Type:
3-Speed Automatic (A500/A518), 4-Speed Automatic (46RH/47RH for Diesel/V8)
Overdrive:
Available on 4-speed automatic transmissions
Automatic Transmission Fluid:
ATF+3 or Dexron-III (check manual for specific model)
Manual Transmission Fluid:
GL-5 Gear Oil (e.g., SAE 75W-90)
Body Styles:
Regular Cab, Club Cab (Extended Cab)
Bed Lengths:
6.5 ft (Standard Bed), 8 ft (Long Bed)
Wheelbase:
112" (Regular Cab, Short Bed), 125" (Regular Cab, Long Bed), 145" (Club Cab, Long Bed)
Curb Weight:
Varies significantly by configuration, typically 4,000 - 5,500 lbs
Gross Vehicle Weight Rating Gvw:
Varies by configuration, typically 6,000 - 8,500 lbs (depending on trim and chassis)
Oil Change Gasoline:
Every 3,000 miles or 3 months (severe service), 5,000-7,500 miles or 6 months (normal service with synthetic oil)
Oil Change Diesel:
Every 5,000 miles or 6 months (severe service), 7,500-10,000 miles or 12 months (normal service)
Transmission Fluid Change:
Every 30,000 - 60,000 miles depending on usage and transmission type
Coolant Flush:
Every 30,000 miles or 24 months
Engine Oil Gasoline:
API SG or SH, SAE 5W-30 or 10W-30 (refer to manual for specific viscosity based on temperature)
Engine Oil Diesel:
API CD or CE or CF-4, SAE 15W-40
Coolant:
Ethylene Glycol (50/50 mix with distilled water)
Common Problems:
Premature ball joint wear (especially front suspension), potential for head gasket leaks on some V8s, rust on body panels and frame, transmission cooler line leaks, intermittent electrical issues (wiring harness chafing).
Diesel Specific Issues:
Injector pump issues, turbocharger wear, injector nozzle clogs, exhaust manifold cracking on early 6BT Cummins (though not standard in these specific years, it's a common association).
Dodge Trucks:
Dodge has a long history of producing robust and capable trucks, dating back to the 1930s.
Ram Introduction:
The Ram nameplate was introduced in 1981. The 1989-1993 models represent the first generation of the 'new' Ram design, with significant updates leading into the second generation.
Second Generation Launch:
The second generation Ram (BR/BE platform) was introduced for the 1994 model year, so these 1989-1991 models are often considered part of the first generation's evolution or transitional models.
Manufacturing Locations:
St. Louis Assembly, Missouri, USA