Segment:
Full-size pickup truck.
Target Audience:
Commercial users, fleet owners, heavy-duty users, towing and hauling enthusiasts.
Competitors:
Ford F-Series, Chevrolet Silverado/GMC Sierra, Toyota Tundra.
Truck Features:
Renowned for its robust frame, powerful engine options (including the legendary Cummins diesel in some configurations), and substantial towing/hauling capabilities. Known for its distinctive styling and comfortable ride for a truck of its era.
Covered Years:
2001, 2002, 2003, 2004, 2006
Engine Coverage:
4.7L V8 Magnum, 5.9L V8 Magnum, 5.9L Cummins Turbo Diesel (may be included for specific models/trims)
Transmission Coverage:
42RE, 44RE, 45RFE, NV3500, NV4500, NV5600
Body Styles:
Standard Cab, Extended Cab (Club Cab), Crew Cab
Drivetrain Coverage:
2WD (RWD), 4WD (4x4)
Estimated Pages:
1500-2500+
Type:
Factory Service Manual (FSM) / Workshop Manual
Powertrain:
Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system, engine management (PCM/ECM), manual and automatic transmissions, transfer case, drive shafts, axles, differentials.
Chassis:
Suspension (front and rear), steering system, braking system (hydraulic, ABS), wheels and tires.
Electrical:
Battery, starting system, charging system, lighting, instrumentation, body electrical, power accessories (windows, locks, mirrors, seats), audio system, trailer towing electrical, basic wiring diagrams.
Body:
Body panels, doors, windows, interior trim, seats, bumpers, exterior trim, HVAC system (heating, ventilation, air conditioning), emissions system.
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and changes, lubrication, tune-ups.
Diagnostics:
Troubleshooting charts, diagnostic trouble codes (DTCs), symptom analysis, component testing procedures.
Repair:
Component removal and installation, overhaul procedures, detailed step-by-step repair instructions for all major systems.
Specifications:
Torque specifications for fasteners, diagnostic values, clearances, fluid capacities, electrical specifications.
Depth:
Comprehensive, from basic fluid changes to complete engine and transmission rebuilds, including electrical system diagnostics and component-level repair.
Standard Transmission:
Varies by engine and trim. Common automatics: 42RE, 44RE, 45RFE. Common manuals: NV3500 (5-speed), NV4500 (5-speed Heavy Duty).
Optional Transmission:
NV5600 (6-speed manual) for Cummins Diesel, some earlier automatic variants.
Automatic Features:
Electronically controlled, lock-up torque converter.
Manual Features:
Robust designs for towing and heavy use, including overdrive gears.
Automatic Transmission Fluid:
ATF+4 (Mopar Material Standard MS-9602), Dexron III/Mercon compatible.
Manual Transmission Fluid:
API GL-5 gear oil, SAE 75W-90 or SAE 80W-90 depending on temperature and specific transmission.
Wheelbase:
Varies by configuration (e.g., 117.7" for standard cab short bed, 134.7" for extended cab short bed, 138.7" for standard cab long bed).
Overall Length:
Varies by configuration.
Overall Width:
Approx. 79.6 inches.
Overall Height:
Approx. 75.0 - 77.0 inches.
Curb Weight:
Approx. 4,500 - 6,000 lbs (depending on configuration and engine).
Gross Vehicle Weight Rating Gvw:
Up to 8,800 lbs (for Heavy Duty models).
Bed Lengths:
Short Bed (approx. 6.3 ft), Long Bed (approx. 8.0 ft).
NHTSA Front Impact Rating:
Likely 4-star or 5-star for driver/passenger (manufacturer data varies).
IIHS Ratings:
Varies by model year and specific test; generally considered robust for its class.
ABS:
Standard Anti-lock Braking System (ABS) on most models, typically 4-wheel.
Traction Control:
Optional or standard on higher trims/later years.
Airbags:
Driver and passenger front airbags. Side airbags were optional or not available on many configurations during these years.
Seatbelts:
Three-point front and rear seatbelts.
Audio System:
Factory AM/FM/CD or Cassette player. Optional Infinity premium sound system. Aftermarket upgrades common.
Display Options:
Basic digital odometer and trip computer. No advanced infotainment systems typical of modern vehicles.
Cruise Control:
Standard on most trims.
Parking Assist:
Not typically available.
Trailer Tow Prep:
Optional trailer wiring harness and hitch provisions.
Onboard Diagnostics:
OBD-II compliant for emissions and engine diagnostics.
Oil Change Interval:
Typically every 3,000-7,500 miles or 6-12 months, depending on oil type and driving conditions (consult manual for specifics).
Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on inspection.
Spark Plug Replacement:
Approx. 30,000-100,000 miles for conventional vs. platinum/iridium plugs, depending on engine.
Engine Oil Specification:
API certified SAE 5W-30 or 5W-40 (for diesel), consult manual for specific viscosity and API rating for each engine.
Coolant Specification:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (Chrysler Material Standard MS-9769) or equivalent HOAT (Hybrid Organic Additive Technology).
Brake Fluid Specification:
DOT 3 or DOT 4.
Common Issues:
Radiator leaks, heater core issues, plenum gasket failures (on Magnum V8s), distributor cap/rotor wear, power steering pump leaks, rear main seal leaks, automatic transmission solenoid failures, rust on rocker panels and cab corners, exhaust manifold cracks (on Magnum V8s).
Diesel Specific Issues:
VP44 injection pump failures, lift pump issues, injector line leaks, connecting rod bearing failures (under heavy load/abuse).
Dodge Truck History:
Dodge has a long history of producing capable and rugged pickup trucks, with the Ram nameplate originating in 1981.
Second Gen Ram:
The second generation Ram (1994-2001) underwent a significant redesign for 1994, introducing the iconic 'Ram Tough' styling. Minor updates and revisions occurred throughout its lifespan, leading into the 2002 model year which marked the beginning of the third generation. The years covered by this manual represent the latter part of this highly successful generation and the very early part of the subsequent one, requiring careful identification of specific model year changes.
Manufacturing Locations:
Primarily Warren Truck Assembly Plant in Warren, Michigan.
Truck Of The Year:
The Dodge Ram has received various 'Truck of the Year' awards from automotive publications over its production history, including during the lifespan of the second generation.
Towing Capacity:
Highly capable, with ratings varying significantly by configuration (GVWR, axle ratio, engine) up to 10,000+ lbs for properly equipped models.
Emissions Standards:
Designed to meet EPA emissions standards for the respective model years.
