Positioning:
The 2004 Dodge Ram, part of the third generation (2002-2008), was a highly competitive full-size pickup truck known for its bold styling and robust capabilities. This manual positions itself as an essential resource for owners and independent repair shops seeking to maintain and repair these vehicles effectively.
Competitors:
Primary competitors included the Ford F-150, Chevrolet Silverado 1500, and GMC Sierra 1500. The 2004 Ram distinguished itself with its distinctive 'big rig' styling and a strong emphasis on V8 engine performance, particularly the introduction of the 5.7L HEMI.
Distinguishing Features:
The 2004 model year saw the continued integration of the 5.7L HEMI V8, offering significant power gains. The Ram also featured a redesigned interior and improved ride quality compared to previous generations, solidifying its appeal as both a workhorse and a personal vehicle.
Coverage:
All service and repair procedures for the 2004 Dodge Ram.
Pages:
Extensive (typically 2000+ pages for a comprehensive service manual of this era)
Type:
Service and Repair Manual
Format:
Downloadable Digital Format (Likely PDF)
Powertrain:
Engine (HEMI, Magnum V8s, Slant Six), transmission (automatic & manual), transfer case, differentials, driveshafts, exhaust system.
Chassis:
Suspension (front & rear), steering, braking system (front & rear discs, ABS), wheels & tires, frame.
Electrical:
12-volt battery system, charging system (alternator), starting system, ignition system, lighting, instrumentation, body control module (BCM), power accessories, entertainment system, wiring diagrams.
Body:
Exterior body panels, interior trim, doors, windows, seats, HVAC system, climate control, safety restraints (airbags).
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups, brake service, tire rotation.
Repair:
Engine diagnostics and repair, transmission overhaul, suspension component replacement, brake caliper and rotor replacement, electrical component troubleshooting and repair, body panel repair, HVAC system servicing.
Troubleshooting:
Diagnostic trouble codes (DTCs), common drivability issues, electrical system faults, mechanical component failures.
Diagnostics:
Use of diagnostic scan tools (OBD-II), symptom-based troubleshooting charts, wiring diagrams for electrical system diagnosis.
Depth:
Comprehensive, covering everything from basic fluid checks to complete engine and transmission overhauls. Includes detailed disassembly and reassembly instructions, torque specifications, diagnostic procedures, and wiring schematics.
Engine Options:
4.7L Magnum V8, 5.7L HEMI V8, 3.7L Magnum V6 (less common in this generation's sales focus).
5.7L Hemi Horsepower:
345 hp @ 5200 rpm
5.7L Hemi Torque:
375 lb-ft @ 4000 rpm
4.7L Magnum Horsepower:
235 hp @ 4500 rpm
4.7L Magnum Torque:
295 lb-ft @ 3200 rpm
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
ECU:
Chrysler's NGC (Next Generation Controller) or similar PCM system.
Coolant Type:
HOAT (Hybrid Organic Acid Technology) coolant, typically Mopar OAT (Orange)
Spark Plugs:
Typically Champion copper core or platinum tip spark plugs (refer to manual for specific part numbers based on engine).
Transmission Type:
4-speed automatic (45RFE/48RE) for V8 engines, 5-speed manual (NV3500) for V6/some V8 configurations.
Optional Transmission:
Heavy-duty 4-speed automatic (48RE) available on higher-torque applications.
Transmission Fluid:
ATF+4 (Automatic Transmission Fluid)
Manual Transmission Fluid
Manual Fluid Type:
GL-3 or GL-4 gear oil (refer to manual for specific viscosity).
Transfer Case Types:
NV235 (Part-time 2-speed), NV244 (Full-time 2-speed with electric shift).
Wheelbase Options:
131.3 inches (Standard Cab), 140.5 inches (Club Cab/Quad Cab), 160.5 inches (Mega Cab).
Overall Length:
Varies by cab and bed configuration (e.g., approx. 227.7 inches for a 6.3ft bed Quad Cab).
Curb Weight:
Ranges from approx. 4,500 lbs to 5,500+ lbs depending on configuration.
Gross Vehicle Weight Rating:
Ranges from approx. 6,000 lbs to 8,500+ lbs depending on chassis and configuration (1500, 2500, 3500 series).
Bed Lengths:
6.3 ft (short bed), 8.0 ft (long bed).
NHTSA Frontal Impact Driver:
Good (for 2002-2005 models generally)
NHTSA Frontal Impact Passenger:
Good (for 2002-2005 models generally)
IIHS Side Impact:
Acceptable (for models equipped with side airbags)
ABS:
Standard Anti-lock Braking System (ABS) on all wheels.
Traction Control:
Available Traction Control System (TCS) on some models.
Airbags:
Standard front driver and passenger airbags. Available front side-impact airbags.
Seatbelts:
Three-point seatbelts with pretensioners.
Audio Options:
AM/FM stereo with CD player, optional cassette player, premium Infinity sound system.
Navigation:
Optional factory navigation system available on higher trims.
Cruise Control:
Standard cruise control.
Parking Assist:
Optional rear parking assist sensors.
Phone Integration:
Optional Uconnect hands-free communication system (late availability for 2004 models, more common in later years).
Oil Change Interval:
Every 3,000 to 7,500 miles, depending on engine, oil type (conventional vs. synthetic), and driving conditions. Refer to the manual for specific recommendations.
Tire Rotation Interval:
Every 7,500 miles.
Coolant Flush Interval:
Every 30,000 to 100,000 miles, depending on coolant type and manufacturer recommendation (refer to manual).
Engine Oil Viscosity:
5W-20 or 5W-30 for most engines (refer to manual for precise specs and temperature ranges).
Engine Oil Capacity:
Approximately 6-7 quarts for V8 engines (refer to manual for exact capacity).
Power Steering Fluid:
ATF+4 or specific Mopar power steering fluid.
Common Problems Engine:
Spark plug blowout (especially early 5.7L HEMI), intake manifold gasket leaks, camshaft/lifter noise, coolant leaks (water pump, thermostat housing).
Common Problems Transmission:
Torque converter shudder (especially 45RFE/48RE), transmission fluid leaks, shift solenoid issues.
Common Problems Suspension Steering:
Ball joint wear, tie rod end wear, steering gear play, front suspension clunks.
Common Problems Electrical:
Instrument cluster failures, TIPM (Total Integrated Power Module) issues, HVAC blower motor resistor failure.
Dodge Truck History:
Dodge has a long-standing reputation in the truck market, tracing its roots back to the early days of automotive manufacturing. The Ram nameplate, introduced in 1981, quickly became a significant player in the full-size pickup segment.
Third Generation:
The 2004 model is part of the third generation (2002-2008) of the Dodge Ram. This generation marked a significant departure with its completely new platform, bold 'Big Rig' styling, and the introduction of the 5.7L HEMI engine, which became a defining feature.
Manufacturing Locations:
Primarily manufactured at the Warren Truck Assembly Plant in Warren, Michigan.
Consumer Reports Rating:
Varies by year and specific configuration, often rated as average to above average for reliability in this generation.
Jdpowers Initial Quality:
Typically ranked in the middle to upper tier of its segment for initial quality.
Motor Trend Truck Of The Year:
The Dodge Ram has historically been a contender and winner for MotorTrend's Truck of the Year awards in previous generations, though not specifically for the 2004 model year directly.