Market Position:
The 2002 Dodge RAM 1500 represented a significant redesign for Chrysler's full-size pickup truck lineup, introducing the third generation. It aimed to compete directly with rivals like the Ford F-150 and Chevrolet Silverado, emphasizing a robust design, powerful engine options, and enhanced interior comfort.
Competitive Analysis:
The third-generation RAM 1500 offered a distinctive exterior styling, a choice of potent V8 engines (including the new 5.7L HEMI for later models, though the 2002 primarily featured the 4.7L and 5.9L Magnum), and a coil-spring rear suspension on some configurations (though the 2002 retained leaf springs). Its main competitors, the F-150 and Silverado, also offered powerful V8s and various body styles.
Key Features:
Revised exterior styling with a bolder grille and quad headlights, improved interior ergonomics and materials, stronger frame construction, introduction of the 4.7L Magnum V8 as a primary engine option, available Quad Cab configuration for increased rear-seat space.
Body Styles:
Regular Cab, Extended Cab (Quad Cab)
Trim Levels:
ST, SLT, Laramie (common trims for 2002)
Coverage Areas:
All major mechanical and electrical systems, including engine, transmission, drivetrain, suspension, steering, brakes, HVAC, body, and electrical diagnostics.
Page Count:
N/A (Software, typically comprehensive; actual print equivalent would be extensive)
Manual Type:
Service and Repair Manual Software
Format:
Digital Software (likely executable or PDF)
Systems Covered:
Engine (HEMI, Magnum V8, V6), Powertrain Control Module (PCM), Automatic and Manual Transmissions (42RE, 45RFE, NV3500, NV4500), Transfer Case, Front and Rear Axles, Suspension (Front Independent, Rear Solid Axle), Steering System, Power Steering, Hydraulic Power Brake System, Anti-lock Brake System (ABS), Air Conditioning (HVAC), Fuel System, Ignition System, Exhaust System, Cooling System, Starting System, Charging System, Lighting System, Instrument Cluster, Body Control Module (BCM), Power Windows, Power Locks, Power Mirrors, Wiper/Washer System, SRS (Supplemental Restraint System), Audio System, Anti-theft System.
Body And Trim:
Procedures for interior and exterior trim removal and installation, door panel removal, bumper replacement, headlight/taillight assembly replacement, panel alignment.
Procedures Included:
Routine maintenance (oil changes, filter replacements, fluid checks), component diagnosis and troubleshooting, detailed repair procedures for all major systems, torque specifications for critical fasteners, electrical circuit diagrams and diagnostics, wiring schematics, diagnostic trouble code (DTC) interpretation and resolution, replacement procedures for engine, transmission, suspension, brakes, steering, fuel system components, cooling system components, and body panels, airbag system service precautions and procedures.
Fuel System Repair:
Detailed procedures for fuel pump removal/installation, fuel filter replacement (in-tank), fuel injector testing and replacement, fuel pressure testing.
Suspension Component Replacement:
Procedures for replacement of ball joints, tie rod ends, control arms, springs, shock absorbers, sway bar links, and rear leaf springs.
Electrical Diagnostics:
Comprehensive wiring diagrams for all electrical systems, pinpoint tests for diagnosing specific circuit faults, component location charts.
Technical Depth:
Comprehensive, covering everything from basic adjustments and inspections to complete engine and transmission overhauls. Includes detailed diagnostic flowcharts, component testing procedures, and specifications required for professional-level repairs.
Diagnostic Tools:
Manual provides procedures for using OBD-II scanners for diagnostic trouble codes (DTCs) and live data interpretation. Specific diagnostic tools are not included but described.
Engine Options:
4.7L Magnum V8 (SOHC, 16V, MPI), 5.9L Magnum V8 (OHV, 16V, MPI)
4.7L V8 Horsepower:
235 hp @ 4,500 rpm
4.7L V8 Torque:
295 lb-ft @ 3,200 rpm
5.9L V8 Horsepower:
245 hp @ 4,000 rpm
5.9L V8 Torque:
335 lb-ft @ 3,200 rpm
Fuel System:
Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
4.7L Displacement:
4.7 Liters (287 cu in)
5.9L Displacement:
5.9 Liters (360 cu in)
Cooling System Type:
Pressurized liquid cooling system with a belt-driven water pump and engine-driven fan or electric fan.
Engine Block Material:
Cast Iron
Cylinder Head Material:
Aluminum
Standard Transmission:
4-speed Automatic (42RE/45RFE)
Optional Transmission:
5-speed Manual (NV3500/NV4500 - availability varied by trim and engine)
Transmission Features:
Electronically controlled automatic transmissions, Overdrive gear for improved fuel economy, Tow/Haul mode on some automatic transmissions.
Transmission Cooler:
Integrated transmission fluid cooler within the radiator assembly, with an optional auxiliary cooler for heavy-duty towing applications.
Drivetrain Options:
2WD (Rear Wheel Drive), 4WD (Four Wheel Drive)
Wheelbase:
139.0 inches (3,531 mm) for Regular Cab, 138.7 inches (3,523 mm) for Quad Cab
Length:
Approximately 229.4 inches (5,827 mm) for 8-foot bed configurations
Width:
Approximately 79.3 inches (2,014 mm)
Bed Lengths:
6.3 ft (Standard Bed), 8.0 ft (Long Bed)
Curb Weight:
Approximately 4,600 - 5,200 lbs (2,087 - 2,359 kg), depending on configuration
Gross Vehicle Weight Rating:
Varies by configuration, typically between 6,050 lbs (2,744 kg) and 7,200 lbs (3,266 kg).
Towing Capacity:
Up to 8,750 lbs (3,970 kg) for properly equipped configurations (Quad Cab 4x4 with 5.9L V8 and towing package).
Payload Capacity:
Up to approximately 1,700 lbs (771 kg), depending on configuration.
Wheelbase 4X2:
139.0 inches (3,531 mm)
Wheelbase 4X4:
138.7 inches (3,523 mm)
Standard Wheel Size:
16 inches
Wheel Bolt Pattern:
5 x 139.7 mm (5 x 5.5 inches)
NHTSA Front Impact Driver:
4 Stars (2002)
NHTSA Front Impact Passenger:
4 Stars (2002)
Active Features:
Four-wheel Anti-lock Braking System (ABS)
Passive Features:
Dual front airbags, Height-adjustable seat belts, Crumple zones.
Front Brakes:
Vented Disc
Rear Brakes:
Disc (standard on 1500 models in 2002)
Infotainment System:
Base models featured a standard AM/FM/CD player. Optional upgrades included cassette players, premium audio systems with subwoofer, and in-dash CD changers. Satellite radio was not a factory option in 2002.
Driver Assistance Features:
Limited to factory-installed ABS. Features like stability control, traction control (beyond ABS function), or advanced cruise control were not common or available.
Connectivity Features:
No factory Bluetooth or USB ports. Auxiliary input for audio devices might be available on higher trims or aftermarket installations.
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first, under normal driving conditions. Severe driving may require more frequent changes.
Tire Rotation Interval:
Every 7,500 miles (12,000 km)
Transmission Fluid Change:
Inspect every 30,000 miles (48,000 km); recommended change interval typically around 60,000-100,000 miles (96,000-160,000 km) depending on usage. Refer to manual for specific conditions.
Engine Oil Specification:
API Certified SAE 5W-30 for 4.7L V8; SAE 10W-30 or 5W-30 for 5.9L V8 (check owner's manual for exact recommendation based on temperature).
Coolant Specification:
Chrysler HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, blue color. Mopar part number 05103536AA or equivalent.
Transmission Fluid Automatic:
ATF+4 (Automatic Transmission Fluid Type 9602). Mopar part number 05013457AA or equivalent.
Power Steering Fluid:
ATF+4 or Mopar power steering fluid. Mopar part number 05140059AA or equivalent.
Known Issues:
Spark plug erosion on 4.7L V8 (requiring special removal tools), occasional transmission fluid cooler line leaks, exhaust manifold cracks on Magnum V8s, potential for rear axle seal leaks, intermittent ABS sensor issues.
Oil Filter 4.7L:
Mopar: 05080870AA; aftermarket equivalents available.
Oil Filter 5.9L:
Mopar: MO-090; aftermarket equivalents available.
Air Filter Part Number:
Mopar: 53032131AA; aftermarket equivalents available.
Engine Oil Capacity 4.7L:
5.5 US quarts (5.2 L) with filter change
Engine Oil Capacity 5.9L:
5.0 US quarts (4.7 L) with filter change
Coolant Capacity:
Approximately 13.0 US quarts (12.3 L)
Transmission Fluid Capacity 45Rfe:
Approximately 12.2 US quarts (11.5 L) for total fill, 6.0 US quarts (5.7 L) for pan drop and refill.
Brake Fluid Specification:
DOT 3
Brand Heritage:
Dodge has a long-standing heritage in the pickup truck market, dating back to the Dodge Power Wagon in the 1940s. The 'RAM' nameplate was introduced in 1981 and quickly became synonymous with robust, no-nonsense trucks.
Model Evolution:
The 2002 model marked the beginning of the third generation (2002-2008), characterized by its redesigned chassis and styling. This generation saw the introduction of the HEMI engine in later model years, further solidifying its reputation for power.
Chassis Design:
The third generation moved to a hydroformed C-channel frame for increased rigidity and improved ride quality.
Production Location:
Saltillo Truck Assembly, Coahuila, Mexico; Warren Truck Assembly, Michigan, USA.