🏷️ Basic Information

Make:

Dodge

Model:

Ram

Year:

2002

Platform Code:

DR (Third Generation Ram)

👋 Introduction

Market Segment:

Full-size pickup truck, heavy-duty capability, work and personal use.

Key Competitors:

Ford F-Series, Chevrolet Silverado/GMC Sierra, Toyota Tundra.

Vehicle Strengths:

Robust build, powerful engine options, towing capacity, traditional truck styling, extensive customization options.

User Benefit:

Empowers owners and independent mechanics to perform high-quality repairs and maintenance, saving time and money while ensuring vehicle longevity and reliability.

📋 Manual Details

Covered Models:

All Dodge Ram 1500, 2500, 3500 models for 2002

Estimated Page Count:

1000+

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Downloadable Digital Format (PDF)

📖 Manual Coverage

Engine Systems:

Engine mechanical (cylinder head, block, crankshaft, pistons, connecting rods), cooling system, lubrication system, fuel system (injection, pump, lines, filter), ignition system, exhaust system, emissions control, engine diagnostics and performance.

Transmission Systems:

Manual transmission (NV3500, NV4500, G56), Automatic transmission (47RE, 48RE), transfer case (NV241DHD, NV271D/NV273D), clutch system, torque converter, transmission control module (TCM).

Drivetrain Systems:

Front axle, rear axle, drive shafts, universal joints, CV joints, limited-slip differentials, locking differentials (if equipped).

Suspension Systems:

Front suspension (solid axle with leaf springs, independent front suspension on some 4x4 models), rear suspension (leaf springs), steering system (power steering pump, gearbox, linkages), shock absorbers, springs, sway bars.

Brake Systems:

Front disc brakes, rear drum brakes (or disc brakes on heavy-duty models), parking brake system, anti-lock braking system (ABS) components and diagnostics, brake fluid, lines, calipers, rotors, drums, shoes.

Electrical Systems:

Battery, starting system, charging system (alternator), lighting systems (headlights, taillights, interior lights), fuses, relays, wiring diagrams, power distribution, instrument cluster, onboard diagnostics (OBD-II).

Body And Interior Systems:

Body panels, doors, hood, tailgate, bumpers, glass, interior trim, seats, HVAC system (heater, air conditioning), power accessories (windows, locks, mirrors), instrumentation, airbags.

Chassis Systems:

Frame construction, body mounting, exhaust system routing, fuel tank and lines.

Maintenance Procedures:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement, belt replacement, brake pad replacement, coolant flush.

Repair Procedures:

Engine overhaul, transmission rebuild, suspension component replacement, brake caliper replacement, alternator replacement, starter motor replacement, fuel pump replacement, minor body panel repair.

Troubleshooting Guides:

Diagnostic trouble codes (DTCs) interpretation, symptom-based troubleshooting for common drivability issues, electrical system faults, and mechanical failures.

Diagnostics:

OBD-II system diagnostics, sensor testing, actuator testing, wiring harness continuity checks, pressure testing (fuel, cooling, oil).

Specifications And Tolerances:

Torque specifications for all fasteners, engine component clearances, alignment specifications, fluid capacities, electrical resistance values.

Wiring Diagrams:

Comprehensive electrical schematics for all vehicle systems, including power, ground, signal paths, and component locations.

Depth:

Comprehensive, from basic maintenance to complete engine and transmission overhaul, including detailed diagnostic procedures and troubleshooting trees.

📊 Manual Specifications

Digital Format:

PDF (Portable Document Format)

Quality:

High-resolution, clear text and diagrams, suitable for printing individual pages or sections.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine 1 Description:

4.7L Magnum V8 (16-Valve, SOHC)

Engine 1 Displacement:

4.7 Liters (287 cu. in.)

Engine 1 Horsepower:

235 hp @ 4800 RPM

Engine 1 Torque:

295 lb-ft @ 3200 RPM

Engine 1 Fuel System:

Electronic Multi-Port Fuel Injection (MPI)

Engine 1 Block Material:

Cast Iron

Engine 1 Head Material:

Aluminum

Engine 2 Description:

5.9L Magnum V8 (16-Valve, OHV)

Engine 2 Displacement:

5.9 Liters (360 cu. in.)

Engine 2 Horsepower:

245 hp @ 4400 RPM

Engine 2 Torque:

345 lb-ft @ 3200 RPM

Engine 2 Fuel System:

Electronic Multi-Port Fuel Injection (MPI)

Engine 2 Block Material:

Cast Iron

Engine 2 Head Material:

Cast Iron

Engine 3 Description:

5.9L Cummins Turbo Diesel I6 (24-Valve, OHV)

Engine 3 Displacement:

5.9 Liters (359 cu. in.)

Engine 3 Horsepower:

235 hp @ 2700 RPM

Engine 3 Torque:

460 lb-ft @ 1400 RPM

Engine 3 Fuel System:

Inline Injection Pump (Bosch VP44)

Engine 3 Block Material:

Cast Iron

Engine 3 Head Material:

Cast Iron

🔧 Transmission

Transmission Type Standard:

5-Speed Manual (NV3500 on lighter duty models)

Transmission Type Optional 1:

4-Speed Automatic (47RE / 48RE)

Transmission Type Optional 2:

6-Speed Manual (NV4500 / G56 on heavy duty models)

Transfer Case Options:

Part-time 2-speed (NV241DHD) or full-time 4WD systems

📐 Dimensions

Wheelbase Options:

134.5 in. (regular cab 6.3 ft bed), 140.5 in. (quad cab 6.3 ft bed), 154.5 in. (regular cab 8 ft bed), 164.5 in. (quad cab 8 ft bed)

Overall Length Range:

229.7 in. to 260.7 in.

Overall Width:

79.1 in.

Overall Height Range:

74.7 in. to 78.6 in.

Bed Length Options:

6.3 ft (75.2 cu ft) or 8 ft (87.4 cu ft)

Curb Weight Range:

4,700 lbs to 6,500 lbs (approx.)

Max Gvw Range:

6,400 lbs to 13,500 lbs (depending on configuration)

Towing Capacity Max:

Up to 13,500 lbs (with appropriate configuration and trailer brake controller)

Payload Capacity Max:

Up to 5,220 lbs (depending on configuration)

🛡️ Safety Features

NHTSA Crash Test Front Driver:

Not rated for 2002 model year per available public data.

NHTSA Crash Test Front Passenger:

Not rated for 2002 model year per available public data.

IIHS Crash Test:

Good (Frontal Offset) - for some configurations of the third generation Ram.

ABS:

Standard on most models, 4-wheel ABS on some.

Traction Control:

Available on some models.

Airbags:

Driver and passenger front airbags.

Seatbelts:

Front and rear seat belts, pre-tensioners on front belts.

💡 Technology Features

Audio System:

Factory AM/FM stereo with CD player, optional cassette player, optional Infinity sound system.

Navigation:

Not available from factory.

Cruise Control:

Standard on most models.

Parking Sensors:

Not available.

Bluetooth:

Not available from factory.

Auxiliary Input:

Not available from factory (aftermarket solutions exist).

🔧 Maintenance

Oil Change Interval Gas:

Every 7,500 miles or 6 months (synthetic oil recommended).

Oil Change Interval Diesel:

Every 3,750 miles or 3 months (standard oil), 7,500 miles or 6 months (synthetic oil).

Air Filter Replacement:

Every 15,000-30,000 miles, or as needed based on driving conditions.

Spark Plug Replacement Magnum V8:

Every 100,000 miles (Long Life Platinum recommended).

Transmission Fluid Change Automatic:

Every 30,000-60,000 miles or as per severe duty schedule.

Coolant Flush Interval:

Every 30,000 miles or 2 years for conventional coolant; 100,000 miles or 5 years for extended life coolant.

Engine Oil Specification Gas:

SAE 5W-30 API SN/SP or equivalent (refer to manual for specific viscosity for temperature range).

Engine Oil Specification Diesel:

API CI-4 or CH-4 SAE 15W-40 (or 5W-40 synthetic for cold weather).

Transmission Fluid Automatic:

ATF+4 (Chrysler Material Standard MS-9602).

Transmission Fluid Manual:

Refer to manual, typically synthetic manual transmission fluid (e.g., GL-4 or GL-5).

Coolant Specification:

Mopar Antifreeze/Coolant (HOAT) - Orange or equivalent.

Brake Fluid Specification:

DOT 3 or DOT 4.

Common Issues 47Re 48Re:

Slipping, torque converter shudder, electronic control issues.

Common Issues Cummins 5.9:

VP44 injection pump failure, injector issues, lift pump failure, potential grid heater problems.

Common Issues 4.7 Magnum:

Timing chain stretch, piston slap, oil leaks, occasional ignition coil failures.

Common Issues Suspension Steering:

Worn ball joints, tie rod ends, steering box play, worn front axle u-joints (4x4 models).

Common Issues Electrical:

Body control module (BCM) issues, instrument cluster failures, power window motor failures.

📚 Vehicle History

Dodge Truck Legacy:

Dodge has a long history of producing rugged and capable trucks, evolving from early commercial vehicles to the iconic Ram line.

Third Generation Ram:

The 2002 model year marks the introduction of the significantly redesigned third generation (2002-2008), featuring a bold new exterior design, improved interior comfort, and updated powertrains. This generation introduced the Quad Cab configuration.

Assembly Locations:

Saltillo, Mexico; Warren, Michigan, USA

🏆 Awards & Recognition

Motor Trend Truck Of The Year:

Dodge Ram received MotorTrend's Truck of the Year award for the 2003 model year (closely related to 2002 redesign).

Kbb Consumer Ratings:

Highly rated for capability and value in its segment.