🏷️ Basic Information

Make:

Dodge

Model:

Ram 1500, Ram 2500, Ram 3500

Model Years Covered:

2001, 2002

Chassis Code:

DR (Third Generation Ram)

👋 Introduction

Vehicle Segment:

Full-size pickup truck, known for its robust construction and towing/hauling capabilities.

Key Competitors:

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

Vehicle Strengths:

Powerful engine options, strong towing and payload capacities, durable construction, comfortable ride for a truck of its era, distinctive styling.

Engine Durability:

Renowned for the robust nature of its Magnum V8 gasoline engines and the legendary durability of the 5.9L Cummins Turbo Diesel, making these trucks desirable for heavy-duty applications.

📋 Manual Details

Manual Type:

Factory Service Repair Workshop Manual

Language:

English

Format:

PDF Download

Completeness:

Comprehensive factory coverage, intended for use by dealership technicians.

Estimated Page Count:

1500-2000+ (typical for full factory service manuals of this era, actual may vary)

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system, transmission (manual & automatic), transfer case, driveline, axles.

Chassis:

Brakes (ABS, hydraulic, parking), steering, suspension (front & rear), wheels, tires, frame.

Electrical:

Starting and charging systems, lighting, instrumentation, power accessories, body control modules, infotainment, engine control module (ECM), transmission control module (TCM), diagnostics (OBD-II).

Body:

Body and paint, interior trim, exterior trim, doors, windows, seats, HVAC (heating, ventilation, air conditioning), airbags.

HVAC:

Diagnosis and repair of heating, ventilation, and air conditioning systems, including refrigerant handling (R134a), compressor replacement, evaporator/condenser servicing, and control module diagnostics.

Routine Maintenance:

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

Repair And Overhaul:

Engine rebuild procedures, transmission overhaul, brake system repair, suspension component replacement, electrical component diagnosis and repair, HVAC system servicing.

Diagnostics:

Troubleshooting charts, symptom-based diagnostics, diagnostic trouble codes (DTCs) interpretation, wiring diagrams, component testing procedures.

Suspension And Steering:

Procedures for replacing ball joints, control arms, shock absorbers, steering gearboxes, power steering pumps, and alignment specifications.

Brake Systems:

Detailed instructions for brake pad and rotor replacement, caliper servicing, brake line repairs, ABS component testing, and parking brake adjustment.

Body And Trim:

Guidance on interior and exterior trim removal and installation, door panel replacement, window regulator repair, and bumper servicing.

Level Of Detail:

Comprehensive factory-level data, including detailed component removal/installation, specifications, torque values, special tool requirements, and diagnostic information.

Engine Rebuild:

Detailed procedures for engine disassembly, inspection, overhaul, and reassembly, including machining specifications and component clearances.

Transmission Rebuild:

Step-by-step guides for rebuilding both automatic (e.g., 45RFE, 48RE) and manual transmissions (e.g., NV3500, NV4500), including valve body diagnosis, clutch pack replacement, and torque converter servicing.

Electrical Diagnostics:

Extensive wiring diagrams, component location charts, diagnostic trouble tree charts, and step-by-step procedures for diagnosing and repairing electrical faults, including power windows, locks, lights, and powertrain control modules.

Torque Specifications:

Provides precise torque values for all critical fasteners, ensuring proper assembly and preventing component damage.

Special Tools:

Identifies necessary special tools and equipment required for specific repair procedures, often referencing Mopar (Chrysler) specific tools.

📊 Manual Specifications

Digital Format:

PDF

Searchability:

Fully searchable PDF, allowing users to quickly find specific topics or components.

Clarity And Readability:

High-resolution scans with clear diagrams, schematics, and text. Searchable text for efficient information retrieval.

Diagrams And Illustrations:

Includes high-quality, detailed diagrams, exploded views, and schematic illustrations essential for accurate repairs.

Digital Distribution:

Downloadable file, no physical binding.

Digital Format:

N/A (Digital)

⚙️ Engine Specifications

Engine Options:

4.7L Magnum V8 (P-engine), 5.9L Magnum V8 (A-engine - naturally aspirated & turbo diesel).

Engine Codes:

4.7L V8: EFA (P-engine), 5.9L V8 Gas: EAS (A-engine), 5.9L Cummins Turbo Diesel: ISB, CPL codes vary.

Engine Description:

Both the 4.7L and 5.9L Magnum V8s are overhead valve (OHV) designs known for their torque and reliability. The 5.9L Cummins is a 24-valve inline-six turbo diesel engine celebrated for its immense torque and longevity.

4.7L V8 Horsepower:

Approximately 235-245 hp (varies by specific model year and tune)

4.7L V8 Torque:

Approximately 290-300 lb-ft

5.9L Magnum V8 (Gas) Horsepower:

Approximately 245-250 hp

5.9L Magnum V8 (Gas) Torque:

Approximately 335-345 lb-ft

5.9L Cummins Turbo Diesel Horsepower:

Approximately 235 hp (standard), 275 hp (High Output)

5.9L Cummins Turbo Diesel Torque:

Approximately 460 lb-ft (standard), 525 lb-ft (High Output)

Induction:

Multi-point fuel injection (MPFI) for gasoline engines; Direct injection for Cummins diesel.

Fuel Type:

Unleaded gasoline (87 octane recommended), Diesel fuel for Cummins.

🔧 Transmission

Transmission Options:

4-speed automatic (45RFE/48RE), 5-speed manual (NV3500, NV4500 for heavier duty).

Transmission Options:

Available transmission types varied by model (1500, 2500, 3500) and engine choice.

Transfer Case:

Manual 2-speed (part-time 4WD), Electronic Shift On The Fly (ESOF) 2-speed transfer case.

📐 Dimensions

Wheelbase Options:

130.2" (Regular Cab), 140.5" (Club Cab/Quad Cab 6.5' bed), 160.5" (Club Cab/Quad Cab 8' bed), 130.2" (Mega Cab 6.5' bed - 2002.5+ model year availability).

Bed Length Options:

6.5 feet, 8.0 feet

Cab Configurations:

Regular Cab, Club Cab (extended cab with rear-hinged doors), Quad Cab (four-door extended cab, introduced with third generation).

Curb Weight:

Varies significantly by configuration (e.g., 4,500 - 6,500+ lbs).

Gvw Ratings:

Range from 6,300 lbs (1500) to 10,500+ lbs (3500).

🛡️ Safety Features

NHTSA Front Impact Driver:

4 out of 5 stars (for models equipped with airbags)

NHTSA Front Impact Passenger:

4 out of 5 stars (for models equipped with airbags)

Braking System:

Power assisted front disc brakes, rear drum brakes (optional rear disc on some models), Anti-lock Braking System (ABS) standard on most models.

Traction Control:

Available on some models, particularly for the 4.7L V8.

Restraint System:

Driver and passenger front airbags, three-point seat belts with pretensioners.

💡 Technology Features

Audio System:

Factory AM/FM/CD player, optional premium audio systems, cassette player availability.

Advanced Features:

ABS, available integrated trailer brake controller (on some configurations), cruise control.

Diagnostics Port:

OBD-II (On-Board Diagnostics II) port, typically located under the dashboard on the driver's side.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-7,500 miles or 6-12 months, depending on driving conditions and oil type used (consult manual for exact recommendation).

Transmission Fluid Change:

Recommended every 30,000-60,000 miles for automatic transmissions, depending on usage. Manual transmissions may have longer intervals or be considered 'lifetime' fluid with inspection recommended.

Coolant Flush:

Typically every 30,000-50,000 miles or 2-3 years.

Engine Oil Type:

SAE 5W-30 or 5W-20 (check owner's manual for specific engine recommendation), API certified.

Transmission Fluid Type:

ATF+4 (for automatic transmissions), Manual transmission fluid (specific type per manual).

Coolant Type:

Chrysler's HOAT (Hybrid Organic Acid Technology) coolant, typically orange or red.

Brake Fluid Type:

DOT 3.

Power Steering Fluid:

ATF+4 or specific Mopar power steering fluid.

Common Wear Items:

Ball joints, tie rod ends, wheel bearings, exhaust system components, alternator, water pump, radiator.

Diesel Specific:

VP44 injection pump failure (common on early Cummins models of this era if not maintained properly), lift pump issues.

Gasoline Specific:

Spark plug fouling (especially early 4.7L), oil pressure sensor failures, manifold cracks (older models, less common on 3rd gen).

Electrical Components:

Potential issues with window regulators, power mirror motors, and sometimes instrument cluster failures. Tipm (Totally Integrated Power Module) issues can arise in later years of this generation, though more prominent in subsequent models.

📚 Vehicle History

Dodge Trucks:

Dodge has a long history of producing robust and capable trucks dating back to the early 20th century. The Ram nameplate became a distinct brand within Chrysler in 1993.

Third Generation Ram:

The 2001-2002 models represent the early phase of the third-generation Ram trucks (introduced for model year 2002), which featured a completely redesigned exterior and interior, improved chassis, and updated powertrains, including the introduction of the new 4.7L Magnum V8 and enhancements to the Cummins diesel.

Platform Transition:

This generation marked a significant platform update, moving away from the earlier designs to a more modern and integrated chassis and body structure.

Manufacturing Locations:

Primarily Saltillo, Mexico, and Warren, Michigan, USA.

🏆 Awards & Recognition

Vehicle Awards:

While specific awards for the 2001-2002 model years are not as widely documented as later generations, the Ram truck line consistently received recognition for its powertrains (especially the Cummins diesel) and its robust truck capabilities.