🏷️ Basic Information

Make:

Jeep

Model:

Wrangler

Year:

2002

Code:

TJ

Chassis Code:

TJ

👋 Introduction

Category:

Off-road SUV, lifestyle vehicle

Target Audience:

Enthusiasts, off-roaders, Jeep owners seeking detailed repair and maintenance information.

Competitors:

Ford Bronco (prior generations), Toyota 4Runner, Land Rover Defender

Unique Selling Proposition:

Renowned off-road capability, iconic design, simple and robust mechanicals, extensive aftermarket support.

Vehicle:

Solid front and rear axles, removable doors and top, robust four-wheel-drive system (Command-Trac NV242 or optional Select-Trac NV244).

Manual:

Factory-sourced information ensures accuracy and completeness, covering all aspects of vehicle repair and maintenance.

📋 Manual Details

General Topics:

Engine, General Information, Drivetrain, Chassis, Lighting, Steering, Seats System, Clutch, Suspension, Locks, Brakes, Lubrication, Electrical, Fuel System, Battery

Specific Systems:

Lubrication and Maintenance, Suspension, Differential and Driveline, Brakes, Clutch, Cooling System, Battery, Starting Systems, Charging System, Ignition System, Instrument Panel Systems, Audio Systems, Horn Systems, Speed Control System, Turn Signal and Hazard Warning Systems, Wiper and Washer Systems, Lamps, Passive Restraint Systems, Electrically Heated System, Power Distribution System, Vehicle Theft/Security Systems, Chime/Buzzer Warning Systems, Wiring Diagrams, Engine, Exhaust System, Frame and Bumpers, Fuel System, Steering, Transmission and Transfer Case, Tires and Wheels, Body, Heating and Air Conditioning, Emission Control Systems

Estimate:

Varies based on specific model configurations, but typically over 1000 pages for comprehensive factory manuals.

Type:

Factory Workshop Service Repair Manual Ebook

Language:

English

Format:

PDF/ZIP (Ebook)

📖 Manual Coverage

Powertrain:

Engine, Cooling System, Fuel System, Exhaust System, Clutch, Transmission, Transfer Case, Driveline, Differentials

Chassis And Suspension:

Frame, Bumpers, Suspension (Front & Rear), Steering, Brakes, Tires, Wheels

Electrical And Body:

Battery, Starting System, Charging System, Ignition System, Lighting, Instrument Panel, Audio System, Horn, Speed Control, Turn Signals, Wiper/Washer, Lamps, Passive Restraint Systems, Electrically Heated Systems, Power Distribution, Security Systems, Chime/Buzzer Systems, Wiring Diagrams, Body, Heating and Air Conditioning

Maintenance And Diagnostics:

Routine maintenance, fluid changes, lubrication, diagnostic procedures for all major systems, troubleshooting guides

Repair And Rebuild:

Detailed step-by-step repair procedures for engine components, transmission, drivetrain, suspension, brakes, steering, electrical systems, body components, HVAC

Disassembly And Assembly:

Complete instructions for the removal and installation of all major components and sub-assemblies

Depth:

Factory-level technical information, including specifications, tolerances, torque values, diagnostic trouble codes (DTCs), wiring schematics, and detailed repair procedures suitable for dealership technicians and advanced DIY enthusiasts.

📊 Manual Specifications

Format:

PDF/ZIP

Searchability:

Likely searchable PDF text, allowing for quick navigation to specific topics.

Printability:

Printable for users who prefer hard copies or specific sections.

Quality:

Digital reproduction quality, intended to be clear and legible.

Type:

Not applicable (Ebook format)

Type:

Not applicable (Ebook format)

Compatibility:

Windows (95/98/ME/XP/Vista/7), Linux, MAC

⚙️ Engine Specifications

Engine Code And Type:

4.0L (3952cc) I-6 OHV 12-Valve (PowerTech)

Bore X Stroke:

3.875 in x 3.563 in (98.4 mm x 90.5 mm)

Compression Ratio:

8.8:1

Horsepower:

190 hp @ 4,750 rpm

Torque:

235 lb-ft @ 3,200 rpm

Type:

Electronic Fuel Injection (Sequential Multi-Port Fuel Injection - SMPI)

Fuel Type:

Unleaded Gasoline (87 Octane Minimum)

Oil Type:

SAE 10W-30 API Service SG or higher

Oil Capacity W Filter:

5.0 US quarts (4.7 liters)

Type:

Distributorless Ignition System (DIS) with Coil-on-Plug (COP) ignition

🔧 Transmission

Type:

NV3550 5-speed manual transmission

Type:

42RLE 4-speed automatic transmission

Standard:

NV242 Command-Trac (2-speed, part-time 4WD with 2WD, 4WD Part-Time, 4WD Full-Time, Neutral)

Optional:

NV244 Select-Trac (2-speed, full-time 4WD system with 2WD, 4WD High Auto, 4WD High Lock, Neutral)

Type:

Mopar Manual Transmission Lubricant (or equivalent GL-3/GL-4 specification)

Type:

Mopar ATF+4 (MS-9602)

📐 Dimensions

Wheelbase:

93.4 inches (2372 mm)

Length:

151.4 inches (3845 mm)

Width Body:

66.5 inches (1689 mm)

Height:

71.5 inches (1816 mm) (with hardtop)

Ground Clearance:

Approx. 8.5 inches (216 mm) (under axles)

Curb Weight:

Approx. 3,200 - 3,500 lbs (1451 - 1588 kg), depending on configuration

Towing Capacity:

2,000 lbs (907 kg)

Payload Capacity:

Approx. 800 lbs (363 kg)

Passenger Capacity:

4

Cargo Volume Behind Rear Seat:

Approx. 14.7 cu ft

Cargo Volume With Rear Seat Folded:

Approx. 38.7 cu ft

🛡️ Safety Features

NHTSA Rollover Resistance:

Not directly comparable to modern standards, but known for higher center of gravity common to SUVs.

Brakes:

Front: Ventilated Disc, Rear: Solid Disc. Optional Anti-lock Braking System (ABS).

Traction Control:

Limited slip differentials (optional), 4WD systems.

Airbags:

Driver and passenger front airbags.

Seat Belts:

3-point front seat belts with pretensioners, 2-point rear seat belts.

Rollover Protection:

Integral sport bar (roll cage) for occupant protection.

💡 Technology Features

Audio System:

Base AM/FM radio with CD player, optional Infinity speaker systems.

Navigation:

Not available from the factory.

Cruise Control:

Available as an option.

Connectivity Options:

Limited to basic audio system and optional accessories. No Bluetooth or USB connectivity.

🔧 Maintenance

Oil Change:

Every 3,000 - 5,000 miles (4,800 - 8,000 km) or 6 months, whichever comes first (severe duty may require more frequent changes).

Engine Air Filter:

Inspect every 15,000 miles (24,000 km), replace as needed.

Transmission Fluid Auto:

Inspect every 15,000 miles (24,000 km), change fluid and filter every 30,000 - 50,000 miles (48,000 - 80,000 km).

Transfer Case Fluid:

Inspect every 15,000 miles (24,000 km), change every 30,000 - 50,000 miles (48,000 - 80,000 km).

Differential Fluid:

Inspect every 15,000 miles (24,000 km), change every 30,000 - 50,000 miles (48,000 - 80,000 km), especially if used for off-roading.

Coolant:

Mopar Antifreeze/Coolant (50/50 mix with distilled water)

Brake Fluid:

DOT 3

Power Steering Fluid:

Mopar Power Steering Fluid (or equivalent MS-5931/MS-10838)

Common Problems:

Cracked cylinder heads (early 4.0L models, though less prevalent in 2002), rust on frame and body, HVAC blower motor failure, cooling system leaks, NP231 transfer case chain stretch, exhaust manifold cracks, rear main seal leaks.

📚 Vehicle History

Jeep Legacy:

Jeep's heritage dates back to World War II with the Willys MB, establishing its reputation for ruggedness and off-road capability.

Tj Generation:

The TJ Wrangler (1997-2006) marked a significant departure from its YJ predecessor with the reintroduction of coil springs for improved ride quality and articulation, while retaining the iconic design and solid axles.

2002 Updates:

The 2002 model year saw minor refinements, but the core platform and powertrain remained consistent with earlier TJ models.

Manufacturing Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Off Road Acclaim:

Consistently recognized by off-road publications and enthusiasts for its exceptional off-road capability and iconic status.