🏷️ Basic Information

Make:

Jeep

Model:

Wrangler

Year:

2002

Generation:

TJ

Platform Code:

TJ

👋 Introduction

Vehicle Segment:

Compact SUV / Off-Road Vehicle

Target Audience:

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

Key Competitors 2002:

Toyota Tacoma, Nissan Xterra, Ford Explorer, Chevrolet Tracker

Iconic Design:

Distinctive 7-slot grille, round headlights, exposed hinges, removable doors and top, solid axles.

Off Road Capability:

Renowned for its ruggedness, articulation, and off-road prowess, especially with optional Rubicon trim featuring Dana 44 axles and locking differentials.

📋 Manual Details

Manual Type:

Service and Repair Manual

Language:

English

Format:

PDF

Estimated Page Count:

Approx. 2000+ pages (typical for comprehensive factory service manuals)

📖 Manual Coverage

Powertrain:

Engine, Transmission, Transfer Case, Drivetrain, Differentials

Chassis:

Suspension, Steering, Brakes, Frame, Body Mounts

Electrical:

Wiring Diagrams, Lighting, Instruments, Audio, HVAC Controls, Powertrain Control Module (PCM), Body Control Module (BCM)

Body:

Interior Trim, Exterior Panels, Doors, Hood, Tailgate, Convertible Top

Routine Maintenance:

Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections and replacement

Diagnostics:

Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs)

Repairs:

Engine rebuilds, transmission overhauls, brake caliper replacement, suspension component replacement, electrical component repair

Technical Specifications:

Torque specifications, clearances, fluid capacities, electrical component testing parameters

Depth Of Information:

Comprehensive from basic maintenance to full engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text content for quick information retrieval

Printability:

Printable pages for on-the-go reference

Image Resolution:

High-resolution images, diagrams, and schematics

Binding Style:

N/A (Digital PDF)

Paper Quality:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder, SOHC, Cast Iron Block, Aluminum Head

Engine Displacement:

3952 cc (4.0L)

Engine Code:

ERH (4.0L)

Horsepower:

190 hp @ 4,600 rpm

Torque:

235 lb-ft @ 3,200 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Recommended Octane:

87 Octane (Minimum)

🔧 Transmission

Transmission Type:

4-speed Automatic Transmission (42RLE)

Transmission Type:

5-speed Manual Transmission (NV3550)

Transfer Case Standard:

Command-Trac NV241 G (2-speed part-time)

Transfer Case Optional Rubicon:

Rock-Trac NV241 OR (2-speed part-time with 4:1 low range ratio)

📐 Dimensions

Wheelbase:

93.4 inches (2372 mm)

Length:

150.0 inches (3810 mm)

Width:

66.5 inches (1689 mm)

Height:

73.5 inches (1867 mm) (with hardtop)

Ground Clearance:

Approx. 8.5 inches (216 mm) (varies with tire size)

Curb Weight:

Approx. 3,500 - 4,000 lbs (1588 - 1814 kg) depending on configuration

🛡️ Safety Features

NHTSA Rollover Resistance:

3-star (for 2002 model year)

Brakes:

Front: Vented Disc; Rear: Disc (standard on most models, rear drums on some base models)

ABS:

Optional Anti-lock Braking System (ABS)

Airbags:

Driver and Passenger Frontal Airbags

Seatbelts:

3-point front seat belts, lap belts in rear

💡 Technology Features

Audio System:

Factory AM/FM radio with CD player or cassette player. Optional premium sound systems available.

Cruise Control:

Available on most trim levels.

Connectivity Options:

Limited by era; typically auxiliary inputs for aftermarket audio devices.

🔧 Maintenance

Oil Change Interval:

Every 3,000 miles (4,800 km) or 3 months, whichever comes first (severe service), or 6,000 miles (9,600 km) / 6 months (normal service).

Transmission Fluid Change:

Automatic: Every 30,000 miles (48,000 km) or 36 months. Manual: Check periodically, typically inspected with clutch service.

Coolant Flush:

Every 30,000 miles (48,000 km) or 36 months.

Spark Plug Replacement:

Approx. 100,000 miles (160,000 km) for original equipment (OE) Champion copper plugs, or sooner for aftermarket replacements.

Engine Oil Type:

SAE 10W-30 API SJ or higher

Engine Oil Capacity:

6 US quarts (5.7 liters) with filter

Automatic Transmission Fluid:

ATF+4 (Chrysler Material Specification MS-9602)

Manual Transmission Fluid Nv3550:

Mopar Manual Transmission Lubricant (or equivalent SAE 75W-90 GL-3/GL-4)

Transfer Case Fluid:

ATF+4 (Chrysler Material Specification MS-9602)

Coolant Type:

Chrysler HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, Mopar 50/50 mix

Common Wear Items:

Clutch components (manual transmission), U-joints, wheel bearings, exhaust system corrosion, radiator.

Engine Specific:

The 4.0L inline-six is generally robust, but can experience rear main seal leaks and occasional distributorless ignition system (DIS) coil pack failures.

Transfer Case Issues:

Potential for chain stretch or wear in older models, though generally reliable.

📚 Vehicle History

Jeep Legacy:

Founded on military utility vehicles, Jeep has a long-standing reputation for off-road capability and ruggedness.

Tj Generation Introduction:

The TJ Wrangler was introduced for the 1997 model year, succeeding the YJ Wrangler. It marked a significant return to coil springs and a more refined, yet still rugged, design.

Tj Updates 2002:

For 2002, key updates included the availability of the 6-speed manual transmission (NSG370) as an option, and minor interior and exterior refinements. The Rubicon trim was introduced in 2003, making the 2002 model a direct predecessor to this iconic off-road package.

Production Period:

1997-2006

Assembly Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Off Road Acclaim:

Consistently recognized as one of the most capable off-road vehicles in its class throughout its production run.