🏷️ Basic Information

Make:

Jeep

Model:

Wrangler

Year:

2006

Chassis Code:

TJ

Vin Prefix:

1J4

👋 Introduction

Vehicle Segment:

Compact SUV / Off-Road Vehicle

Jeep Legacy:

Continuation of Jeep's renowned off-road heritage, known for its ruggedness and capability

Primary Competitors 2006:

Toyota FJ Cruiser (introduced later), Hummer H3, Land Rover Defender (less direct), Suzuki Samurai (older generation)

Off Road Capability:

Solid front and rear axles, high ground clearance, short overhangs, available locking differentials, low-range gearing

Body Styles:

Two-door (Wrangler X, Sahara, Rubicon) and four-door (Wrangler Unlimited) configurations

📋 Manual Details

Manual Type:

Spare Parts Catalog

Language:

English

Format:

Digital (likely PDF)

Estimated Page Count:

400-600 pages (typical for comprehensive parts catalogs)

📖 Manual Coverage

Powertrain:

Engine, transmission, transfer case, axles, exhaust system, fuel system

Chassis:

Frame, suspension (front and rear), steering system, brake system, wheels and tires

Electrical:

Wiring harnesses, lighting, battery, starter, alternator, ignition system, instrumentation, accessories

Body And Interior:

Body panels, doors, hood, tailgate, interior trim, seats, convertible top mechanisms, HVAC system

Part Identification:

Detailed diagrams and part numbers for precise identification of components

Assembly Breakdown:

Exploded views illustrating how components are assembled and organized

Interchangeability:

Indication of interchangeable parts across different sub-models or production periods

Level Of Detail:

Highly detailed, focusing on component-level part numbers, quantities, and their relationships within assemblies

📊 Manual Specifications

Digital Format:

PDF (Portable Document Format), optimized for searchability and printability

Image Resolution:

High-resolution diagrams and images suitable for clear visualization

Binding If Printed:

N/A (Digital Format)

Paper Quality If Printed:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code:

2.4L PowerTech (ED1/EDZ)

Engine Displacement Ltr:

2.4

Engine Cylinders:

4

Engine Horsepower:

147

Engine Torque Lb Ft:

165

Engine Fuel System:

Multi-point Fuel Injection (MPI)

Engine Valvetrain:

SOHC (Single Overhead Camshaft)

Engine Bore X Stroke:

3.46 x 3.82 inches (88 x 97 mm)

Engine Compression Ratio:

9.4:1

Engine Code:

4.0L PowerTech (ERH)

Engine Displacement Ltr:

4.0

Engine Cylinders:

6

Engine Horsepower:

190

Engine Torque Lb Ft:

235

Engine Fuel System:

Multi-point Fuel Injection (MPI)

Engine Valvetrain:

OHV (Overhead Valve), Inline-6

Engine Bore X Stroke:

3.88 x 3.57 inches (98.5 x 90.5 mm)

Engine Compression Ratio:

8.8:1

🔧 Transmission

Standard Transmission Type:

5-speed manual (NV3550)

Optional Transmission Type:

4-speed automatic (42RLE)

Transfer Case:

NV231 Command-Trac (2WD, 4WD Part-Time, 4WD Part-Time Lo) standard on most models. NV241OR Rock-Trac (2WD, 4WD Part-Time, 4WD Part-Time Lo with 4.00:1 ratio) standard on Rubicon models.

Transfer Case Gear Ratios:

NV231: 2.72:1 (Low); NV241OR: 4.00:1 (Low)

📐 Dimensions

Wheelbase In:

93.4 (2-door), 103.4 (Unlimited)

Length In:

157.1 (2-door), 177.1 (Unlimited)

Width In:

66.5

Height In:

70.4

Ground Clearance In:

10.1 (2-door), 10.3 (Unlimited)

Curb Weight Lbs:

3,450 - 3,900 (approximate, varies by configuration)

Towing Capacity Lbs:

2,000 (standard), 3,500 (with trailer tow group)

🛡️ Safety Features

NHTSA Front Impact Driver:

Good (for its era)

NHTSA Front Impact Passenger:

Good (for its era)

NHTSA Side Impact Front Driver:

Not rated (vehicle design limitations)

NHTSA Side Impact Front Passenger:

Not rated (vehicle design limitations)

NHTSA Rollover Rating:

4/5-star (depending on configuration)

ABS:

Standard on rear wheels, optional on front wheels on some models. Standard 4-wheel ABS on later 2006 models.

Traction Control:

Optional on some models

Airbags:

Driver and front passenger airbags

Seatbelts:

Three-point front seat belts, lap belts in rear (on 2-door), three-point rear seat belts (on Unlimited)

💡 Technology Features

Audio System:

Standard AM/FM stereo with CD player. Optional premium sound system with amplifier and subwoofer available.

Connectivity:

Basic connectivity, typically no integrated Bluetooth or USB ports for this model year. Aftermarket solutions common.

Cruise Control:

Available on higher trim levels or as an option.

Keyless Entry:

Optional on some trims.

🔧 Maintenance

Oil Change Interval:

Every 3,000 miles or 3 months (severe service), 7,500 miles or 6 months (normal service) with synthetic oil.

Transmission Fluid Interval:

Automatic: Check every oil change, replace fluid and filter every 30,000 - 60,000 miles depending on use. Manual: Inspect fluid level annually.

Transfer Case Fluid Interval:

Inspect fluid level annually, replace every 30,000 - 60,000 miles.

Coolant Replacement Interval:

Every 5 years or 100,000 miles (initial fill), then every 2 years or 50,000 miles.

Engine Oil Type:

SAE 10W-30 (preferred), SAE 5W-30 (in extremely cold climates). API Certified.

Engine Oil Capacity Qts:

4.5 (4.0L I6), 4.0 (2.4L I4)

Transmission Fluid Type Auto:

ATF+4 (Chrysler Material Standard MS-9602)

Transmission Fluid Type Manual:

NV3550: Mopar Manual Transmission Lubricant (MS-9224) or equivalent 75W-90 Synthetic Gear Lubricant

Transfer Case Fluid Type:

NV231/NV241OR: Mopar Transfer Case Lubricant (MS-9224) or equivalent 75W-90 Synthetic Gear Lubricant

Coolant Type:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant or equivalent (Chrysler MS-9769)

Brake Fluid Type:

DOT 3

Common Issues List:

Oil filter housing leaks, exhaust manifold cracks (4.0L I6), rear main seal leaks, clutch wear, minor electrical gremlins, rust on frame and body mounts.

📚 Vehicle History

Jeep Origin:

Roots tracing back to Willys-Overland MB military Jeep of WWII, evolving into civilian models.

Tj Generation:

The TJ generation of the Wrangler, produced from 1997-2006, marked a significant shift with the introduction of coil spring suspension, replacing the leaf springs of previous generations (YJ).

Wrangler Unlimited:

The 2004 model year introduced the Wrangler Unlimited (LJ), a longer-wheelbase version offering increased cargo space and improved on-road manners, while retaining its off-road prowess.

Production Plant:

Toledo North Assembly Plant, Toledo, Ohio, USA

Final Year Of Tj:

2006 was the last model year for the TJ generation; it was succeeded by the JK generation in 2007.

🏆 Awards & Recognition

Off Road Awards:

Consistently recognized for its class-leading off-road capability by automotive publications and off-road enthusiasts.

Consumer Reports Reliability:

Mixed to average reliability ratings over its lifespan, with specific issues noted in certain model years.

Emissions Compliance:

Meets EPA emissions standards for the 2006 model year.