🏷️ Basic Information

Make:

Jeep

Model:

Wrangler

Generation:

JK

Year:

2007

👋 Introduction

Market Position:

The Jeep Wrangler JK (2007 model year) represented a significant evolution for the iconic off-road vehicle, introducing a coil-spring suspension across all trims for improved on-road manners while retaining its legendary trail capability. This manual targets owners and technicians needing comprehensive support for this specific generation's introduction.

Competitive Analysis:

While the Wrangler JK entered a niche market, its primary competitors included vehicles with off-road aspirations. However, its unmatched combination of ruggedness, open-air driving experience, and aftermarket support positioned it uniquely. This manual is essential for maintaining these distinct characteristics.

Key Features:

The 2007 JK generation marked the first complete redesign of the Wrangler in decades. Key features include a longer wheelbase, wider track, a significantly stiffer frame, and the introduction of the 3.8L V6 engine. This manual focuses on the specific engineering and service requirements of these advancements.

📋 Manual Details

Coverage Areas:

Repair, maintenance, adjustments, removal, installation, disassembly, assembly, troubleshooting, diagnostics, service data, specifications, factory settings, wear limits, pictorial diagrams, exploded diagrams, drawings, photos.

Page Count:

1000+

Manual Type:

Workshop Service Manual / Repair Manual

Language:

English

Format:

PDF

Accessibility:

Viewable on any computer, zoomable, and printable.

Download Method:

Instant Download PDF after secure payment

📖 Manual Coverage

Systems Covered:

Engine mechanical, engine performance, cooling system, exhaust system, fuel system, ignition system, lubrication system, transmission (manual and automatic), transfer case, driveline, axles, suspension (front and rear), steering system, brakes (front and rear), wheels and tires, body and frame, interior systems, exterior body panels, electrical system (including wiring diagrams), climate control, diagnostic trouble codes (DTCs).

Body And Trim:

Body panels, doors, interior trim, convertible top, hardtop installation/removal, and associated hardware.

Procedures Included:

Routine maintenance, scheduled maintenance, troubleshooting of common and uncommon issues, diagnostic procedures, repair procedures for all major components, component removal and installation, disassembly and assembly of complex assemblies, adjustments, recalibrations, specifications for tightening torques, wear limits, fluid capacities, and component clearances.

Electrical Diagnostics:

Includes detailed wiring diagrams, component testing procedures, and troubleshooting flowcharts for electrical systems.

Technical Depth:

Comprehensive, bumper-to-bumper coverage suitable for both professional mechanics and DIY enthusiasts. Includes detailed step-by-step instructions, theoretical explanations of system function, and practical application of repair techniques. Covers everything from basic fluid changes to complete engine and transmission rebuilds.

Repair Manual Type:

Full-color diagrams, exploded views, step-by-step instructions, special tool references, torque specifications, wear limits, diagnostic procedures.

📊 Manual Specifications

File Format Quality:

High-resolution PDF, fully searchable text, printable pages.

Content Completeness:

100% complete and intact, no missing or corrupt pages/sections.

Print Quality:

Printable to high quality, allowing for clear reproduction of diagrams and text.

Binding Type:

Digital PDF (no physical binding)

Paper Type:

N/A (Digital Format)

Operating System Compatibility:

Windows, macOS, Linux

⚙️ Engine Specifications

Primary Engine:

3.8L V6 (Chrysler EVT engine family)

Horsepower:

202 hp @ 5200 rpm (approximate)

Torque:

237 lb-ft @ 4000 rpm (approximate)

Fuel System:

Electronic Multi-Point Fuel Injection (MPFI)

Engine Codes:

EGT (3.8L V6)

Oil Capacity Quarts:

5.0 (with filter change)

Recommended Oil Type:

SAE 3.7L 3.8L V6

Engine Type:

Overhead Valve (OHV) V6

Cooling System Type:

Pressurized liquid cooling system

🔧 Transmission

Standard Transmission:

6-speed manual (NSG370)

Optional Transmission:

4-speed automatic (42RLE)

Transfer Case:

NV241 GII (Command-Trac for Sport/Sahara, Rock-Trac optional/Rubicon)

📐 Dimensions

Wheelbase Inches:

95.4 (2-Door) / 116.0 (4-Door Unlimited)

Length Inches:

162.1 (2-Door) / 179.2 (4-Door Unlimited)

Width Inches:

73.7

Height Inches:

70.1 - 72.6 (depending on model/top)

Curb Weight Lbs:

3,880 - 4,375 (approximate, depending on configuration)

Gross Vehicle Weight Rating Gvwr Lbs:

4,750 - 5,350 (depending on model)

🛡️ Safety Features

NHTSA Front Impact Rating:

4 Stars (Driver) / 5 Stars (Passenger) - 2007 Model (Varies slightly by configuration)

IIHS Side Impact Rating:

Good (2007 Model)

Active Safety Features:

Electronic Roll Mitigation (ERM), Electronic Stability Control (ESC), Traction Control System (TCS), Anti-lock Braking System (ABS), Trailer Sway Control (TSC).

ABS Brake System:

Standard 4-wheel disc brakes with ABS

Passive Safety Features:

Front airbags, available side curtain airbags (optional on some models), crumple zones, high-strength steel frame.

💡 Technology Features

Infotainment Options 2007:

Basic AM/FM stereo with CD player, optional Infinity sound system, optional SiriusXM satellite radio, optional navigation system (rare on early models).

Driver Assistance Features:

Limited for 2007; primarily focused on stability and traction control systems (ESC, TCS). No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane-keeping assist.

Connectivity Options:

Optional auxiliary audio input jack, optional SiriusXM satellite radio connectivity.

🔧 Maintenance

Oil Change Interval Miles:

Every 6,000 miles or 6 months, whichever comes first (check manual for exact Severe vs. Normal duty cycles).

Tire Rotation Interval Miles:

Every 6,000 miles or 6 months

Engine Air Filter Replacement Miles:

Every 15,000 miles or 12 months, or as needed based on driving conditions.

Spark Plug Replacement Miles:

Approximately 100,000 miles (depending on plug type specified).

Engine Coolant Type:

Chrysler HOAT (Hybrid Organic Acid Technology) or equivalent.

Transmission Fluid Automatic:

ATF+4 (Chrysler Specification)

Transmission Fluid Manual:

MS-9224 or equivalent manual transmission fluid (e.g., Red Line MT-90).

Transfer Case Fluid:

NV241 GII: Mopar NP241 Transfer Case Fluid or equivalent.

Differential Fluid Front Rear:

API GL-5, SAE 75W-90 (conventional or synthetic). Consider limited-slip additive if equipped with a limited-slip differential.

Brake Fluid Type:

DOT 3

Power Steering Fluid Type:

ATF+4 or specified Mopar power steering fluid

Known Issues Common:

Clutch wear (manual transmission), death wobble (suspension component wear, especially steering stabilizer and track bar), HVAC blower motor resistor failure, minor oil leaks from valve cover gaskets, exhaust manifold cracks (less common on 3.8L than later Pentastar), potential water pump leaks.

Cooling System Issues:

Potential for radiator leaks or hose degradation over time.

📚 Vehicle History

Brand Heritage:

Jeep has a legendary lineage dating back to World War II with the Willys MB. The Wrangler, as the direct descendant of the CJ (Civilian Jeep) series, embodies this off-road heritage of ruggedness, durability, and go-anywhere capability.

Model Evolution:

The JK generation marked the fourth iteration of the Wrangler. Introduced for the 2007 model year, it was the first Wrangler built on a new platform (JKU for Unlimited). This generation significantly updated the interior, exterior styling, and underpinnings, improving comfort and on-road performance without sacrificing off-road prowess.

Chassis Design:

Body-on-frame construction with new, stiffer frame design for the JK generation.

Production Location:

Toledo, Ohio, USA

Production Years For Jk Platform:

2007-2018

🏆 Awards & Recognition

Recognitions 2007:

Often cited by off-road publications for its capability. Specific awards may vary by trim and configuration, but generally recognized for its iconic status and off-road prowess.