🏷️ Basic Information

Make:

Jeep

Model:

Wrangler, Cherokee, Liberty

Year:

2007

Chassis Codes:

JK (Wrangler), KJ (Liberty), MK (Compass/Patriot - though not explicitly listed, often grouped with these generations), WK (Grand Cherokee), XK (Commander)

👋 Introduction

Positioning:

The 2007 model year marked significant updates for several Jeep models. The JK generation Wrangler debuted, offering a substantial redesign. The Liberty (KJ) continued its successful run, and the Grand Cherokee (WK) and Commander (XK) represented Jeep's expanding SUV lineup. This era represents a blend of traditional Jeep capability with modern comfort and technology.

Competitors:

Wrangler: Competed with vehicles like the Toyota FJ Cruiser and Land Rover Defender (in some markets). Liberty: Competed with compact SUVs like the Toyota RAV4, Honda CR-V, Ford Escape. Grand Cherokee: Competed with mid-size SUVs such as the Ford Explorer, Toyota 4Runner, Chevrolet TrailBlazer. Commander: Competed in the larger SUV segment against vehicles like the Ford Expedition, Chevrolet Tahoe.

Features:

Introduction of the JK Wrangler platform, available with new powertrains. Evolution of interior and exterior designs across the model range, incorporating more refined materials and features. Emphasis on the Trail Rated badge for off-road capability.

📋 Manual Details

Models Covered:

Jeep Wrangler (JK), Jeep Liberty (KJ), Jeep Cherokee (MK - North American market often refers to Liberty as Cherokee), Jeep Grand Cherokee (WK), Jeep Commander (XK)

Estimated Page Count:

Extensive (Factory Workshop Manuals typically exceed 1000 pages)

Type:

Factory Workshop Manual / Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Yes (Cylinder Block, Cylinder Head, Camshaft, Valves, Pistons, Crankshaft, Connecting Rods, Oil Pump, Water Pump)

Engine Control System:

Yes (SFI System, Emission Control Systems, Knock Sensor, Throttle Body, Fuel Injector, Camshaft Position Sensor)

Cooling System:

Yes (Radiator Assy, Thermostat, Water Pump, Cooling Fan System, Heater Radiator Assy, Heater & Air Conditioner)

Fuel System:

Yes (Fuel Tank, Fuel Pump, Fuel Injector, Charcoal Canister)

Lubrication System:

Yes (Oil Filter, Oil Pump, Engine Coolant - often discussed in context of lubrication maintenance)

Starting System:

Yes (Starter Assy, Starter Switch, Clutch Start Switch Assy)

Charging System:

Yes (Generator Assy)

Ignition System:

Yes (Spark Plugs - implied, coil-on-plug systems common)

Exhaust System:

Yes (Exhaust Pipe, Exhaust)

Transmission Manual:

Yes (Manual Transaxle Assy, Manual Transaxle Oil, Manual Transaxle System)

Transmission Automatic:

Yes (Automatic Transaxle Assy, Automatic Transaxle Fluid, Torque Converter Clutch)

Drivetrain Front Axle:

Yes (Front Axle Hub, Front Differential Oil Seal, Front Drive Shaft)

Drivetrain Rear Axle:

Yes (Rear Axle Beam, Rear Axle Hub, Differential Case Assy)

Suspension Front:

Yes (Front Suspension System, Front Suspension, Front Stabilizer Bar, Front Shock Absorber, Front Suspension Arm, Front Wheel Alignment)

Suspension Rear:

Yes (Rear Suspension System, Rear Suspension, Rear Coil Spring, Rear Shock Absorber Assy, Rear Wheel Alignment)

Steering System:

Yes (Steering System, Power Steering, Power Steering Link Assy, Steering Column, Steering Sensor, Horn Button Assy)

Brake System:

Yes (Brake System, Brake Master Cylinder, Brake Pedal, Brake Booster, Brake Actuator, Front Brake, Rear Brake, Parking Brake Cable, Parking Brake Lever)

Wheel Tire System:

Yes (Wheel And Tire System, Tire & Wheel, Wheel Alignment - front and rear)

Body Exterior:

Yes (Rear Bumper, Fender Panel Mudguard, Side Mudguard, Back Door Garnish, Hood, Front Bumper, Back Door, Front Door, Roof Headlining, Roof Drip Side Finish Moulding, Quarter Window Assy, Headlamp Protector Retainer)

Body Interior:

Yes (Instrument Panel, Steering Column, Sun Roof, License Plate Lamp Assy, Cigarette Lighter Assy, Center Cluster Module Switch)

Glass Weatherstripping:

Yes (Front Door Glass Weatherstrip, Rear Door Glass Weatherstrip, Windshield Glass)

Lighting System:

Yes (License Plate Lamp Assy, Rear Combination Lamp Assy, Front Marker Lamp Assy, Headlamp Assy, Side Turn Signal Lamp Assy, Center Stop Lamp Assy)

Wiper Washer System:

Yes (Wiper And Washer System, Wiper Rubber, Rear Wiper Motor Assy, Washer Nozzle, Windshield Wiper Motor Assy, Windshield Wiper Switch Assy)

Air Conditioning System:

Yes (Air Conditioning System, Receiver Condenser Assy, Pulley Compressor Assy, Air Conditioning Blower Assy, Heater & Air Conditioner, Air Conditioning Amplifier Assy, Heater Or Boost Ventilator Control, Air Conditioning Refrigerant)

Audio Visual System:

Yes (Radio Receiver Assy, Rear Speaker Assy, Front Speaker Assy, Amplifier Antenna Assy)

Safety Restraint System:

Yes (Supplemental Restraint System, Air Bag Sensor Side, Side Air Bag Sensor Assy, Air Bag Sensor Rear, Passenger Air Bag Assy, Front Seat Airbag Assy, Center Air Bag Sensor Assy, Seat Position Air Bag Sensor, Curtain Shield Air Bag Assy)

Electrical Wiring:

Yes (Wiring Diagrams)

Electrical Control Modules:

Yes (Center Cluster Module Switch, Air Conditioning Amplifier Assy)

Instrumentation:

Yes (Combination Meter)

Security Access:

Yes (Power Door Lock Control System)

Comfort Convenience:

Yes (Power Window Control System, Power Mirror Control System, Sun Roof System, Shift Lock System)

Sensors:

Yes (Yaw Rate Sensor, Skid Control Sensor, Transmission Revolution Sensor, Steering Sensor, Camshaft Position Sensor, Knock Sensor)

Maintenance Procedures:

Yes (Routine maintenance, fluid changes, filter replacements, inspections)

Troubleshooting Diagnostics:

Yes (Diagnostic procedures, symptom-based troubleshooting)

Repair Procedures:

Yes (Component removal, installation, and adjustment for all major systems)

Body Repair:

Yes (Specific section for Body Repair is listed)

Electrical Repair:

Yes (Through Wiring Diagrams and component repair sections)

Transmission Rebuild:

Yes (Detailed procedures for both manual and automatic transmissions)

Engine Rebuild:

Yes (Detailed component-level repair and overhaul procedures)

Drivetrain Components:

Yes (Axle, differential, drive shaft removal/installation/repair)

Suspension Steering Alignment:

Yes (Alignment specifications and procedures)

Brake System Service:

Yes (Brake component replacement, bleeding, adjustments)

Air Conditioning Service:

Yes (Recharge, component replacement, leak detection)

Depth:

Comprehensive factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Includes torque specifications, clearances, diagnostic flowcharts, and wiring diagrams.

📊 Manual Specifications

Format:

PDF (Portable Document Format)

Quality:

High-resolution, designed for clear viewing and printing. Includes diagrams, schematics, and illustrations.

Type:

Digital Download (Not applicable for physical binding)

Type:

Digital (Not applicable for physical paper type)

⚙️ Engine Specifications

Engine:

3.8L V6 (Optional on JK Wrangler, replacing the older 3.8L)

Engine:

3.7L V6 PowerTech, 2.8L CRD Diesel (Common for KJ Liberty)

Engine:

3.7L V6 PowerTech, 4.7L V8 Magnum, 5.7L V8 HEMI, 3.0L CRD Diesel (for Grand Cherokee WK)

Performance:

Approx. 202 hp @ 5200 rpm, 237 lb-ft @ 4000 rpm

Performance:

Approx. 210 hp @ 5200 rpm, 235 lb-ft @ 4000 rpm

System Type:

Sequential Multi-Port Fuel Injection (SFI)

🔧 Transmission

Type:

6-Speed Manual NSG370

Type:

4-Speed Automatic 42RLE

Type:

5-Speed Manual NSG370 (with 3.7L), 6-Speed Manual (with 2.8L CRD)

Type:

4-Speed Automatic 45RFE

Transfer Case:

Command-Trac NV241G (2WD/4WD Part-Time), optional Rock-Trac NV241OR (2WD/4WD Part-Time with lower gearing) for Wrangler Rubicon

📐 Dimensions

Length:

Approx. 160.9 inches

Length:

Approx. 173.4 inches

Curb Weight:

Starting around 3,850 lbs (2-door) to 4,250 lbs (4-door)

🛡️ Safety Features

NHTSA Front Crash:

Refer to specific model year NHTSA reports for exact ratings. Early JK Wranglers and updated Liberty/Grand Cherokee models would have varying results.

Features:

Four-wheel Anti-lock Braking System (ABS), Traction Control (TCS), Electronic Stability Control (ESC - introduced in later models of this generation), Trailer Sway Control (TSC)

Features:

Front airbags, available side curtain airbags, seatbelt pretensioners, advanced multi-stage airbag systems.

💡 Technology Features

Features:

Base models offered AM/FM radio with CD player. Higher trims could include Sirius Satellite Radio, premium audio systems, and optional navigation systems on Grand Cherokee/Commander.

Features:

ABS, Traction Control, optional Electronic Stability Control (ESP). Limited advanced driver-assistance systems compared to modern vehicles.

Features:

Limited by 2007 standards. Primarily focused on audio input (CD, optional AUX). Bluetooth hands-free communication was an emerging option in higher trims.

🔧 Maintenance

Interval:

Typically every 5,000 to 7,500 miles, or 6 months, depending on driving conditions (refer to manual for specific recommendation).

Interval:

Manual Transmission: Check periodically, fluid change typically around 60,000-100,000 miles. Automatic Transmission: Check periodically, fluid/filter change typically around 60,000-100,000 miles, especially under severe use.

Specification:

SAE 5W-20 or 5W-30 (refer to owner's manual or oil cap for exact viscosity depending on engine and climate).

Specification:

Chrysler/Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (Pink color) or equivalent. Typically a 50/50 mix with distilled water.

Specification:

ATF+4 (Automatic Transmission Fluid type 4)

Specification:

MS-9224 SAE 75W-90 Synthetic Gear Lubricant (for NSG370)

Specification:

DOT 3 or DOT 4 brake fluid.

Issues:

Death Wobble (steering/suspension instability), minor electrical gremlins, potential clutch issues on early manuals.

Issues:

CV joint wear, front suspension components, potential for oil leaks from the 3.7L engine, diesel glow plug issues (on CRD models).

Issues:

Hemi tick (lifter noise), electrical issues, transmission solenoid pack failures, front suspension wear.

📚 Vehicle History

Heritage:

Jeep has a rich legacy rooted in military vehicles, particularly the Willys MB during WWII. This heritage translates into a brand synonymous with off-road capability and ruggedness.

Evolution:

The 2007 model year marked the introduction of the highly anticipated JK generation Wrangler, a complete redesign from the TJ, offering a longer wheelbase (especially the 4-door Unlimited), increased interior space, and improved on-road manners while retaining legendary off-road prowess.

Evolution:

The KJ Liberty was in its later years of production, having received minor updates. It was known for its distinctive styling and off-road capability within the compact SUV segment.

Locations:

Wrangler (JK): Toledo, Ohio, USA. Liberty (KJ): Toledo, Ohio, USA. Grand Cherokee (WK) / Commander (XK): Jefferson North Assembly Plant, Detroit, Michigan, USA.

🏆 Awards & Recognition

Awards:

Jeep models, particularly the Wrangler and Grand Cherokee, have historically received accolades for off-road capability and utility from various automotive publications and organizations. Specific awards for the 2007 model year would vary by publication and model.