🏷️ Basic Information Identification Make: Jeep Model: Wrangler Years Covered: 2007, 2008, 2009 👋 Introduction Market Position Segment: Compact SUV / Off-Road Vehicle Brand Perception: Iconic off-road capability, ruggedness, and open-air driving experience. Competitive Analysis Competitors Era: Toyota FJ Cruiser, Hummer H3, Nissan Xterra Key Features Design Philosophy: Body-on-frame construction, solid axles (front and rear), removable doors and top for ultimate open-air experience. Target Audience: Off-road enthusiasts, adventure seekers, individuals valuing ruggedness and customization. 📋 Manual Details Coverage Areas Manual Type: Service Repair Manual Language: English Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain (4WD Systems) Chassis: Suspension, Steering, Brakes, Frame Electrical: Wiring Diagrams, Lighting, Power Accessories, Powertrain Control Module (PCM), Body Control Module (BCM) Body And Trim: Interior Components, Exterior Body Panels, Convertible Top System Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Top-offs Diagnostics: Troubleshooting Guides, Symptom-Based Diagnosis, DTC (Diagnostic Trouble Code) Interpretation Repair: Component Removal and Installation, System Overhauls, Component Overhaul Procedures Specifications: Torque Specifications, Clearances, Fluid Capacities, Electrical Specifications Technical Depth Depth: Comprehensive: From routine maintenance and diagnostics to complete component overhauls and system diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable Print Quality: High-resolution, printable pages with clear diagrams and text. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: 3.8L V6 (JKU, JKU Sport, X, Sahara, Rubicon trims) Engine Type: Naturally Aspirated OHV V6 Displacement: 3778 cc (230.5 cubic inches) Bore X Stroke: 96.0 mm x 86.0 mm (3.78 in x 3.39 in) Compression Ratio: 9.1:1 Horsepower: 202 hp @ 5200 rpm Torque: 237 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Regular Gasoline (87 octane recommended) Engine Management ECU: Chrysler NGC (Next Generation Controller) Emissions Control: Catalytic Converter, Secondary Air Injection (on some models) 🔧 Transmission Standard Transmission Type: 6-Speed Manual NSG370 Gear Ratios 1-6: 4.46, 2.41, 1.59, 1.19, 1.00, 0.75 (approximate) Reverse Gear: 4.00 (approximate) Optional Transmission Type: 4-Speed Automatic 42RLE Gear Ratios 1-4: 2.80, 1.57, 1.00, 0.75 (approximate) Transfer Case Type: NV241GHD Command-Trac (2-speed part-time) Low Range Ratio: 2.72:1 Drivetrain Front Axle: Dana 30 Solid Front Axle Rear Axle: Dana 44 Solid Rear Axle (Standard on Rubicon, Optional on others) Axle Ratios: 3.73:1 (Standard), 4.10:1 (Rubicon) Transmission Fluid Manual Fluid Type: Mopar NV T-3500 Synthetic Gear Lubricant (or equivalent SAE 75W-85) Automatic Fluid Type: Mopar ATF+4 (MS-9602) Transfer Case Fluid Type: Mopar NV T-3500 Synthetic Gear Lubricant (or equivalent SAE 75W-85) 📐 Dimensions Exterior Wheelbase: 95.4 inches (2423 mm) Length: 169.2 inches (4300 mm) Width: 73.4 inches (1864 mm) Height: 72.4 inches (1839 mm) Ground Clearance: 10.5 inches (267 mm) Interior Passenger Volume: 91.1 cu ft (2579 L) Cargo Cargo Volume Behind Rear Seat: 13.4 cu ft (380 L) Cargo Volume With Rear Seat Folded: 56.7 cu ft (1606 L) Weights Curb Weight: Approx. 4,000-4,300 lbs (1814-1950 kg) depending on configuration Towing Capacity: 2,000 lbs (907 kg) Dimensions Wheel Bolt Pattern: 5x5 Tire Size Standard: 225/75R16 (X/Sport trims) Tire Size Optional: 255/75R17 (Sahara), 245/75R17 (Rubicon) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 4-star (for 2-door models) Active Features Stability Control: Electronic Stability Control (ESC) Traction Control: Traction Control System (TCS) Braking System: Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD) Off Road Features: Rock-Trac 4WD system (Rubicon), Dana 44 rear axle (Rubicon), electronic locking front and rear differentials (Rubicon), electronic disconnecting front sway bar (Rubicon) Passive Features Airbags: Driver and front passenger airbags Seat Belts: Three-point seat belts with pretensioners Body Structure: High-strength steel frame and body construction 💡 Technology Features Infotainment Audio System: Available SiriusXM Satellite Radio, AM/FM stereo with CD player, MP3 capability, and auxiliary input jack. Navigation: Optional Uconnect Navigation system available on higher trims. Connectivity: Bluetooth connectivity for hands-free calling and audio streaming (optional). Driver Assistance Cruise Control: Standard cruise control Instrument Cluster: Analog gauges with integrated digital information display. 🔧 Maintenance Service Intervals Oil Change: Every 3,000-6,000 miles (5,000-10,000 km) or every 6 months, based on driving conditions (refer to manual for severe vs. normal) Engine Oil Filter: Replace with every oil change Engine Air Filter: Inspect every 15,000 miles (24,000 km), replace as needed. Cabin Air Filter: Inspect every 15,000 miles (24,000 km), replace as needed (if equipped). Transmission Fluid Change: Automatic: Every 100,000 miles (160,000 km) under normal conditions. Manual: Check for leaks, fluid replacement typically only during repair. Coolant Flush: Every 100,000 miles (160,000 km) or 5 years Spark Plugs: Typically 100,000 miles (160,000 km) for platinum/iridium plugs Fluid Specifications Engine Oil Capacity: 5.0 US quarts (4.7 Liters) with filter change Engine Oil Viscosity: 5W-20 (API certified) Coolant Type: Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, Blue Brake Fluid Type: DOT 3 Power Steering Fluid Type: ATF+4 (Mopar) Known Issues Common Wear Items: Clutch wear...
Approx. 4,000-4,300 lbs (1814-1950 kg) depending on configuration
Towing Capacity:
2,000 lbs (907 kg)
Dimensions
Wheel Bolt Pattern:
5x5
Tire Size Standard:
225/75R16 (X/Sport trims)
Tire Size Optional:
255/75R17 (Sahara), 245/75R17 (Rubicon)
🛡️ Safety Features
Ratings
NHTSA Rollover Resistance:
4-star (for 2-door models)
Active Features
Stability Control:
Electronic Stability Control (ESC)
Traction Control:
Traction Control System (TCS)
Braking System:
Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD)
Off Road Features:
Rock-Trac 4WD system (Rubicon), Dana 44 rear axle (Rubicon), electronic locking front and rear differentials (Rubicon), electronic disconnecting front sway bar (Rubicon)
Passive Features
Airbags:
Driver and front passenger airbags
Seat Belts:
Three-point seat belts with pretensioners
Body Structure:
High-strength steel frame and body construction
💡 Technology Features
Infotainment
Audio System:
Available SiriusXM Satellite Radio, AM/FM stereo with CD player, MP3 capability, and auxiliary input jack.
Navigation:
Optional Uconnect Navigation system available on higher trims.
Connectivity:
Bluetooth connectivity for hands-free calling and audio streaming (optional).
Driver Assistance
Cruise Control:
Standard cruise control
Instrument Cluster:
Analog gauges with integrated digital information display.
🔧 Maintenance
Service Intervals
Oil Change:
Every 3,000-6,000 miles (5,000-10,000 km) or every 6 months, based on driving conditions (refer to manual for severe vs. normal)
Engine Oil Filter:
Replace with every oil change
Engine Air Filter:
Inspect every 15,000 miles (24,000 km), replace as needed.
Cabin Air Filter:
Inspect every 15,000 miles (24,000 km), replace as needed (if equipped).
Transmission Fluid Change:
Automatic: Every 100,000 miles (160,000 km) under normal conditions. Manual: Check for leaks, fluid replacement typically only during repair.
Coolant Flush:
Every 100,000 miles (160,000 km) or 5 years
Spark Plugs:
Typically 100,000 miles (160,000 km) for platinum/iridium plugs
Fluid Specifications
Engine Oil Capacity:
5.0 US quarts (4.7 Liters) with filter change
Engine Oil Viscosity:
5W-20 (API certified)
Coolant Type:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, Blue
Brake Fluid Type:
DOT 3
Power Steering Fluid Type:
ATF+4 (Mopar)
Known Issues
Common Wear Items:
Clutch wear (manual transmission), front sway bar links, ball joints, exhaust system components.
Electrical Gremlins:
Occasional reports of intermittent issues with power windows, door locks, and TIPM (Totally Integrated Power Module) failures.
Engine 3.8L:
Known for being somewhat underpowered for its size and weight; lifter tick can be present on some units.
Oil Leaks:
Valve cover gasket leaks can occur with age and mileage.
📚 Vehicle History
Brand Heritage
Lineage:
Direct descendant of the original Willys military Jeep, embodying ruggedness and go-anywhere capability for over 75 years.
Model Evolution
Generation:
JK Generation (introduced for the 2007 model year)
Key Changes Jk:
First Wrangler generation with a unibody (JKU) variant, wider track, improved on-road manners while retaining off-road prowess, introduction of the 3.8L V6 engine.
Production
Manufacturing Location:
Toledo, Ohio, USA
Model Years Produced:
2007-2018 (JK Generation)
🏆 Awards & Recognition
Recognitions
Off Road Capability Awards:
Consistently recognized by off-road publications and enthusiasts for its superior articulation, ground clearance, and 4x4 systems.