🏷️ Basic Information Identification Make: Jeep Model: Wrangler Model Code: JK Year: 2007-2009 👋 Introduction Market Position Market Segment: Compact SUV, Off-Road Focused Competitive Analysis Key Competitors: Toyota FJ Cruiser, Nissan Xterra, Hummer H3 Key Features Jeep Brand Philosophy: Trail-rated capability, ruggedness, open-air driving Jk Generation Distinctiveness: Introduction of wider track, coil springs on all four wheels, increased interior space compared to TJ generation. Manual Value Proposition: Provides comprehensive DIY repair and maintenance capabilities, reducing reliance on dealerships. 📋 Manual Details Coverage Areas Primary Coverage: Factory Service and Repair Vehicle Variants Covered: All 2007-2009 Jeep Wrangler models Page Count Estimated Page Count: Over 2000 pages Manual Type Manual Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission (Manual & Automatic), Drivetrain (4x4 System), Exhaust Chassis: Suspension, Steering, Brakes, Wheels & Tires Electrical: Body Control Module (BCM), Powertrain Control Module (PCM), Lighting, Audio System, HVAC Controls, Instrument Cluster, Starting/Charging System, Powertrain Management Body: Exterior Body Panels, Interior Trim, Seats, Doors, Windows, Convertible Top System Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Inspections Repair: Component Removal & Installation, Major Overhauls, System Diagnostics Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Wiring Diagrams, Component Testing Special Tools: Identification and usage of specialized Chrysler/Jeep diagnostic and repair tools Technical Depth Depth: Comprehensive (from basic fluid checks to complete engine/transmission rebuilds) 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text content Print Quality Print Quality: High-resolution, printable pages Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Name: Chrysler PowerTech V6 Engine Code: 204ci (3.3L) V6 - EGJ (for early models/export) Engine Code Dominant: 217ci (3.6L) V6 - Pentastar (introduced later in JK generation, but 3.8L is primary for 2007-2009) Engine Code Accurate: 203ci (3.8L) V6 - EGT Performance Horsepower 3 8L: 202 hp @ 5200 rpm Torque 3 8L: 237 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) Cooling System Coolant Type: Mopar OAT (Organic Acid Technology) Antifreeze/Coolant, 5-Year/100,000 Mile Formula (or equivalent HOAT) Engine Management ECU Type: Jericho Powertrain Control Module (PCM) 🔧 Transmission Standard Standard Transmission Type: 6-speed Manual (NSG370) Optional Optional Transmission Type: 4-speed Automatic (42RLE) Features Transfer Case: NV241OR 'Rock-Trac' (Rubicon) or NV140 (Sport/Sahara) Fluid Specifications Manual Transmission Fluid Spec: Mopar Manual Transmission Lubricant (MTX) or equivalent spec like API GL-3/GL-4 Automatic Transmission Fluid Spec: ATF+4 (MS-9602) 📐 Dimensions Exterior Wheelbase 2 Door: 95.4 inches (2423 mm) Wheelbase 4 Door Unlimited: 116 inches (2947 mm) Overall Length 2 Door: 162.1 inches (4117 mm) Overall Length 4 Door Unlimited: 183.4 inches (4658 mm) Weights Curb Weight 2 Door: Approx. 3,800 - 4,100 lbs (1724 - 1860 kg) Curb Weight 4 Door Unlimited: Approx. 4,300 - 4,600 lbs (1950 - 2087 kg) 🛡️ Safety Features Ratings NHTSA Rollover Rating 2 Door: 4 out of 5 stars (2007-2009 models) IIHS Crash Test Results: Varied by year and test, generally 'Good' in frontal offset, but side impact results could be less favorable without optional side airbags. Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Standard Electronic Roll Mitigation (ERM) and Electronic Stability Control (ESC) Passive Features Airbags: Standard front airbags, optional side curtain airbags on some trims. Rollover Protection: Integrated roll bar and reinforced windshield frame. 💡 Technology Features Infotainment Base Audio System: AM/FM CD/MP3 player with 4 speakers. Optional Upgrades: SiriusXM Satellite Radio, Infinity speaker system, Navigation system (rare for these years). Driver Assistance Driver Assistance Features: Limited; primarily focused on ESC, ABS, and optional traction control. No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane keeping assist. Connectivity Connectivity Features: Auxiliary audio input jack (on some models). 🔧 Maintenance Service Intervals Oil Change Interval: Every 6,000 miles or 6 months, whichever comes first (under normal driving conditions). Air Filter Replacement: Every 15,000 miles or 12 months (severe duty may require more frequent replacement). Spark Plug Replacement 3 8L: Approximately every 100,000 miles (refer to manual for specific plug type and gap). Fluid Specifications Engine Oil Capacity 3 8L: 5.0 US quarts (4.7 liters) with filter change (refer to manual for exact capacity). Engine Oil Viscosity: SAE 3.73 (preferred) or SAE 10W-30 (check manual for climate-specific recommendations) Coolant Capacity: Approx. 11.0 US quarts (10.4 liters) for 3.8L V6 (check manual for exact capacity and type). Known Issues Common Issue 1: Oil leaks from valve covers or oil pan gaskets. Common Issue 2: Worn clutch components (manual transmission). Common Issue 3: Water pump leaks. Common Issue 4: Seat belt anchor wear/stretching (especially on soft top models). Common Issue 5: Transmission output shaft seal leaks. 📚 Vehicle History Brand Heritage Jeep Legacy: Established in 1941 with the Willys MB military jeep, renowned for...