🏷️ Basic Information Identification Make: Jeep Model: Wrangler Years Covered: 2013, 2014, 2015, 2016 Generation Current Generation Code: JK Codes Vin Prefix: 1J4 👋 Introduction Market Position Segment: Compact SUV / Off-Road Vehicle Unique Selling Proposition: Unparalleled off-road capability, iconic design, and robust construction. Competitive Analysis Key Competitors: Toyota FJ Cruiser (discontinued), Land Rover Defender (older models), Ford Bronco (newer models), Nissan Xterra (discontinued) Key Features Off Road Systems: Command-Trac (NV241 GII) or Rock-Trac (NV241 OHD) 4x4 systems, Dana 30 front axle, Dana 44 rear axle (standard on Rubicon), electronic locking differentials (Rubicon), electronic sway bar disconnect (Rubicon), skid plates. Body Styles: 2-door (JK) and 4-door Unlimited (JKU) Powertrain Philosophy: Emphasis on durability and low-end torque for off-road performance. 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Global (technical specifications are generally universal) Page Count Estimated Pages: Extensive (Typically 2000+ pages for a complete workshop manual) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable (typically PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (3.6L Pentastar V6), Transmission (manual & automatic), Transfer Case, Drivetrain (4x4 systems) Chassis: Suspension (front & rear solid axles, coil springs), Steering (power steering), Brakes (ABS, vented discs), Wheels & Tires Electrical: Battery, Charging System, Starting System, Lighting, Instruments & Gauges, Body Control Module (BCM), Powertrain Control Module (PCM), HVAC Controls, Audio System, Safety Systems (Airbags, ABS) Body And Trim: Exterior Body Panels, Interior Trim, Doors, Windows, Seats, Convertible Top (if applicable), Bumpers Procedures Included Maintenance: Fluid changes (oil, coolant, brake, transmission), Filter replacements, Lubrication, Inspections Troubleshooting: Diagnostic procedures, Symptom-based troubleshooting, DTC (Diagnostic Trouble Code) interpretation Repair And Rebuild: Engine assembly/disassembly, Transmission overhaul, Suspension component replacement, Brake system repairs, Electrical component diagnosis and replacement Special Procedures: Wheel alignment, Air conditioning system service, Fuel system diagnostics, Emission control system repairs Technical Depth Depth: Comprehensive (from basic fluid checks to full engine rebuilds and complex diagnostics) Detail Level: Detailed step-by-step instructions, torque specifications, wiring diagrams, diagnostic flowcharts 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text (crucial for efficient information retrieval) Print Quality Image Resolution: High-resolution images and diagrams Scalability: Scalable for clear viewing of fine details Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: 3.6L Pentastar V6 (24-valve, SOHC) Engine Displacement: 3604 cc (220 cubic inches) Performance Horsepower: 285 hp @ 6,400 rpm Torque: 260 lb-ft @ 4,800 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Engine Management Ignition System: Distributorless Ignition System (DIS) with ignition coil-on-plug Emission Controls: Catalytic Converters, On-Board Diagnostics (OBD-II) 🔧 Transmission Standard Manual Transmission: NSG370 (6-speed manual) Optional Automatic Transmission: W5A580 (5-speed automatic) Features Transfer Case: NV241 GII (Command-Trac) or NV241 OHD (Rock-Trac, Rubicon only) Fluid Specifications Manual Transmission Fluid: Mopar Manual Transmission Lubricant (MS-9224) or equivalent (e.g., Pennzoil Synchromesh) Automatic Transmission Fluid: Mopar ATF+4 (MS-9602) or equivalent 📐 Dimensions Exterior Wheelbase 2 Door: 95.4 inches (2423 mm) Wheelbase 4 Door: 116.0 inches (2946 mm) Ground Clearance: Variable based on tire size and trim, typically 10+ inches Cargo Cargo Volume 2 Door: 17.5 cu ft (behind rear seat), 55.0 cu ft (max) Cargo Volume 4 Door: 31.5 cu ft (behind rear seat), 70.6 cu ft (max) Weights Curb Weight 2 Door: 4,100 - 4,300 lbs (approx.) Curb Weight 4 Door: 4,300 - 4,600 lbs (approx.) 🛡️ Safety Features Ratings NHTSA Rollover Rating: 4 out of 5 stars (typical for JK generation) Active Features Stability Control: Electronic Stability Control (ESC) with Hill Start Assist and Electronic Roll Mitigation Traction Control: Traction Control System (TCS) Braking System: Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD) Passive Features Airbags: Front advanced multi-stage airbags, available side curtain airbags (later models) Seatbelts: 3-point seat belts with pretensioners 💡 Technology Features Infotainment Head Unit Options: Uconnect systems with touchscreens, SiriusXM Satellite Radio, Bluetooth connectivity, available navigation. Audio System Options: Standard 8-speaker system, optional premium Alpine system. Driver Assistance Assistance Features: Hill Start Assist (standard), Trailer Sway Control (standard). Connectivity Connectivity Features: USB ports, Aux input, Bluetooth hands-free calling and audio streaming. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 miles or 12 months, whichever comes first (under normal driving conditions) Tire Rotation: Every 7,500 miles Engine Coolant Flush: Every 100,000 miles or 10 years Fluid Specifications Engine Oil Type: SAE 5W-30 (API SN certified, synthetic recommended) Engine Oil Capacity: 5.5 quarts (5.2 liters) with filter change Coolant Type: Mopar Antifreeze/Coolant (MS-9769) or equivalent (OAT, Orange) Brake Fluid Type: DOT 3 Known Issues Common Wear Items: Ball joints, tie rod ends, sway bar links, clutch wear (manual transmission), rear main seal leaks (Pentastar V6). Electrical Gremlins: Can be susceptible to water intrusion affecting modules if not properly sealed, especially after modifications. Pentastar V6 Issues: Some early Pentastar models experienced oil cooler...