🏷️ Basic Information Identification Make: Jeep Model: Wrangler Model Generation: JK Model Years Covered: 2011, 2012 Codes Chassis Code: JK 👋 Introduction Market Position Target Audience: Jeep Wrangler JK owners, DIY enthusiasts, independent repair shops, professional technicians Competitive Analysis Value Proposition: Provides comprehensive, factory-level repair information at a fraction of dealership costs, enabling independent maintenance and repair. Key Features Feature 1: Full factory-spec coverage for all repairs and servicing. Feature 2: Detailed step-by-step instructions with visual aids (photos, diagrams). Feature 3: Lifetime access and usability on multiple devices. Feature 4: Enables cost savings on maintenance and repairs. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive factory service and repair Page Count Estimated Page Count: Hundreds (specific count not provided, but indicated as extensive) Manual Type Type: Workshop Manual / Service & Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel, ignition, emission control, starting, charging Transmission Systems: Manual transmission, automatic transmission, transfer case, driveline Chassis Systems: Suspension (front and rear), steering, wheels, tires, brakes (hydraulic and parking) Electrical Systems: Battery, charging system, starting system, lighting, instruments, body electrical, power distribution, comfort and convenience, security, audio systems, infotainment (as applicable to model year) Body Systems: Body construction, exterior trim, interior trim, doors, windows, roof systems, seats, HVAC system Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, inspections Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) Repair Procedures: Step-by-step instructions for component removal, installation, and overhaul Adjustment Procedures: Wheel alignment, parking brake adjustment, clutch adjustment (if applicable) Technical Specs And Data: Torque specifications, clearances, fluid capacities, electrical schematics, component identification Technical Depth Depth: Professional-level, suitable for advanced DIY and professional mechanics Detail Level: Highly detailed, including hundreds of pages with detailed photos and diagrams Diagrams And Illustrations: Exploded diagrams, wiring schematics, component illustrations 📊 Manual Specifications File Format File Type: PDF Compatibility: Windows and macOS Print Quality Printability: Printable (single pages or entire manual) Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Licensing Usage License: Lifetime use, no expiry, no renewal fees Device Compatibility: Unlimited devices (computers, tablets, smartphones) ⚙️ Engine Specifications Primary Engine Engine Code Common: 3.6L Pentastar V6 (GPEC2) Engine Displacement: 3.6 Liters (220 cubic inches) Engine Configuration: V6 (90-degree bank angle) Engine Valvetrain: Dual Overhead Camshafts (DOHC), 4 valves per cylinder, Variable Valve Timing (VVT) Performance Horsepower Approx: 285 hp @ 6400 rpm Torque Approx: 260 lb-ft @ 4800 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline Fuel Octane Rating: 87 octane recommended Engine Management ECU Common Name: GPEC2 (Gasoline Power Engine Controller 2) 🔧 Transmission Standard Standard Transmission: 6-Speed Manual Transmission (NSG 370) Optional Optional Transmission: 5-Speed Automatic Transmission (W5A580) Features Transfer Case Type: Command-Trac NV241 G (Part-time, 2-speed, 4WD system) Transfer Case Control: Manual lever operation 📐 Dimensions Exterior Wheelbase 2 Door: 95.4 inches (2423 mm) Wheelbase 4 Door Unlimited: 116.0 inches (2947 mm) Ground Clearance Approx: 10.1 inches (257 mm) Weights Curb Weight 2 Door Approx: 4070 lbs (1846 kg) Curb Weight 4 Door Unlimited Approx: 4450 lbs (2018 kg) 🛡️ Safety Features Ratings NHTSA Rollover Rating 2 Door: 4 out of 5 stars (2011-2012) NHTSA Rollover Rating 4 Door: 5 out of 5 stars (2011-2012) Active Features Electronic Stability Control: Standard (includes Electronic Roll Mitigation, Traction Control) Antilock Brakes: Standard (4-wheel disc ABS) Passive Features Airbags: Front airbags, front side-mounted airbags Seatbelts: Front and rear three-point seat belts 💡 Technology Features Infotainment Infotainment System Options: Base Uconnect systems with AM/FM radio, CD player, auxiliary input. Optional SiriusXM satellite radio, navigation, and upgraded speaker systems available. Driver Assistance Driver Assistance Features: Limited; primarily ABS, ESC, Traction Control. No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane keeping assist were standard. Connectivity Connectivity Options: Auxiliary audio input jack. Bluetooth connectivity became more prevalent in later JK iterations, but may not be standard on all 2011-2012 models. 🔧 Maintenance Service Intervals Oil Change Interval: Every 6,000-7,500 miles or 6-12 months, whichever comes first (refer to manual for specific oil type and conditions) Tire Rotation Interval: Every 6,000-7,500 miles Engine Air Filter Replacement: As needed, typically inspected every 15,000 miles and replaced when dirty. Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (API SN certified, Chrysler MS-6395) Engine Oil Capacity: 6.1 quarts (5.8 liters) Transmission Fluid Automatic: ATF+4 (MS-9602) Transmission Fluid Manual: SAE 75W-90 Synthetic Gear Lubricant (API GL-3 or GL-4) Transfer Case Fluid: Mopar NV241G Transfer Case Fluid or equivalent SAE 5W-30 Synthetic Coolant Type: Mopar OAT (Organic Additive Technology) 5-Year Coolant or equivalent (HOAT with silicate protection) Known Issues Clutch Wear: Early models (pre-Pentastar) could experience clutch wear; Pentastar clutch systems are generally more robust but can still require attention. Death Wobble: A phenomenon related to steering stabilizer...