🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2012 Codes Internal Model Code: JK 👋 Introduction Market Position Segment: Compact/Mid-size SUV, Off-road Vehicle Target Audience: Off-road enthusiasts, Jeep owners seeking to perform their own maintenance and repairs, professional mechanics. Competitive Analysis Key Competitors: Toyota 4Runner, Nissan Xterra, Ford Bronco (historically), Land Rover Defender (historically). Key Features Unique Selling Points: Iconic off-road capability, rugged design, convertible top/removable doors, strong aftermarket support. Manual Value Proposition: Empowers owners to maintain and repair their vehicle, saving on labor costs and ensuring proper upkeep of its robust systems. 📋 Manual Details Coverage Areas Engine Variants Covered: 3.6L Pentastar V6 Transmission Variants Covered: 6-speed Manual (NSG370), 5-speed Automatic (W5A580) Chassis Types Covered: 2-Door (JK), 4-Door Unlimited (JKU) Page Count Estimated Page Count: Approximately 3000+ pages (typical for comprehensive workshop manuals) Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (3.6L Pentastar), cooling system, exhaust system, fuel system, ignition system, lubrication system, starting and charging system. Transmission Drivetrain: Manual transmission (NSG370), Automatic transmission (W5A580), transfer case (NV241OR/Rock-Trac), drive shafts, axles (Dana 30 front, Dana 44 rear), differentials. Suspension Steering: Front and rear suspension (solid axles, coil springs, shock absorbers, control arms), steering system (power steering pump, steering gear, tie rods). Brakes: Front and rear disc brakes, ABS, electronic brake force distribution (EBD), parking brake. Electrical Electronics: Battery, starter, alternator, wiring diagrams, fuses, relays, lighting systems, instrument cluster, body control module (BCM), powertrain control module (PCM), diagnostic trouble codes (DTCs). Body Chassis: Frame, body panels, doors, hood, windshield, bumpers, interior trim, seats, convertible top system, hardtop removal/installation. HVAC: Heating, ventilation, and air conditioning system components and service. Procedures Included Maintenance: Oil changes, filter replacements (oil, air, cabin), fluid checks and top-offs, tire rotations, brake inspections. Repair: Engine overhaul, transmission rebuild, differential service, brake caliper replacement, suspension component replacement, electrical component diagnosis and repair, body panel repair. Diagnostics: Troubleshooting common problems, reading diagnostic trouble codes (DTCs), using diagnostic scan tools, symptom-based diagnostics. Troubleshooting: Detailed diagnostic flowcharts and procedures for various systems and components. Technical Depth Depth: Comprehensive, covering everything from basic maintenance and fluid changes to complete engine and transmission rebuilds, complex electrical diagnostics, and body repair. 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text content Print Quality Print Readability: High-resolution images and diagrams for clear reproduction Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: EGR (3.6L Pentastar) Engine Type: 3.6L V6 DOHC 24-valve MPI Performance Horsepower Peak: 285 hp @ 6400 rpm Torque Peak: 260 lb-ft @ 4800 rpm Bore X Stroke: 3.72 in x 3.37 in (94.5 mm x 85.6 mm) Compression Ratio: 10.2:1 Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (MS-6395 compliant) Engine Oil Capacity: 6.0 US quarts (5.7 liters) with filter change 🔧 Transmission Standard Transmission Type Standard: 6-Speed Manual (NSG370) Optional Transmission Type Optional: 5-Speed Automatic (W5A580) Features Transfer Case: Command-Trac NV241OR (Part-time, 2-speed, ratio 2.72:1) or optional Rock-Trac NV241OR (Part-time, 2-speed, ratio 4.0:1) on Rubicon models. Fluid Specifications Manual Transmission Fluid Type: Mopar Manual Transmission Lubricant (MS-9224) or equivalent API GL-3 Automatic Transmission Fluid Type: ATF+4 (MS-9602) 📐 Dimensions Exterior Wheelbase 2Dr: 95.4 inches (2423 mm) Wheelbase 4Dr: 116.0 inches (2947 mm) Length 2Dr: 160.0 inches (4064 mm) Length 4Dr: 183.6 inches (4663 mm) Width Excluding Mirrors: 73.7 inches (1872 mm) Weights Curb Weight 2Dr Manual: 4,079 lbs (1,850 kg) Curb Weight 4Dr Auto: 4,556 lbs (2,066 kg) 🛡️ Safety Features Ratings NHTSA Rollover Rating: 4/5 stars (for 2-door models) IIHS Crash Test Ratings: Good (varies by specific test and year, 2012 models often scored well in frontal offset). Active Features Electronic Stability Control: Standard (ESC with electronic roll mitigation - ERM) Traction Control: Standard (TCS) Passive Features Airbags: Front airbags, available side curtain airbags (on some models/trims). Seatbelts: 3-point front and rear seat belts, pretensioners. 💡 Technology Features Infotainment Infotainment Options: Uconnect systems ranging from basic radio with CD/MP3 to touchscreen navigation systems, SiriusXM Satellite Radio. Driver Assistance Available Features: Hill Start Assist (HSA), Hill Descent Control (HDC), Electronic Stability Control (ESC) with Roll Mitigation. Connectivity Connectivity Options: Auxiliary audio input, USB ports (on higher trims), Bluetooth streaming and hands-free calling. 🔧 Maintenance Service Intervals Oil Change Interval: Every 6,000-8,000 miles (9,500-13,000 km) or 6 months, whichever comes first (severe usage may require more frequent changes). Engine Air Filter Replacement: Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on driving conditions. Cabin Air Filter Replacement: Every 15,000-20,000 miles (24,000-32,000 km). Transmission Fluid Change Automatic: Every 60,000-100,000 miles (96,000-160,000 km) as per severe service schedule. Transfer Case Fluid Change: Every 30,000-60,000 miles (48,000-96,000 km). Fluid Specifications Coolant Type:...