🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2001 Codes Chassis Code: TJ 👋 Introduction Market Position Market Segment: Compact SUV, Off-road focused. Competitive Analysis Key Competitors 2001: Toyota RAV4, Honda CR-V, Ford Escape, Suzuki Vitara. Key Features Vehicle Key Features: Iconic off-road capability, removable top and doors, solid front axle (early TJ), robust construction, iconic styling. 📋 Manual Details Coverage Areas Manual Coverage Scope: All workshop procedures, electrical diagrams, diagnostics, repair, maintenance, and disassembly/assembly of all major vehicle systems. Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel delivery, ignition, emissions control, engine electrical, starting and charging. Transmission Drivetrain Systems: Manual transmission (NV3550), automatic transmission (42RLE), transfer case (NP231), driveline, axles (Dana 30 front, Dana 35 rear), hubs. Suspension Steering Brake Systems: Front and rear suspension (solid axles, leaf springs), steering system, brake system (front disc, rear drum), ABS (if equipped). Electrical Body Systems: Body control modules, lighting, power accessories, HVAC, instrument cluster, body and chassis electrical wiring diagrams, interior and exterior trim, bumpers, doors, hood, tailgate. Body And Chassis: Frame inspection and repair, body panel removal and installation, convertible top service, door and tailgate adjustments, bumper service. Procedures Included Maintenance Procedures: Oil and filter change, air filter replacement, spark plug replacement, coolant flush, brake fluid flush, differential fluid change, transfer case fluid change, transmission fluid change, lubrication points. Repair Procedures: Engine rebuilds, transmission overhaul, axle repair, brake component replacement, suspension component replacement, electrical component diagnosis and replacement, body panel repair. Diagnostic Procedures: Troubleshooting charts, fault code interpretation, component testing, wiring harness testing, diagnostic tool usage. Troubleshooting Electrical: Detailed diagnostic flowcharts for common electrical issues, including fuse identification, circuit testing, and component replacement. Wheel And Tire Service: Wheel removal and installation, tire rotation, wheel alignment specifications, lug nut torque specifications. Technical Depth Technical Depth: Comprehensive; covers basic maintenance, advanced diagnostics, detailed component removal, disassembly, repair, reassembly, and installation. Torque Specifications: Extensive torque specifications for all critical fasteners, bolts, and components throughout the vehicle. Wiring Diagrams: Comprehensive and detailed color-coded wiring diagrams for all electrical systems, including engine, transmission, chassis, and body electronics. 📊 Manual Specifications File Format File Format Details: Searchable PDF with high-resolution diagrams and text. Optimized for digital viewing and printing. Print Quality Diagram Quality: High-resolution, clear, and detailed step-by-step diagrams, exploded views, and wiring schematics. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code And Type: 4.0L Inline 6-Cylinder (MPI) Engine Displacement: 3956 cc (241.4 cu. in.) Performance Horsepower: 182 hp @ 4600 rpm Torque: 220 lb-ft @ 3200 rpm Fuel System Fuel Induction: Multi-point Fuel Injection (MPI) Recommended Fuel: 87 Octane Unleaded Gasoline Engine Variants Available Engine Options: 2.5L (150 ci) AMC 15X 4-cylinder (less common for 2001, primarily phased out for 4.0L). 🔧 Transmission Standard Standard Transmission: 5-Speed Manual (NV3550) Optional Optional Transmission: 4-Speed Automatic (42RLE) Features Transfer Case: 2-Speed Part-Time 4WD (NP231 Command-Trac) Fluid Specifications Manual Transmission Fluid: Mopar Manual Transmission Lubricant (or equivalent GL-3/GL-4 75W-90) Automatic Transmission Fluid: ATF+4 (Mopar) Transfer Case Fluid: Mopar NV231 Transfer Case Lubricant (or equivalent ATF+4) 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Length: 160.3 inches (4072 mm) Width: 66.5 inches (1689 mm) Height: 64.7 inches (1643 mm) Weights Curb Weight Approx: 3600-3800 lbs (1633-1724 kg) Gross Vehicle Weight Rating Gvwr Approx: 4900 lbs (2223 kg) Towing Capacity: 2000 lbs (907 kg) (with proper equipment) 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 4 Stars (for models with airbag) NHTSA Frontal Impact Passenger: 4 Stars (for models with airbag) Active Features ABS: Optional (standard on some later production models) Passive Features Airbags: Driver and Passenger Frontal Airbags (standard) Rollover Protection: Factory-installed sport bar with integral roll cage structure. 💡 Technology Features Infotainment Audio System: AM/FM stereo with CD player (optional) or cassette player. Basic speaker configuration. Driver Assistance Cruise Control: Available on higher trim levels. Power Accessories: Power windows and door locks were optional or part of higher trim packages. Connectivity Connectivity Features: Limited by modern standards; primarily basic audio and optional power accessories. 🔧 Maintenance Service Intervals Oil And Filter Change Interval: Every 5,000-7,500 miles or 6 months, whichever comes first (depending on driving conditions and oil used). Engine Coolant Change Interval: Every 30,000-50,000 miles or 2-3 years. Spark Plug Replacement Interval: Approximately 100,000 miles (with platinum or iridium plugs). Fluid Specifications Engine Oil Specification: SAE 10W-30 API SG or higher (check owner's manual for specific recommendations). Engine Oil Capacity: 5.8 quarts (5.5 liters) with filter for 4.0L. Coolant Specification: Mopar Antifreeze/Coolant (HOAT) 50/50 mix with distilled water. Differential Fluid Specifications: API GL-5 75W-90 (front and rear differentials). Known Issues Common Wear Items: Worn steering box, failing water...