🏷️ Basic Information Identification Make: Jeep Model: Wrangler Generation Code: TJ Model Year: 1999 Codes Chassis Code: TJ 👋 Introduction Market Position Segment: Compact Sport Utility Vehicle (SUV) / Off-Road Vehicle Target Audience: Off-road enthusiasts, DIY mechanics, Jeep owners seeking comprehensive service information Competitive Analysis Key Competitors: Toyota 4Runner, Ford Bronco (earlier generations), Suzuki Samurai Unique Selling Proposition: Renowned off-road capability, iconic design, strong aftermarket support, relatively simple mechanicals for the era Key Features Design Philosophy: Rugged, body-on-frame construction, solid axles, removable doors and roof for open-air experience Durability Focus: Engineered for extreme off-road conditions and long-term reliability Manual Value Diy Empowerment: Enables owners to perform a wide range of maintenance and repair tasks, saving on labor costs and ensuring quality 📋 Manual Details Coverage Areas Primary Coverage: Full Service, Repair, Maintenance, Troubleshooting, Diagnostics Secondary Coverage: Chassis, Drivetrain, Engine, Electrical, Body, HVAC, Emissions Page Count Estimated Pages: 1000+ Manual Type Type: Service and Repair Manual Scope: Comprehensive Workshop Manual Language Language: English Format Format: Downloadable Digital Format (PDF) Searchability: Fully Searchable Text Printability: Printable Pages 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission (Manual & Automatic), Transfer Case, Axles, Drivelines Chassis: Suspension (Front & Rear), Steering, Brakes (Front & Rear), Wheels, Tires Electrical: Engine Control Module (ECM), Body Control Module (BCM), Lighting, Gauges, Instrumentation, Audio System, Power Accessories, Ignition System, Charging System, Starter System, SRS (Airbag) System Body And Trim: Body Panels, Doors, Windows, Seats, Interior Trim, Convertible Top, Bumpers, Exterior Trim HVAC And Emissions: Heating, Ventilation, Air Conditioning (HVAC), Evaporative Emission Control (EVAP), Exhaust System Procedures Included Routine Maintenance: Oil Changes, Filter Replacements, Fluid Checks and Top-offs, Tire Rotation, Wiper Blade Replacement Engine Repairs: Tune-ups, Spark Plug Replacement, Ignition Coil Replacement, Fuel Injector Service, Coolant System Service, Timing Belt/Chain Service (if applicable), Head Gasket Repair, Piston/Ring Replacement Transmission And Drivetrain: Clutch Service, Transmission Fluid Change, Transmission Rebuilds, Differential Service, CV Joint Replacement, Driveshaft Repair Brake System: Brake Pad Replacement, Rotor Replacement, Brake Caliper Service, Brake Fluid Flush, ABS System Troubleshooting Suspension And Steering: Shock Absorber/Strut Replacement, Ball Joint Replacement, Tie Rod End Replacement, Power Steering System Service Electrical Diagnostics: Wiring Diagrams, Component Testing, Sensor Diagnosis, Fault Code Retrieval and Interpretation Bodywork And Interior: Panel Replacement, Door Hinge Repair, Window Regulator Replacement, Seat Removal and Installation, Convertible Top Repair Troubleshooting: Diagnostic Flowcharts, Symptom-based Troubleshooting Guides Technical Depth Depth: Complete Professional Level (from basic maintenance to full engine and transmission rebuilds) Diagnostics: Advanced diagnostic procedures, including component testing and wiring schematics Special Tools: Identification and usage of specialized tools required for specific repairs 📊 Manual Specifications File Format Format: PDF Resolution: High-resolution, suitable for clear viewing and printing Compatibility: Compatible with all major PDF readers and devices Print Quality Print Readability: Designed for excellent print quality with clear diagrams and text Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: 4.0L Inline-6 (OHV) - AMC 242 Engine Type: Naturally Aspirated, Overhead Valve (OHV) Displacement: 3957 cc (242 cubic inches) Performance Horsepower Rating: 182 hp @ 4600 rpm Torque Rating: 220 lb-ft @ 3000 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) Engine Management ECU: Powertrain Control Module (PCM) Cooling System Coolant Type: Mopar Antifreeze/Coolant 5/100 (Green, Ethylene Glycol Based) or equivalent Lubrication Oil Type: SAE 10W-30 API Service SG or SH Oil Capacity With Filter: 6.0 US Quarts (5.7 Liters) 🔧 Transmission Standard Transmission Type: NV3550 5-Speed Manual Transmission Optional Transmission Type: 42RE 4-Speed Automatic Transmission Features Transfer Case: NV231 Command-Trac (Part-time, 2.72:1 low range) Fluid Specifications Manual Transmission Fluid: Mopar Manual Transmission Lubricant (or equivalent GL-3/GL-4 rated gear oil) Automatic Transmission Fluid: Mopar ATF+4 (MS-9602) or equivalent ATF specification Transfer Case Fluid: Mopar NV231 Transfer Case Lubricant (or equivalent SAE 75W-90 GL-5 gear oil) 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Length: 151.4 inches (3845 mm) Width Body: 66.5 inches (1689 mm) Height With Hardtop: 71.6 inches (1819 mm) Weights Curb Weight Approx: 3500-3800 lbs (1588-1724 kg) depending on configuration Gross Vehicle Weight Rating Gvwr: 4950 lbs (2245 kg) Wheels And Tires Standard Tire Size: P215/75R15, LT215/75R15 Optional Tire Size: P225/75R16, LT235/75R16 Bolt Pattern: 5x4.5 inches (5x114.3 mm) Wheel Size: 15x8 inch or 16x7 inch 🛡️ Safety Features Ratings NHTSA Rollover Rating: N/A (Often not rated or rated lower due to inherent design) Active Features ABS: Optional Anti-lock Braking System (ABS) on rear wheels, or 4-wheel ABS Passive Features Airbags: Driver and Passenger Airbags (SRS) Seatbelts: 3-point inertia-reel seatbelts Structural Body Construction: Body-on-frame construction with steel chassis and body tub 💡 Technology Features Infotainment Audio System: AM/FM Stereo with Cassette Player standard, Optional CD Player Speakers: 4-speaker system standard Driver Assistance ABS Availability: Optional Connectivity Connectivity Features: Basic connectivity for audio system, no integrated Bluetooth or USB for 1999...