🏷️ Basic Information Identification Make: Jeep Model: Wrangler Generation: TJ Year: 1997 Codes Chassis Code: TJ 👋 Introduction Market Position Segment: Compact SUV / Off-Road Vehicle Jeep Legacy: Continuation of the iconic Jeep off-road heritage Competitive Analysis Competitors: Toyota 4Runner, Ford Bronco (earlier generations), Nissan Pathfinder Key Features Chassis Design: Body-on-frame construction, coil spring suspension (a significant upgrade from YJ's leaf springs) Off Road Capability: Solid axles, excellent approach/departure angles, selectable 4WD, optional limited-slip differentials Design Philosophy: Simple, rugged, utilitarian, focused on off-road performance and open-air driving 📋 Manual Details Coverage Areas Coverage Breadth: Comprehensive service, repair, maintenance, and restoration Page Count Estimated Page Count: 1000+ Manual Type Type: Full Service & Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: 4.0L Inline 6-Cylinder (242 ci) 'Power Tech' OHV Engine Management: Ignition system, fuel injection system (MPI), emissions controls, diagnostic trouble codes (DTCs) Transmission Manual: AX-15 (4-speed automatic) and NV3550 (5-speed manual) Transmission Automatic: 42RLE (4-speed automatic) Transfer Case: NV231 (Command-Trac) part-time, single-speed transfer case Drivetrain Axles: Dana 30 front axle, Dana 35 rear axle (standard), optional Dana 44 rear axle Suspension: Front and rear solid axles with coil springs, heavy-duty shock absorbers Steering: Power steering system, steering gearbox, steering linkage Brakes: Front disc brakes, rear drum brakes (standard), ABS system details Electrical System: 12V negative ground system, battery, alternator, starter, lighting, wiring diagrams Body And Chassis: Body panel removal/installation, frame inspection, interior trim, exterior components Climate Control: HVAC system, heater core, A/C compressor, refrigerant system Safety Systems: Airbags (driver and passenger), seatbelt systems Procedures Included Maintenance Routine: Oil changes, fluid checks/changes, filter replacements, lubrication, tire rotation Engine Repair: Engine overhaul, cylinder head repair, piston/ring replacement, camshaft service Transmission Service: Transmission fluid change, clutch replacement, transmission rebuild Drivetrain Repair: Axle disassembly/assembly, differential service, driveline angle adjustments Suspension Service: Shock absorber replacement, coil spring replacement, ball joint service, control arm bushings Brake System Repair: Brake pad/shoe replacement, rotor/drum resurfacing, brake line replacement, bleeding procedures Electrical Diagnostics: Troubleshooting electrical faults, wiring harness repair, component testing Body Repair: Dent repair, panel replacement, rust prevention and repair, door/hood/tailgate adjustments Troubleshooting Guides: Systematic diagnostic procedures for common and uncommon issues Rebuilding Procedures: Detailed instructions for engine, transmission, and axle rebuilding Restoration Tips: Guidance for refurbishing and restoring classic TJ models Technical Depth Depth: Extremely detailed, suitable for professional mechanics and advanced DIY enthusiasts Diagnostic Capability: Includes diagnostic trouble codes (DTCs), sensor data interpretation, and circuit testing Specifications Data: Torque specifications, clearance measurements, fluid capacities, electrical resistance values Wiring Diagrams: Comprehensive, color-coded wiring diagrams for all electrical systems Illustration Quality: Detailed diagrams, exploded views, and photographic illustrations 📊 Manual Specifications File Format Digital Format: Searchable PDF Print Quality Printability: Printable pages Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: ERH Engine Type: 4.0L (3952cc) Inline 6-Cylinder, Overhead Valve (OHV) Bore X Stroke: 3.875 in x 3.580 in (98.4 mm x 90.9 mm) Compression Ratio: 8.8:1 Performance Horsepower: 181 hp @ 4,700 RPM Torque: 222 lb-ft @ 3,200 RPM Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Multi-Point Injection (MPI) Fuel Type: Unleaded gasoline (87 octane recommended) Fuel Tank Capacity: 19.0 US gallons (71.9 L) 🔧 Transmission Standard Type: NV3550 5-Speed Manual Transmission Optional Type: 42RLE 4-Speed Automatic Transmission Features Manual Gear Ratios: 1st: 4.01, 2nd: 2.32, 3rd: 1.40, 4th: 1.00, 5th: 0.79, Reverse: 3.57 Automatic Gear Ratios: 1st: 2.74, 2nd: 1.45, 3rd: 1.00, 4th: 0.69, Reverse: 2.10 Manual Clutch Type: Hydraulically actuated, dry single plate 📐 Dimensions Exterior Wheelbase: 93.4 inches (2,372 mm) Length: 151.3 inches (3,843 mm) Width: 66.5 inches (1,689 mm) Height: 71.0 inches (1,803 mm) (soft top) Ground Clearance: 10.2 inches (259 mm) Weights Curb Weight: Approx. 3,400-3,600 lbs (1,542-1,633 kg) Gross Vehicle Weight Rating Gvwr: Approx. 4,500 lbs (2,041 kg) Cargo Cargo Volume Behind Rear Seat: 43.4 cubic feet (1,229 L) Cargo Volume With Rear Seat Folded: 69.2 cubic feet (1,959 L) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3-star (typical for this era/type of vehicle) Active Features ABS: Optional Anti-lock Braking System (ABS) - typically on rear wheels only for 1997 Passive Features Airbags: Driver and passenger front airbags Seatbelts: Three-point seatbelts (front), two-point seatbelts (rear) 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette or optional CD player. Basic speaker configuration. Driver Assistance Cruise Control: Available on some trim levels Connectivity Connectivity Features: Minimal by modern standards; typically features for power accessories and basic audio. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 6 months, whichever comes first (refer to manual for specific oil type) Air Filter Replacement: Every 15,000-30,000 miles or as needed based on driving conditions Spark Plug Replacement: Every 30,000-60,000 miles (depending on plug type) Transmission Fluid Change: Manual: Inspect fluid condition annually, change as needed....