🏷️ Basic Information Identification Make: Jaguar Model: XJ6 Year: 1990 Generation Generation Name: XJ40 Codes Chassis Code: XJ40 👋 Introduction Market Position Vehicle Segment: Full-size Luxury Sedan Target Audience: Affluent buyers seeking refined comfort, elegant styling, and refined performance. Competitive Analysis Key Competitors: Mercedes-Benz W124 E-Class, BMW E32 7 Series, Audi V8 Quattro, Rolls-Royce Silver Spirit Key Features Distinctive Attributes: Classic Jaguar styling, refined ride quality, powerful straight-six engine, sophisticated interior appointments, advanced (for its time) features like ABS and self-leveling rear suspension. Manual Value Proposition: Provides comprehensive, official technical information essential for maintaining and repairing the 1990 Jaguar XJ6, enabling cost-effective ownership and preservation of the vehicle's classic status. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Software Language: English Format: Software/Digital Page Count Estimated Pages: Extensive (digital format, equivalent to a multi-volume printed set) 📖 Manual Coverage Systems Covered Powertrain: Engine (including diagnosis, overhaul, and component specifics), Transmission (automatic), Drivetrain (rear-wheel drive system, propshaft, differential) Chassis: Suspension (front and rear independent, self-leveling rear suspension details), Steering (power steering system), Brakes (ABS, hydraulic system, pad/disc replacement, fluid changes) Electrical: Complete Wiring Diagrams, Engine Management System (ECU, sensors, actuators), Ignition System, Fuel Injection System, Lighting System, Instrument Cluster, HVAC Controls, Power Accessories (windows, locks, seats), Audio System, Security System Body: Exterior Body Panels, Doors, Hood, Trunk, Bumpers, Glass, Seals, Interior Trim, Seats, Headliner, HVAC Ducting Procedures Included Maintenance: Scheduled Maintenance Intervals, Oil and Filter Changes, Fluid Checks and Replacements (coolant, brake fluid, power steering fluid, transmission fluid), Air Filter Replacement, Spark Plug Replacement, Belt Inspection and Replacement Repair: Engine Overhaul, Cylinder Head Gasket Replacement, Fuel Pump Replacement, Water Pump Replacement, Radiator Replacement, Alternator Replacement, Starter Motor Replacement, Brake Caliper Rebuild, Wheel Bearing Replacement, Suspension Component Replacement (bushings, ball joints, shock absorbers), Door Lock Actuator Repair, Window Regulator Repair, Heater Core Replacement Diagnostics: Troubleshooting Flowcharts for Common Issues, Diagnostic Trouble Codes (DTCs) interpretation (where applicable for the era), Sensor Testing, Actuator Testing, Wiring Harness Continuity Testing Technical Depth Depth: Comprehensive: Covers routine maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures and electrical system schematics. Suitable for professional technicians and experienced DIY enthusiasts. 📊 Manual Specifications File Format File Type: Proprietary Software (likely executable or interactive PDF) Print Quality Digital Resolution: High-resolution graphics, diagrams, and schematics suitable for screen viewing and printing. Binding Type Binding: N/A (Digital Software) Paper Type Paper Quality: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Code: AJ6 (Aluminum 6-cylinder) Configuration: Inline 6-cylinder Displacement: 3.6 Liters (3590 cc) Bore X Stroke: 91 mm x 92 mm Compression Ratio: 9.5:1 Valve Train: DOHC, 4 valves per cylinder Performance Horsepower: Approx. 220 hp @ 5500 rpm Torque: Approx. 243 lb-ft @ 3000 rpm Fuel System Injection Type: Bosch L-Jetronic Fuel Injection (later models may use different Bosch systems) Fuel Type: Unleaded Premium Gasoline (91 Octane or higher recommended) Cooling System Coolant Type: Ethylene Glycol based coolant (e.g., Jaguar recommended mixture) 🔧 Transmission Standard Transmission Type: ZF 4HP22 EH 4-Speed Automatic Optional Optional Transmission: Rarely, manual transmissions may have been fitted in specific markets, but the 4HP22 EH was dominant. Features Transmission Features: Electronic control for shift points, torque converter lock-up. Fluid Specs Transmission Fluid Type: Dexron III (or equivalent specification for the ZF 4HP22 EH) 📐 Dimensions Exterior Length: Approx. 196.4 inches (4988 mm) Width: Approx. 70.2 inches (1783 mm) Height: Approx. 53.1 inches (1350 mm) Wheelbase: Approx. 113 inches (2870 mm) Weights Curb Weight: Approx. 3900 - 4100 lbs (1769 - 1860 kg) 🛡️ Safety Features Ratings NHTSA Ratings: Data for this era is generally not comparable to modern standards. Focus was on occupant protection through structural design. Active Features ABS: Standard Anti-lock Braking System (Teves ABS) Traction Control: Not typically available on this model year XJ6. Passive Features Airbags: Driver-side airbag standard. Passenger airbag not typically standard for 1990 model year. Seatbelts: Three-point inertia-reel seatbelts in front and rear. 💡 Technology Features Infotainment Audio System: Typically a premium cassette player with AM/FM radio, often with sought-after 6-speaker system and amplifier. Navigation: Not available on this model year. Driver Assistance Cruise Control: Standard electronic cruise control. Parking Sensors: Not available on this model year. Connectivity Bluetooth: Not available on this model year. Comfort Features Seats: Power-adjustable front seats with memory for driver, heated seats often optional. Climate Control: Automatic climate control with air conditioning. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months, whichever comes first (using synthetic oil is recommended for modern use). Transmission Fluid Change: Check per manufacturer recommendation, typically around 30,000-60,000 miles or as per manual, especially with heavy use. Coolant Flush Interval: Every 24,000 miles or 2 years. Fluid Specifications Engine Oil Viscosity: 10W-40 or 20W-50 (depending on climate, 10W-40 is common for general use) Engine Oil Capacity: Approx. 6.5 Liters (with filter) Brake...