🏷️ Basic Information Identification Make: Jaguar Model: XJ40 Year: 1990 Codes Chassis Code: XJ40 👋 Introduction Market Position Target Audience: Vehicle owners, DIY mechanics, professional technicians Competitive Analysis Vs Generic: Explicitly stated as 'NOT GENERIC REPAIR INFORMATION! IT IS VEHICLE SPECIFIC.' Key Features Convenience: Single, easy-to-use PDF; print only needed pages; no more greasy or lost paper manuals Accuracy: Exact same manual used by dealership technicians Content Quality: Complete step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Scope: All Models & All Repairs A-Z Page Count Estimated Page Count: Extensive (specific number not provided, but described as comprehensive) Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine: Includes detailed sections on Engine, Lube, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling Transmission: Covers Auto Transmission Clutch, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension Brakes: Includes Brake Control, Brake, Parking Brake Electrical: Detailed coverage of Ignition Starting Charging, Electrical, Multiplex/Can Communication Body Chassis: Covers Steering Column, Power Steering, Tire & Wheel, Exterior & Interior, Engine Hood/ Door, Windshield/Glass Mirror, Instrument Panel, Seat Comfort Convenience: Includes Air Condition, Suppl Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter Audio/Visual, Horn Procedures Included Maintenance: Comprehensive maintenance procedures and schedules Repair: Step-by-step repair instructions for all major vehicle systems Diagnostics: Diagnostic procedures for troubleshooting and identifying faults Schematics: Includes wiring schematics and diagrams Technical Depth Depth: Factory high-detail, specific to dealership technicians, covering complete repair and service 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within PDF (implied by electronic format) Print Quality Printable: Yes, all pages printable Enlargement: Images can be blown up and printed enlarged Binding Type Binding: N/A (Digital PDF format) Paper Type Paper: N/A (Digital PDF format) Compatibility Operating Systems: Windows Vista (32 & 64), XP, ME, 98, NT, 2000, and Mac Required Software: Adobe PDF Reader and Winzip ⚙️ Engine Specifications Primary Engine Engine Type: Inline-6 Cylinder (AJ6) and V12 (pre-'92 models also covered implicitly, though 1990 primarily means AJ6) Engine Type Displacement L6: 3.6L (early) and 4.0L (later) Displacement V12: 5.3L (typically found in earlier XJ-S but some potential overlap or context for V12 if manual is broad) Performance Horsepower 4.0L: Approximately 200-220 hp (depending on specific tune and market) Torque 4.0L: Approximately 250-270 lb-ft (depending on specific tune and market) Fuel System Fuel Delivery: Fuel Injection (Bosch L-Jetronic or similar systems) Fuel Type: Unleaded Gasoline (Premium recommended) 🔧 Transmission Standard Type Standard: ZF 4HP22 4-speed Automatic Optional Type Optional: No manual transmission option available for 1990 XJ40 in most markets. Features Automatic Features: Electronic control, torque converter lock-up Fluid Specifications Automatic Transmission Fluid: Dexron II (or equivalent specified by Jaguar) 📐 Dimensions Exterior Length: Approximately 197.4 inches (5014 mm) Width: Approximately 70.5 inches (1791 mm) Height: Approximately 53.5 inches (1359 mm) Weights Curb Weight: Approximately 3900-4200 lbs (1769-1905 kg) Wheelbase: Approximately 113 inches (2870 mm) 🛡️ Safety Features Ratings Crash Test Data: Limited publicly available official ratings for this era and vehicle type; manual would provide internal Jaguar specifications and procedures for safety systems. Active Features ABS: Anti-lock Braking System (ABS) standard on most models Passive Features Airbags: Driver's airbag standard, passenger airbag optional on some later models Seat Belts: Front and rear seat belts, pretensioners for front belts 💡 Technology Features Infotainment Audio System: Factory fitted radios (often Clarion or Blaupunkt), cassette player, optional CD changer. Driver Assistance Cruise Control: Standard on most models of this era. Connectivity Multiplex Communication: Early forms of multiplexing for certain systems (e.g., 'Multiplex/Can Communication' mentioned in coverage) 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000-5,000 miles or 6 months, refer to manual for exact schedule Transmission Fluid Change: Recommended every 30,000-60,000 miles, check manual Coolant Change: Every 2 years or specified mileage Fluid Specifications Engine Oil: API SG, SAE 10W-40 or 10W-30 (check manual for specific ambient temperature recommendations) Coolant: Jaguar specification coolant (Ethylene Glycol based, typically green or long-life pink/blue if updated) Brake Fluid: DOT 3 or DOT 4 Known Issues Electrical Gremlins: Known for complex wiring issues, particularly with the JEC (Jaguar Electronic Control) system and self-leveling suspension components. Corrosion: Susceptible to rust, especially around wheel arches, sills, and the bulkhead. Cooling System: Potential for radiator leaks and water pump issues over time. 📚 Vehicle History Brand Heritage Brand: Jaguar Cars (UK) Model Evolution Generation: XJ40 (Second generation Jaguar XJ) Production Start: 1986 Production End: 1994 Production Key Design Features: Monocoque chassis, independent rear suspension, distinctive rounded styling 🏆 Awards & Recognition Recognitions Model Accolades: The XJ40 was generally well-received for its styling and luxury, though its initial launch was marred by some reliability concerns that the manual aims to help owners...