🏷️ Basic Information Identification Make: Jaguar Model: XJ40 Year: 1987 Generation Generation Code: XJ40 Codes Chassis Code: XJ40 👋 Introduction Market Position Market Position: Premium luxury sedan, competing with brands like Mercedes-Benz S-Class, BMW 7 Series, and Rolls-Royce Silver Spirit/Spirit of Ecstasy during its era. Competitive Analysis Key Competitors: Mercedes-Benz W126 S-Class, BMW E32 7 Series, Audi V8, Rolls-Royce Silver Spirit. Key Features Unique Selling Points: Sophisticated styling, renowned Jaguar ride comfort, powerful engine options, extensive use of advanced technology for its time. Manual Usefulness Value Proposition: Empowers owners and technicians with the exact information used by Jaguar dealerships, enabling accurate maintenance, diagnosis, and repair, thus reducing reliance on external repair shops and potentially saving costs. 📋 Manual Details Coverage Areas Primary Coverage: All XJ40 Models Repair Scope: A-Z, Vehicle Specific Repairs Page Count Page Count Estimate: Refer to original manual, extensive coverage expected for a full service manual. Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF (Digital) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Ignition, Cooling, Lubrication, Exhaust, Emissions Control, Automatic Transmission, Manual Transmission, Transfer Case, Driveshaft, Differential, Axles. Chassis & Suspension: Suspension (Front & Rear), Steering (Column & Power), Brakes (Control, Parking), Wheels & Tires. Electrical & Body: Starting & Charging System, Lighting, Instruments, Gauges, Power Accessories (Windows, Locks), Air Conditioning, Supplementary Restraint System (SRS), Seat Belts, Engine Immobilizer, Cruise Control, Wipers & Washers, Audio/Visual Systems, Horn, Windshield/Glass, Mirrors, Body Panels (Hood, Doors), Interior Trim, Exterior Trim, Multiplex/CAN Communication. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections. Diagnostics: Troubleshooting guides, symptom-based diagnostics, fault code interpretation (where applicable). Repair: Step-by-step repair instructions for all major and minor components and systems. Component Installation/Removal: Detailed procedures for removing and installing engines, transmissions, suspension components, body panels, and electrical modules. Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Includes detailed diagrams, illustrations, wiring schematics, and specifications. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, suitable for printing individual pages or sections. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) - Printable on any standard paper. ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, Overhead Camshaft (OHC) Engine Displacement: 3.6 Liters (3590 cc) Engine Code Early: AJ6 Performance Horsepower 3.6L: Approx. 220-225 hp (depending on market and tune) Torque 3.6L: Approx. 270-280 lb-ft (depending on market and tune) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Engine Variants Later Engine Type Later: V12, Overhead Valve (OHV) - Less common on early XJ40, but covered in overall XJ40 lifespan. The 1987 model predominantly features the AJ6 inline-six. Engine Displacement Later: 5.3 Liters (5343 cc) for V12 🔧 Transmission Standard Transmission Type 1987: ZF 4HP700 4-speed automatic Optional Optional Transmission: Manual transmission options were very rare on the XJ40, and primarily confined to specific export markets or later models. The vast majority were automatic. Features Transmission Control: Electronic control module for gear selection and shift points on the automatic. Fluid Specification Automatic Transmission Fluid: Refer to manual for specific DEXRON type or equivalent. Typically DEXRON II or III compatible fluids. 📐 Dimensions Exterior Wheelbase: Approx. 113 inches (2870 mm) Overall Length: Approx. 197 inches (5004 mm) Overall Width: Approx. 70 inches (1778 mm) Overall Height: Approx. 54 inches (1372 mm) Weights Curb Weight: Approx. 3800-4000 lbs (1724-1814 kg) depending on specification. Gross Vehicle Weight Rating: Refer to VIN plate and manual for specific GVWR. 🛡️ Safety Features Ratings Safety Ratings: No standardized NCAP or IIHS ratings from this era available. Safety was assessed based on contemporary regulations. Active Features Active Safety Features: Anti-lock Braking System (ABS - optional/standard on higher trims), power assisted steering. Passive Features Passive Safety Features: Energy-absorbing steering column, safety-belt reminders, reinforced passenger compartment, driver and passenger airbags (optional or introduced later in the generation). Restraint System Supplementary Restraint System: Covers the Supplemental Restraint System (SRS) for airbags, if equipped, including diagnostic and repair procedures. 💡 Technology Features Infotainment Infotainment System: Basic factory-installed audio systems, often with cassette player and AM/FM radio. Some models may have optional premium sound systems. Driver Assistance Driver Assistance Features: Anti-lock Braking System (ABS) was a significant technological advancement for its time. Connectivity Connectivity Features: Limited by era; primarily focused on internal vehicle systems. No modern Bluetooth or USB connectivity. Climate Control Climate Control System: Automatic climate control with A/C and heating, often with a diagnostic function accessible via the instrument panel. Multiplex Communication Multiplex System: The manual covers the 'Multiplex' system, which was an early form of multiplexed wiring (using fewer wires for multiple functions) for certain vehicle systems, reducing complexity and weight. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000-5,000 miles or 6 months, check manual for exact recommendation. Major Service Interval: Refer to manual for specific...