🏷️ Basic Information Identification Make: Jaguar Model: Mark VII Model Variant: Mark 7 VII Model Alternative: XK120 Generation Production Years Covered: 1950, 1951, 1952, 1953, 1954 Codes Engine Codes Covered: XK engine variants 👋 Introduction Market Position Class: Luxury Sports Saloon / Grand Tourer Competitive Analysis Key Competitors: Rolls-Royce Silver Dawn, Bentley Mark VI, Aston Martin DB2, Ferrari 166/195/212 Inter Key Features Performance Focus: High performance for its era, luxurious comfort, sophisticated styling. 📋 Manual Details Coverage Areas Coverage: Complete Service & Repair Procedures A-Z Page Count Estimated Page Count: Likely 800-1200+ pages (typical for comprehensive manuals of this era and scope) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF File Format: PDF Print Quality: High quality (as stated in product description), suitable for printing. Binding Type: N/A (Downloadable Digital Format) Paper Type: N/A (Downloadable Digital Format) 📖 Manual Coverage Systems Covered Engine: Yes, complete overhaul, tuning, lubrication, cooling, fuel system, ignition system Transmission: Yes, manual and automatic (if applicable to specific models within the year range) Drivetrain: Yes, propeller shaft, rear axle assembly, differential Suspension: Yes, front and rear suspension components, steering Brakes: Yes, hydraulic system, front and rear brake mechanisms, parking brake Electrical System: Yes, wiring diagrams, lighting, ignition, starter, charging system, instruments Fuel System: Yes, fuel tank, lines, pumps, carburetors (e.g., SU) or fuel injection (if applicable) Cooling System: Yes, radiator, water pump, thermostat, fan, coolant specifications Bodywork: Yes, body panel repair, doors, windows, trim, chassis specifications Interior: Yes, seats, dashboard, upholstery, controls Body Electrical: Yes, including accessories like wipers, horn, radio Procedures Included Maintenance: Yes, routine servicing, lubrication, tune-ups, fluid changes Troubleshooting: Yes, diagnostic procedures for common and uncommon faults Repair: Yes, step-by-step repair instructions for all major components and systems Overhaul: Yes, complete engine, transmission, and differential rebuilds Adjustment: Yes, valve adjustments, carburetor synchronization, brake adjustments Inspection: Yes, visual inspections, torque checks, system diagnostics Technical Specifications: Yes, detailed specs for all components and systems Wiring Diagrams: Yes, comprehensive electrical schematics Technical Depth Depth: Comprehensive, covering from basic maintenance to full engine and chassis rebuilds. ⚙️ Engine Specifications Primary Engine Engine Type: Jaguar XK Straight-6 Displacement: 3.4 Litre (approx. 3442 cc) Bore X Stroke: 83 mm x 105 mm Performance Horsepower Mark Vii: 160 hp (approx.) at 4,750 rpm (SU carburetors) Torque Mark Vii: 203 lb-ft (approx.) at 2,000 rpm Horsepower Xk120: 160-180 hp (approx. depending on variant and tuning) Fuel System Carburetors: Dual SU Carburetors (e.g., H4 or HVDA) Fuel Type: Premium Unleaded Gasoline (historically leaded) / High Octane Avgas (for competition use) Engine Internals Cylinder Head: DOHC (Dual Overhead Camshaft) Compression Ratio: Approx. 7.5:1 to 8:1 (depending on specific engine tune) 🔧 Transmission Standard Transmission Type: 4-Speed Manual (Moss gearbox) Optional Transmission Type Optional: Optional: Borg-Warner T-85 3-Speed Automatic Transmission Features Clutch: Single Dry Plate Clutch 📐 Dimensions Exterior Wheelbase Mark Vii: Approx. 120 inches (3048 mm) Wheelbase Xk120 Roadster: Approx. 102 inches (2591 mm) Length Mark Vii: Approx. 197 inches (5004 mm) Width Mark Vii: Approx. 71 inches (1803 mm) Height Mark Vii: Approx. 62 inches (1575 mm) Weights Curb Weight Mark Vii: Approx. 3,700 - 4,000 lbs (1678 - 1814 kg) Curb Weight Xk120 Roadster: Approx. 2,750 lbs (1247 kg) 🛡️ Safety Features Ratings Safety Standard Era: Reflects automotive safety standards of the early to mid-1950s; no formal crash testing agencies as we know them today. Active Features Braking System: Girling Hydraulic Drum Brakes (Front and Rear) Steering: Worm and Sector Steering Box Passive Features Chassis Construction: Body-on-frame for Mark VII; XK120 chassis is a traditional ladder frame. Seatbelts: Not originally fitted as standard; often retrofitted. 💡 Technology Features Infotainment Audio System: Originally fitted with AM radio as an option; often upgraded in modern restorations. Driver Assistance Features: None typically available as standard for the era; focus was on driver engagement. Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles (4,800 km) or 6 months, whichever comes first. Grease Points: Requires regular lubrication of chassis grease points (e.g., suspension, steering linkages) every 1,000-2,000 miles. Fluid Specifications Engine Oil Type: SAE 30 or 20W-50 (depending on climate and engine condition). Historically, Castrol XL or equivalent. Modern equivalents would be high-quality mineral oils. Coolant Type: Water/Glycol mixture (e.g., 50/50 Ethylene Glycol). Historically, plain water with rust inhibitors. Brake Fluid Type: DOT 3 or DOT 4 Hydraulic Brake Fluid (ensure compatibility with older seals if not replaced). Gearbox Oil Type Manual: EP 90 Hypoid Gear Oil (GL-4 specification recommended for older transmissions). Gearbox Oil Type Automatic: Dexron II or equivalent (for Borg-Warner T-85). Rear Axle Oil Type: EP 90 Hypoid Gear Oil (GL-4 or GL-5, consult manual for specific recommendation). Known Issues Engine: Core plug corrosion, oil leaks from seals and gaskets, potential head gasket issues, valve guide wear. Transmission: Moss gearbox synchromesh wear,...