🏷️ Basic Information Identification Make: Jaguar Model: XK Series (XK120, XK140, XK150) Production Years Covered: 1948-1961 Codes Chassis Codes: XK120, XK140, XK150 👋 Introduction Market Position Market Segment: Post-War Luxury Sports Car Competitive Analysis Key Competitors: Ferrari 166 Inter, Aston Martin DB2, Alfa Romeo 6C series Key Features Performance Benchmark: World's fastest production car upon its release, renowned for its straight-six engine and elegant design. Design Philosophy: Combination of powerful performance, luxurious touring comfort, and timeless styling. Manual Purpose Value Proposition: Essential resource for owners and mechanics undertaking maintenance, restoration, or repair of these iconic classic Jaguars. 📋 Manual Details Coverage Areas Manual Type: Workshop Service and Repair Manual Language: English Format: Digital Download (likely PDF) Page Count Estimated Page Count: Comprehensive (likely several hundred pages across multiple volumes or sections) 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, tuning, and troubleshooting for all XK engine variants Carburetor Fuel System: SU Carburetor (e.g., H, HD, HV) tuning, rebuild, fuel pump, and tank service Cooling System: Radiator, water pump, thermostat, hoses, and coolant specifications Clutch: Single dry plate clutch service, adjustment, and replacement Gearbox: Moss (pre-synchromesh and full synchromesh) and Laycock de Normanville overdrive gearbox service, repair, and fluid specifications Propeller Shaft: U-joint service and balancing Rear Axle: Salisbury or Jaguar independent rear suspension (IRS) unit service, bearings, and lubrication Steering: Burman & Sons steering box overhaul, linkage adjustment, and lubrication Front Suspension: Double wishbone independent front suspension service, kingpins, bushings, and shock absorbers Rear Suspension: Jaguar independent rear suspension (IRS) system service for XK140 and XK150 (leaf spring solid axle for XK120) Brakes: Girling hydraulic drum brakes service, wheel cylinder rebuild, brake shoe replacement, and fluid specifications Wheels Tyres: Wheel bearing service, tire pressure recommendations, and bolt patterns Body Exhaust System: Body panel alignment, door, hood, and trunk service, exhaust system maintenance Heating Windscreen: Heater matrix service, demisting system, and windscreen wiper mechanism Electrical: Lucas electrical system troubleshooting, wiring diagrams, dynamo charging, starter motor, ignition system, and lighting Procedures Included Routine Maintenance: Oil changes, lubrication points, filter replacements, ignition timing checks Engine Overhaul: Piston ring replacement, bearing inspection, valve grind, complete engine rebuild procedures Transmission Repair: Gearbox disassembly, inspection, and reassembly for both manual and overdrive units Suspension Steering Work: Bush replacement, kingpin service, steering box adjustment, alignment checks Brake System Overhaul: Drum removal, cylinder relining, fluid flushing, and bleeding procedures Electrical Troubleshooting: Diagnosing and repairing common electrical faults using wiring diagrams Bodywork Restoration: Panel alignment, hardware adjustment, and basic body repair guidance Technical Depth Depth Of Coverage: Comprehensive, from basic adjustments to full engine and gearbox rebuilds 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF for easy navigation Print Quality Print Resolution: Optimized for digital viewing and printing Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: DOHC Inline 6-Cylinder 'XK' Engine Performance Xk120 Engine Displacement: 3442 cc (3.4 Litre) Xk120 Engine Horsepower: 160 bhp @ 5000 rpm Xk120 Engine Torque: 217 lb-ft @ 3000 rpm Xk140 Engine Displacement: 3442 cc (3.4 Litre), option for 3.8 Litre on some variants Xk140 Engine Horsepower: 175-190 bhp (depending on tune and variant) Xk150 Engine Displacement: 3442 cc (3.4 Litre) or 3781 cc (3.8 Litre) Xk150 Engine Horsepower: 190 bhp (3.4 Litre) to 250 bhp (3.8 Litre S-Type) Fuel System Carburetors: Typically twin SU H, HD, or HV carburetors Fuel Type: Premium Unleaded Gasoline (historically leaded, compatible with modern fuels with additive) 🔧 Transmission Standard Gearbox Type: 4-speed Moss Manual Transmission (synchromesh on 2nd, 3rd, 4th for later models) Optional Overdrive: Laycock de Normanville 'J-Type' Overdrive (optional on most models) Features Gear Ratios: Specific ratios vary by model and axle ratio, detailed in manual 📐 Dimensions Exterior Body Styles: Open Two-Seater (OTS), Fixed Head Coupe (FHC), Drop Head Coupe (DHC), and occasional Drop Head Coupe (XK120), Fixed Head Coupe and Drop Head Coupe (XK140/150) Wheelbase: Approx. 102 inches (XK120/140), 104 inches (XK150) Weights Curb Weight: Approx. 2800-3300 lbs (depending on body style and model) 🛡️ Safety Features Ratings Safety Features Era: Designed in an era predating modern safety standards; features include basic crumple zones (inherent in chassis design) and robust build quality. Active Features Braking System: Girling hydraulic drum brakes on all four wheels. Passive Features Seat Belts: Optional or retrofitted, not standard from factory for most of the production run. 💡 Technology Features Infotainment Audio System: Original equipment likely a basic AM radio, though many have been upgraded. Driver Assistance Driver Aids: N/A (no electronic driver aids as per the era) Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 6 months; check manual for specifics. Greasing Points: Regular lubrication of suspension and steering components is critical (e.g., every 1,000-2,000 miles). Valve Adjustment Interval: Recommended every 6,000-10,000 miles, depending...