🏷️ Basic Information Identification Make: Jaguar Model: XK120, XK140, XK150 Codes Chassis Codes: XK120: 600001-609729 (OTS), 600001-609729 (FHC), 600001-609729 (DHC); XK140: S800001-S830568; XK150: S830569-S837926 👋 Introduction Market Position Positioning: Essential resource for owners and mechanics of classic Jaguar XK models, providing comprehensive factory information. Competitive Analysis Competition: Offers a more complete and integrated solution compared to individual technical articles or basic repair guides. Key Features Features: Instant digital access, comprehensive coverage of service, repair, and parts, high-quality printable format. 📋 Manual Details Coverage Areas Applicable Years: 1948-1961 Page Count Estimated Pages: Numerous (stated as hundreds or thousands) Manual Type Type: Factory Service Repair Workshop and Parts Manuals Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete Engine Service/Repair, Engine Control System Transmission: Transmission Service/Repair Brakes: Brake System Electrical: Wiring Diagram, Electrical System Suspension: Suspension, Steering Fuel System: Fuel System, Fuel Injection Cooling System: Cooling System Body Chassis: Chassis/Body Interior: Interior Drive Axle: Differential/Drive, Axle Emissions: Emission System Accessories: Heater/Air Conditioner Procedures Included Maintenance: General Maintenance, Periodic Lubrication, Maintenance Check List, Maintenance Chart, Service Instruction Troubleshooting: Troubleshooting Repair: Detailed repair procedures for all major systems Technical Depth Depth: Comprehensive factory-level repair and parts information, suitable for technicians and enthusiasts. 📊 Manual Specifications File Format Compatibility: All Versions of Windows & Mac Print Quality Quality: High Quality Printable Pages Binding Type Type: Digital Download (Requires PDF Reader & WinZip for larger files) Paper Type Type: Not Applicable (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: DOHC Inline 6-Cylinder Performance Displacement Xk120: 3442 cc (210 ci) Horsepower Xk120: 160 bhp (standard), 180 bhp (C-Type head), 210 bhp (special equipment) Torque Xk120: Approx. 200 lb-ft Displacement Xk140: 3442 cc (210 ci) Horsepower Xk140: 190 bhp (standard), 210 bhp (8:1 compression/laycock overdrive), 220 bhp (XK140 SE / MC) Torque Xk140: Approx. 212 lb-ft Displacement Xk150: 3781 cc (231 ci) in XK150 3.8, 3442 cc (210 ci) in XK150 3.4 Horsepower Xk150: 250 bhp (XK150 3.8S), 210 bhp (XK150 3.8), 190 bhp (XK150 3.4) Torque Xk150: Approx. 240 lb-ft (3.8) Fuel System Carburetors Xk120: Twin SU H6 Carburetors Carburetors Xk140: Twin SU H6 Carburetors (XK140), Twin SU HD6 Carburetors (XK140 SE/MC) Carburetors Xk150: Twin SU HD6 Carburetors (XK150 3.4), Triple SU HD8 Carburetors (XK150 3.8/3.8S) Fuel Type: Premium Unleaded Gasoline (or Leaded Gasoline of equivalent octane) 🔧 Transmission Standard Type Xk120 Xk140: 4-Speed Manual Optional Type Xk140: Laycock de Normanville Overdrive (Optional on some models) Type Xk150: 4-Speed Manual with or without Overdrive Features Gear Ratios: Specific ratios will be detailed within the manual for each model and transmission variant. Fluid Requirements Fluid Type: GL-4 Gear Oil (e.g., SAE 90) 📐 Dimensions Exterior Body Styles: Open Two-Seater (OTS), Fixed Head Coupé (FHC), Drophead Coupé (DHC) Weights Curb Weight Approx Kg: XK120 OTS: ~1330 kg (2932 lbs), XK140 FHC: ~1450 kg (3197 lbs), XK150 FHC: ~1500 kg (3307 lbs) 🛡️ Safety Features Ratings Crash Safety Era: Designed to 1950s/1960s safety standards; modern crash ratings are not applicable. Active Features Braking System: Hydraulic Drum Brakes (front and rear) on early models, optional Disc Brakes on XK150. Passive Features Seatbelts: Not standard equipment on early models; can be retrofitted. Body Construction: Body-on-frame construction with steel body panels. 💡 Technology Features Infotainment Entertainment System: Basic AM radio (optional on early models); later models may have updated units. Primarily a driver-focused experience. Driver Assistance Assistance Features: None in the modern sense. Relies on driver skill and direct mechanical feedback. Connectivity Connectivity Options: None. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 6 months, but the manual will provide specific factory recommendations. Grease Points Interval: Frequent lubrication required for chassis and suspension components (e.g., every 500-1000 miles). Fluid Specifications Engine Oil Type: API SG/SH or equivalent, SAE 20W-50 recommended for many conditions. Manual will specify exact grade. Coolant Type: Ethylene Glycol based antifreeze with distilled water (50/50 mix). Brake Fluid Type: DOT 3 or DOT 4 (check specific system requirements). Known Issues Common Wear Items: Bushings, kingpins, clutch components, water pump, oil leaks (e.g., rear main seal), dashboard wiring insulation degradation. Electrical Gremlins: Due to age, wiring can become brittle and connections can corrode, leading to intermittent electrical faults. Engine Cooling: Overheating can occur if cooling system is not meticulously maintained; original radiators may be less efficient. 📚 Vehicle History Brand Heritage Manufacturer Origin: United Kingdom Model Evolution Lineage: Successor to the pre-war SS Jaguar 100 and successor to the XK150 was the E-Type. Production Production Years Xk120: 1948-1954 Production Years Xk140: 1954-1957 Production Years Xk150: 1957-1961 Notable Variants: XK120 Competition, XK140 SE/MC, XK150 S 🏆 Awards & Recognition Recognitions Historical Significance: The Jaguar XK series is celebrated as a pinnacle of post-war British sports car design and performance, often considered one of the most beautiful cars ever made. Ratings Collectible Status:...