Positioning:
Iconic British sports car of the post-war era, renowned for its performance and style.
Competitors:
Alfa Romeo 6C, Ferrari 166 Inter, Aston Martin DB2
Design:
Aerodynamic and elegant styling, often considered one of the most beautiful cars ever made.
Performance:
Pioneering speeds for its time, achieving over 120 mph in standard tune.
Manual Utility:
Essential resource for owners and mechanics undertaking maintenance, repair, or restoration.
Engine:
Complete overhaul, tuning, lubrication, cooling system, fuel system, ignition system
Transmission:
Manual gearbox service, clutch assembly, driveshafts
Suspension:
Front and rear suspension, steering system, shock absorbers
Brakes:
Hydraulic brake system, front and rear brake drums, master cylinder, wheel cylinders, parking brake
Electrical:
Wiring diagrams, lighting system, starting and charging system, instruments, ignition system
Body And Chassis:
Frame inspection and repair, body panel removal and installation, doors, windows, convertible top
Maintenance:
Regular servicing, lubrication schedules, fluid checks and changes
Troubleshooting:
Diagnostic procedures for common faults and issues
Repair:
Detailed step-by-step repair instructions for all major components
Disassembly Assembly:
Comprehensive guides for taking apart and reassembling vehicle systems
Adjustments:
Carburetor tuning, ignition timing, brake adjustments, suspension alignment
Depth:
Comprehensive, from basic maintenance to detailed component rebuilds and diagnostics
Engine Type:
Inline 6-Cylinder, DOHC (Double Overhead Camshaft)
Engine Displacement:
3442 cc (211.4 cu in)
Bore X Stroke:
83 mm x 106 mm (3.27 in x 4.17 in)
Horsepower Est:
160 bhp @ 5200 rpm (standard tune)
Torque Est:
200 lb-ft @ 3500 rpm (approximate)
Carburetion:
2 x SU H4 Carburetors
Fuel Type:
Premium Unleaded Gasoline (historically, leaded gasoline)
Oil Capacity With Filter:
7 US quarts (6.6 Liters)
Coolant Capacity:
Approximately 12 US quarts (11.3 Liters)
Crash Test Ratings:
Not applicable for this era of vehicle.
Braking System:
Hydraulic drum brakes on all four wheels.
Steering:
Worm and roller steering system.
Seat Belts:
Not standard equipment; often added as an aftermarket modification.
Cautionary Notes:
Numerous cautions and warnings for safe operation, tool usage, and component handling are highlighted throughout the manual.
Oil Change Interval:
Recommended every 3,000 miles or 6 months (consult manual for exact schedule).
Grease Points:
Regular greasing of chassis lubrication points as per periodic maintenance chart.
Engine Oil Type:
Multi-viscosity oil (e.g., SAE 20W-50 or 20W-60 for classic engines, verify current recommendations).
Coolant Type:
Water/Antifreeze mixture (e.g., 50/50) with corrosion inhibitors suitable for classic vehicles.
Brake Fluid Type:
DOT 3 or DOT 4 Hydraulic Brake Fluid (ensure compatibility with older seals).
Chassis Grease:
High-temperature chassis grease.
Common Wear Items:
Kingpins, bushings, brake components, clutch wear, radiator leaks.
Engine Reliability:
The XK engine is robust but requires diligent maintenance and correct oil viscosity.
Electrical Reliability:
Original wiring can degrade; maintenance of the charging system is crucial.
Part Replacement:
Emphasis on using correct OEM fasteners and replacing sealing components during repairs.
Tool Usage:
Strict adherence to using correct special service tools and calibrated precision instruments.
Jaguar Legacy:
Jaguar Cars Limited, founded by Sir William Lyons, built a reputation for performance and luxury sports cars.
Xk120 Introduction:
Unveiled at the 1948 London Motor Show as a concept car to showcase the new XK engine.
Xk120 Success:
Massive public demand led to production, becoming Jaguar's first post-war sports car.
Variants:
Initial 'Supersports' open two-seater, followed by the Fixed Head Coupe and Drop Head Coupe.
Competition Heritage:
Successful in racing, including Le Mans 24 Hours, Mille Miglia, and Carrera Panamericana.
Production Years:
1948-1954
Production Numbers Total:
Approximately 12,055 units
Manufacturing Location:
Coventry, England
Collectible Status:
Highly collectible and sought-after by classic car enthusiasts and collectors worldwide.
Classic Car Value:
Consistently ranks as a desirable classic for its aesthetics, performance, and historical significance.
Historic Vehicle Status:
Eligible for historic vehicle registration and events in many regions.
