Market Position:
A highly sought-after classic sports car, representing a pinnacle of post-war British automotive engineering and design.
Competitive Analysis:
Competed with other high-performance luxury sports cars of its era, offering a blend of elegance, speed, and refined handling.
Key Features:
Iconic XK engine, beautiful flowing lines, exceptional performance for its time, luxurious interior appointments.
Handling Characteristics:
Renowned for its confident road holding and comfortable ride, benefiting from rack-and-pinion steering and a well-engineered suspension.
Coverage Areas:
Comprehensive repair and overhaul of Jaguar XK140 1954-1957 models, including proprietary component manufacturer instructions integrated.
Page Count:
Not Specified (typically extensive for workshop manuals of this era)
Manual Type:
Workshop Service Repair Manual
Delivery Method:
Fast and Free Electronic Delivery via Email
Systems Covered:
Engine (disassembly, reassembly, tuning), Transmission (disassembly, reassembly), Fuel System, Ignition System, Lubrication System, Exhaust System, Electrical System, Bodywork, Cooling System, Suspension, Steering, Brakes, Chassis.
Engine Management:
Detailed procedures for tuning and adjustments of the carburettors and ignition timing.
Electrical Diagnostics:
Covers the Lucas electrical system, including wiring diagrams, component testing, and troubleshooting procedures for lighting, ignition, and accessories.
Procedures Included:
Tune-ups, routine maintenance, removal & installation, assemblies & disassemblies, component overhaul, diagnostic procedures, repair instructions, troubleshooting, special tool usage.
Engine Rebuild:
Complete disassembly, inspection, measurement, and reassembly of the XK engine, including crankshaft, connecting rods, pistons, camshafts, and cylinder head.
Body Repair:
Information on body panel alignment, repair techniques, and potentially trim removal/installation.
Technical Depth:
Advanced diagnostics, complete engine and transmission disassembly/reassembly, detailed repair procedures, component-specific instructions.
Torque Specifications:
Includes torque values for all critical fasteners and engine components, essential for proper assembly.
Wiring Diagrams:
Includes detailed wiring diagrams for the entire vehicle's electrical systems.
Searchability:
Likely text-searchable PDF allowing for quick navigation to specific topics.
Print Quality:
Printable (high-resolution PDF for clear reproduction)
Binding Type:
Digital Delivery (Not Applicable to physical binding)
Paper Type:
Not Applicable (Digital Format)
Engine Type:
DOHC Inline 6-Cylinder
Displacement:
3.4 Liters (3442 cc)
Bore X Stroke:
3.46 in x 4.17 in (88 mm x 106 mm)
Compression Ratio:
7.5:1 (standard), 8.0:1 (optional)
Horsepower:
190 bhp @ 5000 rpm (Standard Engine), 210 bhp @ 5750 rpm (Optional '140' Engine with Dual Exhaust)
Torque:
203 lb-ft @ 3000 rpm (Standard Engine), 226 lb-ft @ 4000 rpm (Optional '140' Engine)
Carburetion:
Dual SU H6 Carburetors (Standard), Dual Stromberg CDSE Carburetors (Optional on some later models)
Fuel Type:
Premium Unleaded Gasoline (equivalent to当時のLeaded Premium)
Oil Capacity:
12 Imperial Pints (approx. 6.8 Liters)
Recommended Oil Viscosity:
SAE 20W-50 (or equivalent for modern oils)
Engine Designation:
The XK engine is an evolution of the engine used in the XK120 and later in the E-Type, celebrated for its smooth power delivery and DOHC configuration.
Transmission Type:
4-Speed Manual
Gear Ratios:
Typically around: 1st: 3.34, 2nd: 2.10, 3rd: 1.43, 4th: 1.00, Reverse: 3.34 (Ratios varied slightly between early and late models).
Transmission Type:
Laycock de Normanville Overdrive (Optional on 4th Gear)
Transmission Fluid Type:
GL-4 Gear Oil (e.g., SAE 90 or 80W-90)
Safety Ratings:
Not Applicable (Modern safety standards were not in place for vehicles of this era).
Active Features:
Powerful hydraulic drum brakes (often with optional front disc brakes from 1957), robust chassis.
Passive Features:
Strong body-on-frame construction, limited impact absorption zones.
Engine Oil Change:
Every 3,000 miles (approx. 4,800 km) or annually. More frequent checks recommended.
Grease Points:
Weekly/Monthly checks and lubrication of numerous grease points on suspension, steering, and chassis components are critical.
Valve Adjustment:
Every 6,000 miles (approx. 9,600 km).
Brake Fluid Type:
DOT 3 or DOT 4 Brake Fluid (Original specification likely DOT 3, but DOT 4 is compatible and often preferred for modern use).
Coolant Type:
Ethylene Glycol Antifreeze mixed with distilled water (50/50 ratio).
Clutch Fluid Type:
Brake fluid (DOT 3 or DOT 4), as the clutch shares the hydraulic system with the brakes.
Known Issues:
Oil leaks from engine seals and gaskets, kingpin wear, SU carburetor tuning, Lucas electrical system reliability, chassis rust in certain areas, potential for overheating in heavy traffic without proper cooling system maintenance.
Common Repairs:
Brake system overhaul, carburetor rebuilds, ignition system maintenance (distributor, coil, spark plugs), front suspension kingpin and bush replacement, cooling system flushing and radiator repair.
Brand Heritage:
Jaguar Cars, a renowned British manufacturer with a long history of producing successful sports cars and luxury vehicles, particularly known for its performance-oriented engineering.
Model Evolution:
Successor to the legendary XK120, the XK140 offered improved handling, more powerful engine options, and updated styling. It was produced in various body styles including Fixed Head Coupe (FHC), Drop Head Coupe (DHC), and Open Two Seater (OTS).
Production Years:
1954-1957
Manufacturing Location:
Coventry, England
