Original Market:
High-performance luxury sports car and saloon, appealing to discerning buyers seeking speed and refinement.
Key Competitors:
Aston Martin DB series, Ferrari GT models, Alfa Romeo, Mercedes-Benz SL models of the era.
Vehicle Appeal:
Iconic styling, powerful straight-six engine, advanced chassis for its time, blend of performance and luxury.
Target User:
Enthusiasts, classic car restorers, independent workshops specializing in vintage British automobiles.
Primary Coverage:
Mechanical Repair and Maintenance
Secondary Coverage:
Electrical Systems, Chassis, Bodywork
Estimated Pages:
Likely 300-500+ (typical for comprehensive workshop manuals of this era, specific count not provided)
Type:
Workshop Service and Repair Manual
Format:
PDF (Digital Download)
Engine:
Complete overhaul, diagnosis, repair of XK engine variants (e.g., 3.4L, 3.8L)
Fuel System:
Carburetor tuning (SU, Weber), fuel pump, fuel lines, tank service
Transmission:
Manual gearbox repair, clutch service, overdrive unit (if applicable)
Suspension:
Front independent suspension (Torsion bar), rear live axle, shock absorbers, steering
Brakes:
Hydraulic drum brake system overhaul, master cylinder, wheel cylinders, brake lines
Electrical:
Wiring diagrams, starter motor, generator/alternator, ignition system, lighting, switches
Engine Repair:
Engine removal/installation, cylinder head rebuild, piston/rod assembly, crankshaft bearing service, timing gear adjustment
Transmission Repair:
Gearbox disassembly/assembly, synchromesh inspection, clutch replacement
Suspension And Steering Repair:
Component replacement, alignment procedures, steering box overhaul
Brake System Overhaul:
Drum relining, cylinder rebuilding, fluid bleeding, system diagnostics
Electrical Troubleshooting:
Diagnostic charts, fault finding for ignition, starting, charging, lighting systems
Depth:
Comprehensive Workshop Level: Suitable for full mechanical and electrical repairs, rebuilds, and advanced diagnostics.
Searchability:
Likely searchable text within PDF, enabling quick navigation to specific topics.
Print Capability:
Printable pages, allowing for physical copies for workshop use.
Zoom Functionality:
Zoom in/out capability for detailed viewing of diagrams and text.
Delivery:
Instant Download via Email Link
Engine Family:
Jaguar XK Straight-Six
Displacement Xk120:
3442cc (3.4 Litre)
Displacement Mk Vii:
Initially 3442cc, later 3781cc (3.8 Litre) for later MKVII variants and MKVIII/MKIX.
Horsepower 3.4L:
Approx. 160-180 bhp (depending on tune/carburetion)
Torque 3.4L:
Approx. 200-220 lb-ft
Carburetion:
Typically twin SU carburetors (e.g., H6 or HD6)
Configuration:
Inline 6-Cylinder, DOHC (Dual Overhead Camshaft)
Body Styles:
Open Two-Seater (XK120), Drophead Coupe (XK120), Fixed Head Coupe (XK120), 4-Door Saloon (MKVII, MKVIII, MKIX)
Wheelbase Specification:
Varies slightly by model/body style, but typically around 104 inches for XK120, and 110 inches for MKVII saloons.
Curb Weight Xk120:
Approximately 3000-3300 lbs (depending on body style)
Curb Weight Mk Vii:
Approximately 3600-3900 lbs
Safety Era Context:
Safety standards of the late 1940s/early 1950s. Lacks modern safety features like airbags or ABS.
Braking System:
Hydraulic drum brakes on all four wheels, assisted by vacuum servo (Marles steering box with integrated damper).
Chassis Construction:
Body-on-frame construction, with body panels fitted to a robust chassis.
Oil Change:
Typically every 3,000 miles or annually, whichever comes first. Consult manual for specific intervals based on usage.
Grease Points:
Regular lubrication of suspension, steering, and drivetrain components as per manual's schedule.
Engine Oil:
SAE 20W-50 or SAE 30 (depending on climate and specific engine condition). Consult manual for exact API ratings of the era.
Coolant:
Water/antifreeze mixture, typically with corrosion inhibitors suitable for older engines. Consult manual for type and ratio.
Brake Fluid:
DOT 3 or DOT 4 Hydraulic Brake Fluid (ensure compatibility with older seals).
Common Wear Items:
Brake system components (cylinders, shoes), kingpins, bushings, steering components, clutch wear.
Engine Considerations:
Potential for oil leaks, valve guide wear, timing chain wear, and overheating if cooling system is not maintained.
Electrical Challenges:
Deterioration of wiring insulation, contact issues with switches, generator output.
Founding Principles:
Founded on performance, style, and engineering excellence, originating from SS Cars Ltd.
Xk120 Introduction:
Launched in 1948 as a show car to debut the XK engine, becoming a production sports car.
Mk Vii Introduction:
Launched in 1951, applying the XK engine and advanced chassis to a luxurious four-door saloon, establishing Jaguar's reputation for performance luxury.
Manufacturing Location:
Coventry, England
Key Milestones:
The XK engine was a groundbreaking design for its era, influencing automotive engineering for decades. The XK120 was the fastest production car of its time.
Automotive Icon Status:
Both the XK120 and MKVII are considered automotive icons, celebrated for their design, performance, and contribution to Jaguar's prestige.
Classic Car Value:
Highly sought after by collectors, often achieving significant values at auction.
