🏷️ Basic Information

Make:

Jaguar

Model:

XK Series

Production Years:

1948-1961

Engine Codes Covered:

XK 3.4 Litre, XK 3.8 Litre, XK 3.8 Litre S, XK 3.4 Litre S

Chassis Codes Covered:

XK120, XK140, XK150

👋 Introduction

Target Audience:

Owners, mechanics, and restorers of Jaguar XK Series vehicles (XK120, XK140, XK150)

Value Proposition:

Provides essential technical information for maintaining, repairing, and restoring iconic classic Jaguar sports cars, crucial for preserving their value and ensuring proper function.

Downloadable Format:

Instant digital download, offering immediate access without shipping delays.

Comprehensive Coverage:

Covers a wide range of models and years within the XK Series, offering a complete resource.

Usefulness:

Designed to be highly useful for both routine maintenance and complex repair scenarios.

📋 Manual Details

Manual Type:

Parts and Workshop Manual / Repair Manual / Service Manual

Estimated Page Count:

Extensive (specific count not provided, but implies comprehensive coverage for the period)

Language:

English

File Format:

PDF

Compatibility:

Windows/Mac

📖 Manual Coverage

Engine:

Detailed troubleshooting, repair, and overhaul of Jaguar XK engines (e.g., XK120, XK140, XK150 inline-six)

Fuel System:

Carburetor (e.g., SU, Weber) tuning, adjustment, rebuild, fuel pump, fuel lines, tank servicing

Cooling System:

Radiator, water pump, thermostat, hoses, fan operation and maintenance

Clutch:

Operation, adjustment, replacement of clutch assembly and components

Transmission:

Gearbox overhaul, fluid changes, gear selector mechanisms (e.g., Moss gearbox)

Drivetrain:

Propeller shaft, universal joints, rear axle assembly, differential servicing

Steering:

Steering box, linkages, adjustment, wear assessment, and replacement

Suspension:

Front and rear suspension components, geometry checks, bushing replacement, shock absorber servicing

Brakes:

Hydraulic brake system, drum and disc brake servicing (depending on model variant), fluid flush, component replacement

Wheels And Tires:

Wheel balancing, tire wear, spoke wheel maintenance, bolt patterns

Bodywork:

Body panel alignment, door mechanisms, trim, chassis lubrication points

Exhaust System:

Exhaust manifold, pipes, mufflers, system fitting and inspection

Heating And Windscreen:

Heater matrix, blower motor, demisting systems, windscreen wiper and washer mechanisms

Electrical System:

Wiring diagrams, lighting, ignition system, starter motor, dynamo/alternator, instrumentation, battery servicing

Diagnostic Procedures:

Troubleshooting guides for common faults and symptoms across all major systems

Maintenance Procedures:

Scheduled maintenance tasks, lubrication, fluid changes, filter replacements

Repair Procedures:

Step-by-step instructions for component removal, repair, and reinstallation

Overhaul Procedures:

Detailed guides for complete engine, gearbox, and rear axle rebuilds

Adjustment Procedures:

Calibration and tuning of carburetors, brakes, steering, and ignition timing

Specifications Data:

Torque values, clearances, fluid capacities, and critical measurements

Body And Chassis:

Procedures for body panel fitting, door and window mechanism adjustment, chassis lubrication points, and basic metalwork repair considerations.

Depth:

Comprehensive (suitable for professional mechanics and experienced enthusiasts, covering everything from routine maintenance to full rebuilds)

Engine Rebuild:

Detailed procedures for complete engine disassembly, inspection, component replacement, and reassembly, including bearing clearances, piston ring gaps, valve seating, and timing chain setup.

Transmission Rebuild:

Comprehensive instructions for dismantling, cleaning, inspecting, and rebuilding both manual (Moss and conventional) and automatic gearboxes, including gear engagement, synchronizer function, and fluid seals.

Electrical Troubleshooting:

Detailed wiring diagrams for various configurations, along with systematic troubleshooting flowcharts for electrical faults related to lighting, ignition, charging, and instrumentation.

📊 Manual Specifications

Digital Format:

PDF

Searchability:

PDF format often allows for text searching, greatly enhancing the ease of finding specific information.

Scanned Quality:

Assumed high-quality scan for clarity and usability, though specific resolution not detailed

Digital Binding:

N/A (Digital Download)

Digital Paper Type:

N/A (Digital Download)

Model Range Covered:

Jaguar XK120, XK140, XK150

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder, DOHC (Double Overhead Camshaft)

Displacement Options:

3.4 Litre (approx. 3442 cc), 3.8 Litre (approx. 3781 cc)

Horsepower Range:

Varies by model and tuning, typically from 160 bhp to 250+ bhp (e.g., XK150 S variants)

Torque Range:

Specific values vary by engine variant, detailed within the manual

Carburetor Types:

Primarily SU (e.g., H6, HD6, HV6) dual or triple carburetors; some variants may feature Weber carburetors.

Fuel Type:

Leaded gasoline (historically), modern unleaded with appropriate adjustments or additives may be discussed.

🔧 Transmission

Gearbox Type:

Manual transmission, often the Moss gearbox (a pre-selector unit on some early XK120s, and a conventional manual on later XK120, XK140, and XK150 models).

Automatic Transmission:

Optional Borg-Warner T-85 3-speed automatic transmission available on some XK140 and XK150 models.

Gear Ratios:

Detailed gear ratios for different gearbox variants and final drive ratios are provided in the manual.

Fluid Type:

Specific manual gearbox oil and automatic transmission fluid specifications will be detailed.

📐 Dimensions

Wheelbase Range:

Approximately 102 inches (XK120/140) to 87 inches (XK120 Fixed Head Coupe) and 104 inches (XK150).

Overall Length Range:

Varies significantly by body style (Open Two Seater, Fixed Head Coupe, Drop Head Coupe), but generally around 160-170 inches.

Curb Weight Range:

Approximately 2,600 - 3,200 lbs (1180 - 1450 kg) depending on model and body style.

🛡️ Safety Features

Crash Safety Design:

Vehicle structure and safety features reflect the design standards of the 1940s-1960s. The manual will cover maintenance of such systems.

Braking System:

Front disc brakes introduced on XK150, earlier models typically had drum brakes. Manual covers both systems.

Seatbelts:

Seatbelts were often optional or not fitted as standard on early models; installation or maintenance procedures may be covered if relevant to modifications.

💡 Technology Features

Audio System:

Original systems were typically AM radio; modifications for modern audio are common, and the manual would cover wiring related to the original system.

Advanced Systems:

No electronic driver assistance systems common in modern vehicles. Focus is on mechanical systems.

Digital Features:

None inherent to the original vehicle design.

🔧 Maintenance

Engine Oil Change:

Typically every 3,000 miles or annually, but specific recommendations will be in the manual.

Grease Points:

Regular lubrication of chassis grease points is critical for longevity, detailed in the manual.

Engine Oil:

Specific viscosity grades (e.g., SAE 20W-50 or similar, depending on operating temperature and engine condition) will be listed. Consideration for modern oil formulations may be addressed.

Coolant:

Proper coolant mixture (e.g., distilled water and antifreeze) and types suitable for classic engines.

Brake Fluid:

DOT 3 or DOT 4 hydraulic fluid is typical for the period, depending on system components. The manual will specify.

Common Wear Items:

Suspension bushings, steering components, clutch wear, carburetor adjustments, and potential oil leaks are common in vehicles of this age.

Electrical Gremlins:

Aging wiring looms and connections can lead to intermittent electrical faults, which the manual helps diagnose.

📚 Vehicle History

Jaguar Legacy:

Jaguar Cars has a rich history of producing elegant and high-performance sports cars and luxury vehicles.

Xk Series Development:

The XK Series evolved from the post-war XK120, an engineering marvel for its time, to the XK140 with improved handling and performance, and finally the XK150 with more modern styling and capabilities.

Manufacturing Era:

1948-1961, produced at Jaguar's Coventry, England facilities.

🏆 Awards & Recognition

Historical Acclaim:

The Jaguar XK Series, particularly the XK120, received widespread acclaim for its performance and styling, winning numerous motorsport events and setting speed records, solidifying Jaguar's reputation as a manufacturer of fast and beautiful cars.