Jaguar XK120 XK140 XK150 1948-1961 Factory Repair Manual

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Type: Car

Vendor:

Sku: 145128

Tags: 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 Car Cars Jaguar XK XK120 XK140 XK150

Product variants

Description

The Jaguar XK Series, encompassing the XK120, XK140, and XK150 models produced between 1948 and 1961, represents a pinnacle of British automotive engineering and design. These iconic sports cars, known for their potent inline 6-cylinder DOHC engines, ranging from 3.4 to 3.8 liters, delivered exhilarating performance and a captivating driving experience. Whether in the Open Two Seater (OTS), Drophead Coupe (DHC), or Fixed Head Coupe (FHC) configurations, the XK Series established Jaguar's reputation for creating stylish, high-performance vehicles with a significant impact on the sports car market. This comprehensive Factory Service Repair Manual provides in-depth guidance for the Jaguar XK Series (1948-1961), covering all body styles. It details essential maintenance procedures, including oil changes and lubrication schedules, alongside extensive repair information for all major systems such as the engine, transmission, brakes, suspension, steering, cooling, fuel, electrical, and chassis/body. The manual includes troubleshooting diagnostics, rebuild and restoration guidance, and critical safety notes, making it an indispensable resource for owners, mechanics, and restorers seeking to maintain or repair these historic vehicles.

🏷️ Basic Information

Identification

Make:

Jaguar

Model:

XK Series (XK120, XK140, XK150)

Production Years:

1948-1961

Codes

Chassis Codes:

XK120 (OTS, DHC, FHC), XK140 (OTS, DHC, FHC), XK150 (OTS, DHC, FHC, Drophead Coupe, Fixed Head Coupe)

👋 Introduction

Market Position

Target Audience:

Serious owners, mechanics, restorers, and enthusiasts of the Jaguar XK series.

Competitive Analysis

Advantage:

Provides factory-level repair information, enabling significant cost savings on labor.

Key Features

Value Proposition:

Empowers owners to perform maintenance and repairs themselves, saving $50-$60 per hour in shop labor.

Usability:

Easy to use, even for those not highly skilled with computers. Information can be printed as needed.

📋 Manual Details

Coverage Areas

Model Years Covered:

1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961

Styles Covered:

All Styles (Open Two Seater/OTS, Drophead Coupe/DHC, Fixed Head Coupe/FHC)

Page Count

Estimated Page Count:

Hundreds of Pages

Manual Type

Manual Type:

Factory Service Repair Manual

Authenticity:

Actual Genuine Factory Manuals (Not 3rd Party)

Language

Language:

English

Format

File Format:

PDF Download

Printability:

Printable (entire manual or selected pages)

📖 Manual Coverage

Systems Covered

Engine Service Repair:

Comprehensive coverage of engine maintenance, diagnostics, and repair.

Transmission Service Repair:

Detailed procedures for transmission maintenance and repair.

Brake System:

Coverage of all aspects of the brake system.

Electrical System:

In-depth coverage including detailed wiring diagrams.

Suspension:

Complete information on suspension maintenance and repair.

Steering:

Guidance on steering system maintenance and repair.

Cooling System:

Detailed procedures for the cooling system.

Fuel System:

Coverage of fuel injection and fuel system components.

Chassis Body:

Repair and maintenance information for the chassis and body.

Differential Drive:

Detailed coverage of the differential and drive axle systems.

Interior:

Information pertaining to the vehicle's interior.

Procedures Included

General Maintenance:

Step-by-step guides for routine maintenance tasks.

Troubleshooting:

Advanced troubleshooting guide for diagnosing and correcting problems.

Periodic Lubrication:

Specific lubrication points and schedules.

Electrical Diagnostics Repair:

Combined troubleshooting and electrical service procedures with wiring diagrams.

Rebuild Refurbish Restore:

Comprehensive guidance for complete vehicle rebuilds and restorations.

Technical Depth

Depth Of Information:

Covers all aspects of repair, maintenance, and diagnostics, as used by factory-trained technicians.

Diagnostic Procedures:

Detailed diagnostic and repair procedures.

Illustrations Diagrams:

Includes all necessary illustrations, drawings, and photos.

Notes Cautions Warnings:

Critical information highlighted with notes, cautions, and warnings.

Instruction Format:

Numbered instructions and substeps for clarity.

Illustration Matching:

Bold figure numbers for easy matching of illustrations to text.

Part Identification:

Enlarged inset views for detailed examination of parts.

Navigation:

Numbered table of contents for fast information retrieval.

Searchability:

Searchable PDF functionality for quick access to specific topics.

📊 Manual Specifications

File Format

Digital Format:

Compatibility:

Compatible with all PC-based Windows operating systems and Mac.

Storage:

Can be saved to hard drive or burned to CD-ROM.

Print Quality

Resolution:

High Resolution

Binding Type

Binding:

N/A (Digital Download - Print on Demand)

Paper Type

Paper Type:

N/A (Digital Download - Print on Demand)

Delivery

Delivery Method:

Instant Download Link on Checkout Page

Requirements

Software Requirement:

Adobe PDF Reader

⚙️ Engine Specifications

Primary Engine

Engine Type:

Inline 6-Cylinder, DOHC (Double Overhead Camshaft)

Performance

Displacement Xk120:

3.4 Liters (3442 cc)

Horsepower Xk120 Std:

160 bhp @ 5000 rpm (Standard)

Horsepower Xk120 M:

180 bhp @ 5500 rpm (Modified)

Horsepower Xk120 C:

210 bhp @ 5750 rpm (Competition)

Displacement Xk140:

3.4 Liters (3442 cc)

Horsepower Xk140:

190 bhp @ 5500 rpm

Displacement Xk150:

3.4 Liters (3442 cc) / 3.8 Liters (3781 cc)

Horsepower Xk150 3.4:

210 bhp @ 5500 rpm

Horsepower Xk150 3.8:

250 bhp @ 5500 rpm (S Spec)

Fuel System

Carburetors:

SU Carburetors (typically twin or triple, depending on variant)

Fuel Type:

Premium Unleaded Gasoline

🔧 Transmission

Standard

Transmission Type:

4-Speed Manual (Moss Gearbox)

Optional

Overdrive:

Optional Laycock de Normanville Overdrive on some models.

Features

Clutch:

Single Dry Plate Clutch

📐 Dimensions

Exterior

Wheelbase Xk120:

Approx. 102 inches (2591 mm)

Wheelbase Xk140 Xk150:

Approx. 104 inches (2642 mm)

Weights

Curb Weight Approx:

3,000 - 3,300 lbs (1360 - 1500 kg), varies by body style

🛡️ Safety Features

Ratings

Crash Test Era:

Vehicles from this era predate modern crash testing standards and ratings.

Active Features

Brakes:

Hydraulic Drum Brakes (Front and Rear)

Steering Assistance:

Manual Rack and Pinion Steering

Passive Features

Seatbelts:

Not standard equipment, often retrofitted.

Safety Structure:

Body-on-chassis construction typical of the era.

💡 Technology Features

Infotainment

Infotainment System:

Basic AM radio (optional), primarily focused on driving experience.

Driver Assistance

Driver Assistance Features:

None by modern standards. Focus is on mechanical feedback and driver skill.

Connectivity

Connectivity:

🔧 Maintenance

Service Intervals

Oil Change Interval:

Recommended every 3,000 miles or 6 months (typical for the era).

Grease Points:

Periodic greasing of chassis lubrication points is critical, detailed in the manual.

Fluid Specifications

Engine Oil Type:

API SF or SG rated multi-viscosity oil (e.g., 20W-50 or 10W-30, consult manual for specific recommendations).

Coolant Type:

Ethylene Glycol based antifreeze mixed with distilled water (50/50 ratio).

Brake Fluid Type:

DOT 3 or DOT 4 Hydraulic Brake Fluid (refer to manual for exact specification).

Known Issues

Common Wear Items:

Kingpins, bushings, brake hydraulics, clutch wear, oil leaks, wiring harness degradation.

Engine Specifics:

Valve guide wear, oil pressure issues, potential for overheating if cooling system is not maintained.

📚 Vehicle History

Brand Heritage

Heritage Context:

Jaguar's reputation for producing stylish, high-performance sports cars was solidified by the XK series.

Model Evolution

Xk120 Introduction:

Launched in 1948 as a concept, it was an instant sensation, redefining the sports car market.

Xk140 Enhancements:

Introduced in 1954 with improved handling, increased performance, and better comfort.

Xk150 Design Changes:

Launched in 1957, featuring a more modern design with a wraparound windscreen and disc brakes as standard.

Production

Production Location:

Coventry, England

🏆 Awards & Recognition

Recognitions

Historical Significance:

Iconic status in automotive history, celebrated for its performance, design, and racing pedigree.