🏷️ Basic Information

Make:

Jaguar

Model:

240 / 340

Years Covered:

1967, 1968, 1969

👋 Introduction

Era Focus:

Classic Jaguar sports saloons offering a blend of performance, luxury, and distinctive styling.

Key Competitors:

Competed with other luxury sports saloons of its era, such as certain models from Rover, Rover P6, and potentially larger offerings from BMC.

Design Philosophy:

Rooted in the classic Jaguar design language, emphasizing elegance, performance, and driver engagement.

Manual Utility:

Designed as an indispensable guide for maintenance, diagnosis, and repair, catering to both professional technicians and dedicated enthusiasts.

📋 Manual Details

Primary Coverage:

Workshop Service Repair

Total Pages:

978

Type:

Service Manual / Workshop Manual / Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Detailed disassembly, assembly, inspection, and repair of engine components including cylinder head, block, pistons, crankshaft, camshaft, timing gear, oil pump, and cooling system.

Engine Management:

Ignition system, fuel system (carburetor tuning and overhaul, fuel pump), emission control systems (if applicable).

Transmission Manual:

Overhaul and repair procedures for manual transmissions, clutch operation, and related components.

Drivetrain:

Rear axle assembly, driveshafts, universal joints, differential inspection and overhaul.

Suspension:

Front and rear suspension systems, shock absorbers, springs, bushings, wheel bearings, steering geometry adjustments.

Brakes:

Hydraulic brake system, disc brake caliper overhaul, brake pad replacement, master cylinder, wheel cylinder, brake lines, bleeding procedures.

Steering:

Steering box, steering column, tie rods, steering linkages, adjustment and repair.

Electrical System:

Wiring diagrams, starter motor, generator/alternator, battery, lighting systems, ignition switch, fuses, relays, instrument cluster.

Body And Chassis:

Body panel removal and installation, doors, windows, upholstery, trim, frame inspection and repair.

Heating And Ventilation:

Heater matrix, blower motor, ducting, vent controls.

Fuel Tank And Lines:

Removal, inspection, and replacement of fuel tank and lines.

Exhaust System:

Inspection, repair, and replacement of exhaust manifolds, pipes, and mufflers.

Cooling System:

Radiator, fan, water pump, thermostat, coolant hoses, and flushing procedures.

Lighting And Signals:

Headlights, taillights, turn signals, brake lights, wiring and bulb replacement.

Instruments And Gauges:

Speedometer, tachometer, fuel gauge, temperature gauge, oil pressure gauge troubleshooting and repair.

Maintenance:

Routine maintenance, lubrication, fluid changes, filter replacements, tune-up procedures.

Troubleshooting:

Diagnostic charts, symptom-based troubleshooting guides for engine, electrical, and mechanical issues.

Repair:

Step-by-step instructions for component removal, disassembly, inspection, repair, assembly, and installation.

Adjustment:

Carburetor adjustments, ignition timing, valve clearance, brake adjustments, suspension alignment.

Disassembly Assembly:

Comprehensive procedures for dismantling and reassembling all major vehicle systems and components.

Tightening Torques:

Includes specified tightening torques for critical fasteners across all systems.

Wear Limits:

Provides critical wear limits for engine components, brakes, and other wear parts.

Depth:

Comprehensive, bumper-to-bumper coverage suitable for professional mechanics and experienced DIY enthusiasts. Includes detailed procedures, specifications, and diagrams.

Special Tools:

References and illustrates the use of specific Jaguar special service tools required for certain procedures.

📊 Manual Specifications

File Type:

PDF

Printability:

Yes, all pages are printable.

Operating Systems:

Windows, Mac, Linux OS.

Software Requirement:

Adobe Reader.

Content Status:

100% complete and intact, no missing or corrupt pages/sections.

⚙️ Engine Specifications

Engine Type:

Inline 6-Cylinder, Overhead Valve (OHV)

Engine Displacement:

2488 cc (2.5 Litre for 240) and 3442 cc (3.4 Litre for 340)

Horsepower 240:

Approx. 130 bhp (gross)

Horsepower 340:

Approx. 210 bhp (gross)

Carburetion 240:

Twin SU Carburetors (e.g., HS6)

Carburetion 340:

Twin SU or Zenith-Stromberg Carburetors (depending on exact specification)

🔧 Transmission

Transmission Type:

4-speed Manual (often with optional overdrive)

Automatic Transmission:

Optional BorgWarner 3-speed Automatic Transmission available on some models.

Overdrive Availability:

Laycock de Normanville overdrive often available as an option, providing a 5th 'virtual' gear.

📐 Dimensions

Wheelbase:

Approx. 100 inches (2540 mm)

Overall Length:

Approx. 170 inches (4318 mm)

Overall Width:

Approx. 66 inches (1676 mm)

Overall Height:

Approx. 52 inches (1321 mm)

Curb Weight:

Approx. 2900-3100 lbs (1315-1406 kg) depending on specification.

🛡️ Safety Features

Era Safety Standards:

Reflects safety standards of the late 1960s; may lack modern safety features like airbags or advanced ABS.

Braking System:

Hydraulic disc brakes front and rear (Dunlop disc brakes).

Seat Belts:

Front seat belts often standard or optional, rear seat belts less common or optional.

💡 Technology Features

Radio System:

Typically fitted with analog radios, often AM/FM, with manual tuning. Modern replacements are common.

ABS:

Anti-lock Braking System (ABS) was not a standard feature on these models.

Bluetooth Usb:

N/A - Pre-dates modern connectivity standards.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000 miles (4,800 km) or 6 months, whichever comes first.

Grease Points:

Regular greasing of suspension and steering components is crucial, often at 1,000-mile intervals.

Engine Oil:

API SF or SG rated oil, SAE 20W/50 or 10W/30 depending on climate. Specific Jaguar recommendations should be consulted.

Coolant:

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

Brake Fluid:

DOT 3 or DOT 4 glycol-based brake fluid.

Bodywork Corrosion:

Prone to rust, particularly in wheel arches, sills, door bottoms, and boot floor.

Engine Oil Leaks:

Common leaks from crankshaft seals, valve covers, and oil sump due to age of seals.

Carburetor Tuning:

SU carburetors require periodic adjustment and rebuilding to maintain optimal performance and fuel economy.

Suspension Bushings:

Wear in rubber suspension bushings can lead to imprecise handling and noise.

Electrical Connections:

Older wiring can become brittle or corroded, leading to intermittent electrical faults.

📚 Vehicle History

Jaguar Legacy:

Jaguar Cars has a long-standing reputation for producing elegant, high-performance sports cars and luxury saloons.

Lineage:

The 240 and 340 are descendants of the acclaimed Jaguar Mk II saloon, sharing much of its chassis and mechanical components but with updated styling and a focus on offering a more accessible entry into Jaguar ownership.

Production Period:

These models were produced as part of the Jaguar "saloon" range during the late 1960s, bridging the gap between the Mk II and later models.