Target Audience:
Mechanics, DIY enthusiasts, and Jaguar owners seeking to maintain or repair their 1967-1969 Jaguar 340.
Value Proposition:
Provides a complete, detailed, and authoritative resource for servicing the Jaguar 340, crucial for preserving the vehicle's classic status and functionality.
Comprehensiveness:
Over 978 pages of detailed information, covering virtually every aspect of the vehicle's mechanical and electrical systems.
Clarity Of Instruction:
Prepared with simple explanations and step-by-step procedures, even for less experienced personnel.
Visual Aid:
Abundant illustrations, exploded diagrams, drawings, and photographs to guide users through complex procedures.
Engine:
Detailed service, repair, and overhaul procedures for the Jaguar XK engine, including carburetion, ignition, cooling, and lubrication systems.
Transmission:
Service and repair information for the manual and automatic transmission options, including clutch, gearbox, and overdrive unit.
Chassis Suspension:
Comprehensive coverage of front and rear suspension systems, steering components, and chassis lubrication.
Brakes:
Detailed procedures for brake system maintenance, repair, and overhaul, including disc brakes and hydraulic components.
Electrical System:
Wiring diagrams, troubleshooting guides, and component service information for the automotive electrical system, including lighting, ignition, and instrumentation.
Bodywork Trim:
Information on body panel removal and installation, interior trim, and related components.
Maintenance:
Regular maintenance tasks, lubrication schedules, and fluid level checks.
Troubleshooting:
Diagnostic procedures for identifying and resolving common and uncommon faults across all vehicle systems.
Repair Overhaul:
Step-by-step instructions for component disassembly, repair, assembly, and reinstallation.
Adjustments:
Detailed procedures for setting and adjusting various vehicle components, including engine timing, carburettors, and brakes.
Special Tools:
Reference to and illustrations of required special service tools and their usage.
Detail Level:
Comprehensive, from basic adjustments to full engine and gearbox rebuilds, with detailed exploded diagrams and pictorial illustrations.
Diagnostic Focus:
Includes troubleshooting guides, fault diagnosis, and testing procedures for all major systems.
Specification Data:
Provides crucial service data, including tightening torques, wear limits, and calibration values.
Printability:
Fully printable, allowing for physical copies of specific sections or the entire manual.
Software Requirement:
Adobe Reader (or compatible PDF viewer)
Compatibility:
Windows, Mac, and Linux operating systems
Image Resolution:
High resolution for clear viewing of diagrams and illustrations.
Text Searchability:
Likely searchable text within the PDF for quick information retrieval.
Binding Type:
N/A (Digital PDF format)
Paper Type:
N/A (Digital PDF format)
Engine Type:
Jaguar XK Inline 6-Cylinder
Displacement:
3.4 Liters (3442 cc / 209.9 cu. in.)
Bore X Stroke:
3.46 in. x 4.13 in. (88 mm x 104.8 mm)
Compression Ratio:
Typically 8.0:1 or 9.0:1 depending on variant (check manual for specific values)
Horsepower Gross:
Approximately 180-190 bhp (check manual for exact figures)
Torque Gross:
Approximately 200-215 lb-ft (check manual for exact figures)
Carburetion:
Typically twin SU HD6 or Zenith-Stromberg CD2 carburetors.
Fuel Type:
Leaded gasoline (suitable for the era). Modern unleaded fuel may require additive or lead substitute. Manual will specify octane rating.
Ignition System:
Distributor-based ignition system, coil and points.
Body Style:
4-door Saloon (Sedan)
Wheelbase:
107 inches (2718 mm)
Length:
Approximately 184 inches (4674 mm)
Width:
Approximately 66 inches (1676 mm)
Height:
Approximately 59 inches (1499 mm)
Curb Weight:
Approximately 3,000-3,300 lbs (1360-1497 kg)
Crash Test Era:
Pre-modern crash testing standards. Emphasis on structural integrity and driver protection based on 1960s engineering.
Brakes:
Hydraulic disc brakes on all four wheels (standard for the era, a significant feature).
Seatbelts:
Front seatbelts were often standard or optional; rear seatbelts typically optional. Manual will detail installation and type.
Body Construction:
Steel unibody construction, designed for rigidity and passenger protection.
Audio System:
Basic AM radio, often a dealer-installed option. Aftermarket upgrades are common.
ABS:
Anti-lock Braking System (ABS) was not a feature of this model.
Power Steering:
Power steering was typically optional, improving maneuverability.
Connectivity Features:
No modern connectivity features like Bluetooth or USB ports. Focus is on mechanical and electrical functionality.
Oil Change:
Typically every 3,000-5,000 miles or 6-12 months, depending on usage. Manual will provide definitive schedule.
Tune Up:
Regular tune-ups including spark plug replacement, ignition timing adjustment, and carburettor synchronization recommended every 10,000-15,000 miles.
Engine Oil:
API SF or SG service classification, SAE 20W-50 or 10W-40 recommended (check manual for specific viscosity and type).
Coolant:
Ethylene glycol based antifreeze with corrosion inhibitors, typically a 50/50 mix with distilled water. Manual will specify capacity and type.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid. Manual will specify capacity and type, and recommended change intervals.
Transmission Fluid Manual:
GL-4 or GL-5 gear oil, viscosity dependent on temperature (e.g., 80W-90). Manual will provide specific type and capacity.
Transmission Fluid Automatic:
Dexron III (or equivalent) automatic transmission fluid. Manual will specify type and capacity.
Cooling System:
Overheating due to radiator capacity, water pump, or thermostat issues is common. Overhaul of cooling system is often necessary for reliable operation.
Engine Seals:
Oil leaks from engine seals (e.g., crankshaft seals, valve stem seals) are prevalent due to age and material degradation.
Rust Corrosion:
Corrosion, particularly in sills, wheel arches, and floor pans, is a common concern for vehicles of this era. Structural integrity checks are vital.
Electrical Wiring:
Degradation of wiring insulation can lead to electrical faults. Inspection and potential replacement of wiring harnesses are often required.
Manufacturer:
Jaguar Cars Ltd., renowned for its luxury sports cars and performance saloons.
Predecessor:
The 340 was a development of the successful Jaguar Mk II saloon, offering a blend of performance and luxury.
Positioning:
Positioned as a more affordable and slightly detuned version of the Jaguar 3.8 S-Type or 420 models, making classic Jaguar performance accessible.
Production Period:
The 340 model was produced for a relatively short period, approximately from 1967 to 1968/1969, replacing the earlier 240/340 models.
