Positioning:
The Jaguar Mark X was Jaguar's flagship luxury saloon during its production run, positioned as a high-performance, spacious, and stylish grand tourer.
Competitors:
Competed with other luxury saloons like the Rolls-Royce Silver Cloud, Bentley S2/S3, Mercedes-Benz W111/W112 'Fintail' models, and high-end American sedans of the era.
Design Philosophy:
Combined Jaguar's renowned engineering for performance and handling with a focus on luxury, comfort, and sophisticated styling.
Performance Emphasis:
Featured potent XK engines, advanced independent suspension, and disc brakes, setting it apart from many contemporaries in terms of driving dynamics.
Engine:
3.8L and 4.2L XK inline-6 engines, including all components, tuning, and overhaul.
Transmission:
Manual (Moss) and Automatic (Borg-Warner DG series) transmissions, including removal, installation, and overhaul.
Suspension:
Independent front and rear suspension systems (including wishbones, coil springs, dampers, anti-roll bars), alignment specifications.
Steering:
Power assisted steering system (Burman-Marles), including pump, steering box, and linkage.
Brakes:
Dunlop disc brakes (front and rear), including hydraulic system, calipers, master cylinder, and power assistance (AP Servo).
Electrical System:
Wiring diagrams, ignition system, lighting, charging system (generator/alternator), starting system, instrumentation, and accessories.
Fuel System:
Carburetor (SU HD6/HIF6) or fuel injection systems (if applicable to later models), fuel pump, fuel lines, and tank.
Cooling System:
Radiator, water pump, thermostat, hoses, and fan.
Exhaust System:
Exhaust manifold, pipes, mufflers, and catalytic converter (if applicable to very late models).
Bodywork And Chassis:
Body shell construction, doors, windows, trim, and chassis components.
Maintenance:
Routine servicing, oil changes, filter replacements, lubrication points, tune-ups, and periodic checks.
Troubleshooting:
Diagnostic procedures for common problems, fault finding for various systems.
Removal Installation:
Detailed instructions for removing and reinstalling all major components and sub-assemblies.
Disassembly Assembly:
Step-by-step procedures for the complete disassembly and reassembly of engines, transmissions, differentials, and other units.
Adjustments:
Precise instructions for setting engine timing, valve clearances, carburetor settings, brake adjustments, and suspension alignment.
Repairs:
Specific repair procedures for common wear items, damaged components, and system failures.
Special Tools:
Identification and usage instructions for specialized tools required for specific repair and adjustment operations.
Depth:
Comprehensive, from basic maintenance to full engine and gearbox rebuilds, including detailed diagrams and specifications.
Diagrams:
Includes detailed illustrations, exploded diagrams, drawings, and photographs for clarity.
Specifications:
Contains service data, factory specifications, allowable limits, and tightening torques for all components.
Engine Type 1:
Jaguar XK Inline-6
Displacement 1:
3.8 Litres (3781 cc)
Bore Stroke 1:
87.0 mm x 102.0 mm
Compression Ratio 1:
8.0:1 (standard, optional higher compression available)
Horsepower 1:
220 bhp @ 5500 rpm (gross)
Torque 1:
283 lb-ft @ 2500 rpm (gross)
Carburetion 1:
Twin SU HD6 1.75-inch (44.45 mm) horizontal carburetors
Engine Type 2:
Jaguar XK Inline-6 (updated)
Displacement 2:
4.2 Litres (4235 cc)
Bore Stroke 2:
92.07 mm x 106.0 mm
Compression Ratio 2:
8.0:1 or 8.5:1 (depending on market and specific variant)
Horsepower 2:
265 bhp @ 5500 rpm (gross)
Torque 2:
308 lb-ft @ 4000 rpm (gross)
Carburetion 2:
Twin SU HD8 1.75-inch (44.45 mm) or Zenith Stromberg 175 CDSE carburetors (later models)
Fuel Type:
Premium Unleaded Gasoline
Oil Change:
Recommended every 3,000 miles or 6 months, whichever comes first. Specific oil types and capacities are detailed in the manual.
Tune Up:
Periodic tune-ups including spark plug replacement, ignition timing adjustment, and carburetor synchronization are crucial. Intervals vary based on usage but are thoroughly outlined.
Engine Oil Type:
API SF/SG or equivalent, viscosity grade typically 20W-50 or 10W-50 depending on climate. Refer to manual for precise OEM recommendations.
Coolant Type:
Ethylene glycol-based coolant with anti-corrosion inhibitors. Capacity detailed in manual.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Manual specifies precise type and bleeding procedures.
Transmission Fluid Manual:
Gear oil for manual gearbox (API GL-4 or GL-5 recommended). Specific type and capacity in manual.
Transmission Fluid Automatic:
Type 'A' or Dexron-II automatic transmission fluid for Borg-Warner gearbox. Capacity and change intervals detailed.
Differential Fluid:
Hypoid gear oil (API GL-5) for rear axle differential. Capacity and change intervals specified.
Common Problems Overview:
Age-related issues such as electrical component degradation, carburetor tuning, suspension wear, and potential corrosion. The manual addresses these comprehensively.
Carburetor Tuning:
SU carburetors require periodic adjustment for optimal performance and fuel economy. Manual provides detailed procedures.
Suspension Wear:
Bushings, ball joints, and dampers are wear items requiring regular inspection and replacement as per manual recommendations.
Electrical Gremlins:
Classic car electrical issues are common; the detailed wiring diagrams and troubleshooting sections are invaluable.
Jaguar Legacy:
Built upon Jaguar's heritage of producing sophisticated, high-performance vehicles with a strong emphasis on racing and luxury.
Series 1:
Launched in 1961 as the Mark X, featuring the 3.8-liter XK engine and a distinct styling by Malcolm Sayer. Known for its spacious interior and advanced independent suspension.
Series 2:
In 1964, the Mark X was updated to Series 2 specification, receiving the larger 4.2-liter XK engine and a revised Borg-Warner 3-speed automatic transmission. Minor styling refinements were also made.
Predecessor Successor:
Succeeded the Jaguar Mark IX and was effectively replaced by the Jaguar XJ6 in 1968, though the Mark X continued production alongside the XJ6 for a short period.
Manufacturing Location:
Coventry, England
