Market Position:
The Jaguar S-Type was positioned as a luxurious and sporting saloon, competing with other premium marques of the era. This manual is essential for maintaining its performance and classic appeal.
Competitive Vehicles:
Primary competitors included models from Rover, Humber, Triumph, and some European luxury sedans, though the S-Type often offered a distinct blend of performance and refinement.
Key Features Of Vehicle:
Distinctive styling, powerful straight-six and V8 engines, luxurious interior appointments, comfortable ride, sporty handling characteristics.
Manual Purpose:
To provide comprehensive guidance for the repair, maintenance, and overhaul of the Jaguar S-Type, enabling owners and technicians to preserve the vehicle's original specifications and performance.
Engine Systems:
Engine tune-ups, lubrication system, cooling system, fuel system (carburetor and fuel delivery), ignition system (distributor, coil, spark plugs), exhaust system, engine disassembly/assembly, engine overhaul.
Transmission Systems:
Transmission removal/installation, transmission disassembly/assembly, overdrive unit service (if applicable), clutch service.
Drivetrain Systems:
Rear axle, propeller shaft, driveshafts.
Suspension Systems:
Front suspension (independent coil spring, wishbones), rear suspension (live axle, leaf springs), shock absorbers, steering.
Braking Systems:
Front disc brakes, rear drum brakes, brake hydraulic system (master cylinder, wheel cylinders, lines), parking brake.
Electrical Systems:
Wiring diagrams, charging system (generator/alternator, regulator), starting system (starter motor), lighting system, instruments, accessories, ignition switch.
Body And Chassis:
Body repair, doors, windows, interior trim, seats, bumpers, paintwork considerations.
Steering System:
Power-assisted steering (Burman or Marles), steering column, steering rack/box adjustments and overhaul.
Interior Systems:
Upholstery, dashboard layout, heating system (if equipped), ventilation.
Maintenance Procedures:
Routine maintenance, lubrication schedule, fluid changes, filter replacements, tune-ups, brake adjustments, clutch adjustments.
Diagnostic Procedures:
Troubleshooting guides for common issues, diagnostic flowcharts, symptom-based diagnostics.
Repair Procedures:
Step-by-step instructions for component removal, installation, disassembly, and reassembly.
Overhaul Procedures:
Detailed instructions for rebuilding major components like engines, transmissions, and differentials.
Safety Warnings Emphasis:
Emphasizes safety with specific WARNING, CAUTION, and NOTE designations for critical procedures.
Depth:
In-depth, professional-level technical information suitable for experienced mechanics and dedicated enthusiasts. Covers component-level repairs and major overhauls.
Special Tools Mention:
Manual references special tools often identified by Jaguar part numbers, essential for specific adjustments and repairs.
Engine Options:
3.4L XK straight-six, 3.8L XK straight-six, 4.2L XK straight-six (later models), potential for V8 conversions in enthusiast circles.
Horsepower Range:
Approximately 210-265 bhp depending on engine variant and tuning.
Torque Range:
Approximately 215-280 lb-ft depending on engine variant.
Carburetion:
Typically twin SU carburetors (e.g., HD6) or Zenith Stromberg carburetors on later models. Fuel injection was not standard in these years.
Fuel Type:
Premium Unleaded Gasoline (Octane rating requirement will be detailed in the manual).
Engine Layout:
Inline-6 Cylinder (XK engine family)
Displacement Variants:
3442 cc (3.4L), 3794 cc (3.8L), 4235 cc (4.2L)
Oil Change Interval:
Typically every 3,000 miles or 6 months, depending on usage and oil type. Manual will provide specific guidance.
Grease Points:
Regular chassis lubrication at specified intervals (e.g., every 1,000-3,000 miles) is crucial for suspension and drivetrain longevity.
Engine Oil Type:
API SF or SG rated oil, viscosity typically SAE 20W-50 or 10W-40 depending on climate. Manual will specify exact grades.
Coolant Type:
A mixture of distilled water and ethylene glycol-based antifreeze. Specific mix ratio for optimal protection provided in manual.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Manual will specify correct type and bleed procedure.
Transmission Fluid Type Auto:
BorgWarner Type 3 or Dexron-III compatible fluid (depending on original fill and replacement recommendations). Manual will detail.
Differential Oil Type:
Hypoid gear oil, viscosity SAE 90. Manual will specify API GL-4 or GL-5 rating.
Common Issues:
Rust (particularly around wheel arches, sills, and door bottoms), carburetor tuning difficulties, potential for oil leaks (especially from rear crankshaft seal), aging electrical components, cooling system maintenance.
Body Rust Prone Areas:
Wheel arches, rocker panels (sills), door bottoms, rear spring hangers, bulkhead area.
Oil Filter Part Number Example:
Various compatible filters exist, e.g., Fram PH43, Wix 51515. Manual may list specific Jaguar numbers or equivalent aftermarket.
Air Filter Part Number Example:
Varies by carburetor type. Manual will be specific.
Brand Heritage:
Jaguar Cars has a long-standing reputation for producing elegant, high-performance, and luxurious sports cars and saloons, with a rich racing history.
Model Evolution Overview:
The S-Type, launched in 1963, was designed to slot between the smaller Mark 2 and the larger Mark X. It shared its chassis and some mechanicals with the Jaguar Mark 2 but featured independent rear suspension and a more modern styling. It was replaced by the Jaguar 420 and later the XJ series.
Production Period:
1963-1968
Manufacturing Plant:
Jaguar Cars, Coventry, England
