Segment:
Luxury Grand Tourer (GT), Sports Car.
Key Competitors:
Aston Martin DB7, Ferrari 400i/412, Porsche 928, Maserati Quattroporte.
Design Philosophy:
Long-nosed, rear-wheel-drive coupe/convertible with a focus on powerful V12 engines and luxurious touring capabilities.
Manual Value Proposition:
Provides essential technical information for maintaining and repairing the complex V12 engine and sophisticated systems of the XJ-S, crucial for owners and independent specialists.
Manual Scope:
Comprehensive workshop service and repair for Jaguar XJ-S, XJ-SC, XJS, and XJSC models.
Type:
Workshop Service Repair Manual
Compatibility:
Compatible with Windows, Mac, and Linux operating systems, requiring Adobe Reader.
Mechanical Systems:
Engine (V12, V12 HE, Straight-6), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Clutch, Manual Transmission, Automatic Transmission (Jaguar Borg-Warner 35/39, GM TH400), Driveshaft, Axles, Suspension (Front & Rear), Steering System, Braking System (including ABS on later models).
Electrical Systems:
Battery, Charging System, Starting System, Lighting, Instrumentation, Wiper/Washer System, Heating and Ventilation, Air Conditioning, Power Windows, Power Seats, Central Locking (where applicable), Electronic Fuel Injection (EFI), Ignition Control Modules.
Body And Chassis:
Body panel removal and installation, trim, seals, structural components.
Repair Procedures:
Removal, Installation, Disassembly, Assembly, Adjustment, Testing, Troubleshooting, Overhaul of all major components and systems.
Maintenance Procedures:
Routine maintenance, lubrication, fluid changes, filter replacements, tune-ups, inspections.
Special Tools:
References and illustrations for specialized tools required for specific repair operations.
Diagnostic Capabilities:
Detailed diagnostic procedures, fault finding guides, troubleshooting charts, symptom analysis.
Repair Complexity:
Covers everything from basic adjustments to complete engine and transmission rebuilds, including bodywork and electrical troubleshooting.
Torque Specifications:
Includes detailed torque specifications for critical fasteners in engine, transmission, suspension, and chassis components.
Wear Limits:
Provides specified wear limits and tolerances for various engine and mechanical components.
Engine Types:
5.3L (5343cc) V12 (Naturally Aspirated), 5.3L (5343cc) V12 HE (High Efficiency), 6.0L (5993cc) V12 HE.
Horsepower Range:
Approx. 244 hp to 280 hp (depending on variant and market).
Torque Range:
Approx. 290 lb-ft to 333 lb-ft (depending on variant and market).
Efi Systems:
Lucas-Girling electronic fuel injection, Bosch L-Jetronic (early models), Zytek engine management (later models).
Cylinder Head Design:
2 valves per cylinder, SOHC (single overhead camshaft per bank).
Bore X Stroke:
87.1 mm x 70.0 mm (5.3L V12).
Compression Ratio:
Varies by model: ~9.0:1 (early V12), ~10.5:1 (V12 HE), ~11.1:1 (6.0L V12).
Transmission Options:
Automatic transmission was standard on most models, with manual transmissions being rare and highly sought after.
Manual Transmission Availability:
Available on early V12 models, typically a Getrag 4-speed or an optional 5-speed manual.
Automatic Transmission Types:
Jaguar Borg-Warner Model 35 (early), Borg-Warner Model 39, General Motors Turbo-Hydramatic TH400.
Fluid Type:
Typically Dexron III (or equivalent) for automatic transmissions. Manual transmission fluid type varies, consult manual for specifics.
Wheelbase:
102.4 inches (2601 mm).
Length:
Approximately 189.2 inches (4806 mm) for coupe, longer for later models.
Curb Weight:
Approx. 3,800 - 4,300 lbs (1724 - 1950 kg).
Gross Vehicle Weight Rating:
Varies by model, typically around 5,000 lbs (2268 kg).
Crash Test Results:
Limited official crash test data available from modern agencies for early models. Later models may have improved safety features.
Braking System:
Vented front disc brakes, solid rear disc brakes. Anti-lock Braking System (ABS) introduced on later models (e.g., from 1985 onwards).
Seatbelts:
Three-point inertia reel seatbelts standard.
Airbags:
Driver airbag introduced on later models (late 1980s/early 1990s).
Audio System:
Factory fitted radio/cassette players, often with upgraded options or aftermarket installations in later years. Amplifier systems may be present.
Cruise Control:
Available on many models as an optional or standard feature.
Interior Features:
Power windows, electric seats (on higher trims), air conditioning, central locking (on later models).
Oil Change Interval:
Typically every 3,000-5,000 miles or 6-12 months, depending on usage and lubricant. Consult manual for specific intervals.
Major Service Intervals:
Scheduled inspections for cooling system, fuel system, ignition system, and driveline components at regular intervals (e.g., 12,000, 24,000 miles).
Engine Oil:
Viscosity varies by temperature. Common recommendations include 20W-50 or 10W-40 for older engines, synthetic alternatives are often recommended for modern use. Specific capacity is approximately 9-10 US quarts (8.5-9.5 liters) for V12. Consult manual.
Coolant:
Ethylene glycol-based antifreeze/coolant. Mixture of 50/50 with distilled water. Capacity approximately 20-22 US quarts (19-21 liters). Check manual for specific type.
Brake Fluid:
DOT 3 or DOT 4 brake fluid. Replace every 2-3 years.
Power Steering Fluid:
Specific type to be confirmed in the manual, typically a hydraulic fluid compatible with Jaguar's power steering system.
Manual Transmission Fluid:
Refer to manual for specific viscosity and type (e.g., GL-4 or GL-5 gear oil).
Common Problems:
Fuel leaks (especially with older rubber hoses), cooling system leaks (radiator, hoses, water pump), oil leaks (various seals), ignition system issues (spark plug wires, distributor), differential pinion seal leaks, rust (wheel arches, sills, screen surrounds), carburetor adjustments (on non-EFI models), electrical gremlins.
V12 Engine Maintenance:
Requires diligent attention to ignition and fuel system timing and settings due to its complexity. Regular spark plug replacement and ignition lead checks are crucial.
Foundation:
Jaguar Cars, Ltd. is a British luxury car manufacturer with a rich history in motorsport and performance vehicles.
Development:
Evolved from the Jaguar E-Type, designed as a more luxurious and comfortable grand tourer. Significant updates included the HE (High Efficiency) engine with a cut-away cylinder head design and the introduction of the XJ-SC Targa convertible variant.
Variant Differences:
XJ-S (Coupe), XJ-SC (Targa Convertible), XJS (Post-facelift Coupe and Convertible).
Manufacturing Location:
Coventry, England, UK.
Production Total:
Over 42,000 units produced across all variants.
