Positioning:
The Jaguar XJ-S was positioned as a luxury grand tourer, offering a blend of performance, comfort, and distinctive British styling.
Competitors:
Competed with cars like the Mercedes-Benz SL, BMW 6 Series, Porsche 928, and Chevrolet Corvette.
Design Language:
Iconic aerodynamic styling inspired by the E-Type, featuring smooth lines and a long bonnet.
Engine Lineup:
Primarily known for its V12 engines, but this manual specifically covers the 3.6L inline-six, offering a more accessible entry point.
Interior Appointments:
Luxurious interior with Connolly leather, wood trim, and a focus on driver comfort.
Body Styles:
Offered as a 2-door coupe and a 2-door convertible (XJ-SC).
Engine:
Detailed troubleshooting, repair, disassembly, assembly, and adjustment of the 3.6L inline-six engine.
Fuel System:
Fuel injection system diagnosis, repair, and component replacement (e.g., injectors, fuel pump, pressure regulator).
Ignition System:
Ignition timing, spark plugs, distributor, ignition coil, and electronic control unit (ECU) service.
Cooling System:
Radiator, water pump, thermostat, fan, and coolant system leak diagnosis and repair.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, and emissions control component service.
Transmission:
Service and repair for automatic transmission (e.g., BorgWarner BW65/BW66, depending on specific model year).
Drivetrain:
Driveshaft, universal joints, differential, and axle assembly maintenance and repair.
Suspension:
Front and rear suspension components, including wishbones, trailing arms, anti-roll bars, shock absorbers, and springs.
Steering:
Power steering system diagnosis, pump, rack, and linkage repair.
Brakes:
Hydraulic brake system, including master cylinder, brake lines, calipers, pads, rotors, and parking brake.
Electrical System:
Comprehensive coverage of wiring diagrams, lighting, charging system (alternator), starting system (starter), battery, and accessory circuits.
Body And Chassis:
Body panel repair, door mechanisms, glass, convertible top mechanisms (for XJ-SC variants), trim, and underbody structure.
Climate Control:
Air conditioning system diagnosis, repair, and component service.
Diagnostics:
Troubleshooting procedures, common faults, and diagnostic flowcharts.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, tune-ups, and inspections.
Repair:
Step-by-step repair instructions for all major vehicle systems.
Disassembly Assembly:
Detailed procedures for removing, disassembling, and reassembling vehicle components.
Adjustments:
Precise adjustment procedures for engine timing, fuel mixture, suspension geometry, and more.
Troubleshooting:
Systematic approach to diagnosing and resolving mechanical and electrical issues.
Special Tools:
Identification and usage instructions for specialized tools required for Jaguar XJ-S service.
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds. Includes technical specifications, diagrams, and detailed explanations.
Engine Type:
Inline 6-cylinder, DOHC (Double Overhead Camshaft)
Displacement:
3.6 Liters (3590 cc)
Bore X Stroke:
91.0 mm x 92.0 mm
Compression Ratio:
Approx. 9.25:1 to 9.75:1 (varies by market and exact spec)
Horsepower:
Approximately 225-235 hp (net) at 5,500 rpm
Torque:
Approximately 275-290 lb-ft (net) at 3,500 rpm
Fuel Delivery:
Bosch L-Jetronic (early) or later Lucas ignition and fuel injection systems.
Fuel Type:
Unleaded gasoline
ECU:
Electronic Control Unit (ECU) for fuel injection and ignition timing.
Length:
Approx. 4,846 mm (190.8 in)
Width:
Approx. 1,778 mm (70.0 in)
Height:
Approx. 1,270 mm (50.0 in)
Curb Weight:
Approx. 1,700 - 1,850 kg (3,750 - 4,080 lb)
Wheelbase:
Approx. 2,743 mm (108.0 in)
Oil Change:
Typically every 6,000 miles or 12 months, whichever comes first (refer to manual for exact recommendations).
Major Service:
Key checks and replacements at 12,000 or 24,000 mile intervals, including spark plugs, filters, and fluid checks.
Engine Oil:
API SF or SG, SAE 20W/50 or 10W/40 recommended (refer to manual for specific climate/load recommendations).
Coolant:
Ethylene glycol based antifreeze (e.g., Jaguar recommendation for the period) with a 50/50 mix with distilled water.
Transmission Fluid:
Dexron II or equivalent automatic transmission fluid (ATF).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
Automatic transmission fluid (ATF) or specific power steering fluid as per manual.
Engine Problems:
Potential for oil leaks from gaskets and seals, wear on timing chain tensioners, and occasional fuel injection system glitches.
Electrical Issues:
Age-related degradation of wiring harnesses, fuse box issues, and problems with older electronic components.
Body Corrosion:
Rust can be a concern, particularly around wheel arches, sills, and the underbody, requiring diligent inspection and treatment.
Suspension Wear:
Bushings and ball joints can wear over time, affecting handling and ride quality.
Cooling System Reliability:
Overheating can be an issue if the cooling system is not meticulously maintained due to potential radiator blockages or failing water pumps.
