Vehicle Segment:
        
        
            Luxury Grand Tourer (GT)
        
     
    
        
            Target Audience:
        
        
            Enthusiasts and owners seeking in-depth knowledge for maintenance, repair, and restoration of their Jaguar XJ-S.
        
     
    
    
        
            Competitors:
        
        
            BMW 6 Series, Mercedes-Benz SEC Coupe, Porsche 928, Aston Martin V8 Vantage.
        
     
    
    
        
            Manual Value Proposition:
        
        
            Provides comprehensive, factory-level repair and maintenance data essential for preserving the performance and value of a classic Jaguar.
        
     
    
        
            Visual Aids:
        
        
            Contains detailed photos and exploded diagrams to illustrate repair procedures.
        
     
 
    
    
    
        
            Engine:
        
        
            Covers all engine variants, including V12 and inline-6 (AJ6) configurations. Detailed diagnosis, overhaul, and tuning procedures.
        
     
    
        
            Transmission:
        
        
            Detailed coverage of automatic transmission (e.g., ZF 4HP22, GM TH400) and manual transmission (if applicable for specific models). Includes removal, installation, overhaul, and troubleshooting.
        
     
    
        
            Fuel System:
        
        
            Comprehensive diagnostics and repair for fuel injection systems (e.g., Lucas/Bosch), fuel pumps, injectors, and fuel lines.
        
     
    
        
            Ignition System:
        
        
            Detailed information on ignition timing, coil packs, spark plugs, distributor (if applicable), and electronic control units (ECU).
        
     
    
        
            Cooling System:
        
        
            Diagnosis and repair of radiators, water pumps, thermostats, hoses, and cooling fans. Includes coolant specifications.
        
     
    
        
            Exhaust System:
        
        
            Information on exhaust manifold, catalytic converters, mufflers, and exhaust pipe repairs and replacement.
        
     
    
        
            Brakes:
        
        
            Detailed procedures for hydraulic systems, ABS (if equipped), brake pads, rotors, calipers, lines, and master cylinder.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, including wishbones, springs, shock absorbers, bushings, and alignment procedures.
        
     
    
        
            Steering:
        
        
            Power steering system, steering rack, pump, hoses, and steering column adjustments.
        
     
    
        
            Electrical System:
        
        
            Extensive coverage of wiring diagrams, battery, alternator, starter motor, lighting, fuses, relays, and onboard diagnostics.
        
     
    
        
            Bodywork:
        
        
            Body panel alignment, repair procedures, door mechanisms, window regulators, and convertible top mechanisms (if applicable).
        
     
    
        
            HVAC:
        
        
            Air conditioning system, heater core, climate control unit, and ventilation system diagnosis and repair.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance tasks, oil changes, filter replacements, fluid checks and changes, tune-ups, and lubrication.
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostic procedures for identifying and resolving common and uncommon faults across all vehicle systems.
        
     
    
        
            Repair:
        
        
            Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.
        
     
    
        
            Diagnostics:
        
        
            Detailed diagnostic charts, fault codes (if applicable), and testing procedures for electrical and mechanical systems.
        
     
    
        
            Overhaul:
        
        
            Complete engine, transmission, and differential rebuild procedures with detailed specifications.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering everything from basic fluid checks to complete engine and transmission rebuilds. Aimed at professional mechanics and experienced DIY enthusiasts.
        
     
 
    
    
    
        
            V12 Displacement Liters:
        
        
            5.3 L (5343 cc)
        
     
    
        
            V12 Engine Code:
        
        
            5.3 V12 HE (High Efficiency)
        
     
    
        
            V12 Horsepower Hp:
        
        
            Approx. 263 hp @ 5500 rpm (European spec), often lower in US spec due to emissions controls.
        
     
    
        
            V12 Torque Lb Ft:
        
        
            Approx. 318 lb-ft @ 3000 rpm (European spec)
        
     
    
    
        
            Inline6 Displacement Liters:
        
        
            3.6 L (3590 cc) and later 4.0 L (3980 cc) AJ6 engines
        
     
    
        
            Inline6 Horsepower Hp:
        
        
            Approx. 225 hp (3.6L), Approx. 245 hp (4.0L)
        
     
    
    
        
            V12 Fuel Injection:
        
        
            Lucas/Jaguar electronic fuel injection (EFI)
        
     
    
        
            Inline6 Fuel Injection:
        
        
            Bosch L-Jetronic or later Lucas EFI
        
     
    
    
        
            ECU Types:
        
        
            Various ECUs depending on year and engine, including Jaguar/Lucas and potentially Bosch variants.
        
     
 
    
    
    
        
            Oil Change Interval Miles:
        
        
            Typically 3,000-5,000 miles or 6-12 months, depending on usage and oil type (refer to specific manual sections).
        
     
    
        
            Major Service Interval Miles:
        
        
            20,000-30,000 miles for spark plug replacement, coolant change, and comprehensive inspection.
        
     
    
    
        
            Engine Oil V12 Type:
        
        
            API SF/SG, SAE 10W-40 or 20W-50 (check manual for specific climate and engine condition recommendations).
        
     
    
        
            Engine Oil Inline6 Type:
        
        
            API SF/SG, SAE 10W-40 or 10W-30.
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Specific Jaguar coolant may be recommended.
        
     
    
        
            Transmission Fluid Automatic:
        
        
            Dexron III or equivalent for ZF 4HP22; Type A Suffix A or equivalent for GM TH400 (verify specific transmission).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid.
        
     
    
        
            Power Steering Fluid:
        
        
            Mercon or equivalent Automatic Transmission Fluid (ATF).
        
     
    
    
        
            Cooling System V12:
        
        
            Overheating due to inefficient cooling system design, especially under load; potential for head gasket issues if overheated.
        
     
    
        
            Electrical Gremlins:
        
        
            Lucas electrical components, particularly wiring harnesses and connectors, can be prone to degradation and causing intermittent faults.
        
     
    
        
            Fuel System Leaks:
        
        
            Deterioration of fuel hoses and seals can lead to fuel leaks.
        
     
    
        
            Suspension Bushings:
        
        
            Wear in suspension bushings leading to imprecise handling and noise.
        
     
    
    
        
            V12 Spark Plugs:
        
        
            V12 engines have 12 spark plugs, requiring careful access and replacement. Incorrect installation can cause misfires.