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.