Target Audience:
Jaguar XJ6 (X300) and XJ12 owners, independent repair shops, Jaguar enthusiasts.
Competitors:
BMW 7 Series, Mercedes-Benz S-Class, Lexus LS, Audi A8 of the same era.
Vehicle Appeal:
Renowned for its classic styling, refined ride, powerful engines (especially the AJ16 inline-six and the robust V12), and luxurious interior appointments.
Value Proposition:
Provides a deep dive into the technical intricacies of the X300 platform, crucial for maintaining and repairing these sophisticated luxury vehicles, often neglected by less specialized manuals.
Primary Coverage:
Service, Repair, Technical Guide
Specific Sections:
General Information, Engine, Emission & Engine Management, Air and Fuel Delivery, Cooling, Exhaust, Automatic Gearbox, Manual Gearbox, Propshafts & Halfshafts, Rear Axle, Steering, Suspension, Brakes, Electrical System, Interior Trim, Body & Fittings, Accessories & Consumables, Vehicle Service Manual, Jacking/Lifting/Recovery, Electrical Diagnostics, Unit Service Manual (AJ16 Engine, ZF Automatic Transmission), Technical Guides (Electrical - Speed Control, Lighting, Climate Control, Seats, Door Locks, Security, In-Car Entertainment)
Estimated Page Count:
Over 2000 PDF pages
Type:
Comprehensive Technical Guide and Service Repair Manual
Powertrain:
AJ16 4.0L I6 engine, V12 engine (XJ12), ZF automatic transmission, Manual transmission (if applicable, though predominantly automatic), Driveshafts, final drive, rear axle.
Chassis:
Steering system (hydraulic power steering), Suspension systems (front and rear, including adaptive damping if equipped), Road wheels and tires, Brake system (ABS, ventilated discs, caliper service).
Body & Electrical:
Body and fittings, Interior trim, Climate control systems (HVAC), Electrical system (lighting, power windows, seats, locks, security, infotainment, engine management sensors and actuators, diagnostic connectors), Body repair and systems.
Maintenance:
Routine service intervals, fluid checks and changes, filter replacement, lubrication.
Repair & Diagnostics:
Detailed diagnostic procedures, troubleshooting guides for electrical and mechanical faults, engine rebuild procedures, transmission overhaul, brake component replacement, suspension and steering component repair, body panel repair, climate control system diagnosis and repair, electrical component testing and replacement.
Technical Specifications:
Torque specifications, clearances, diagnostic trouble codes (DTCs), wiring diagrams, component locations, fluid capacities, electrical values.
Depth:
Highly detailed, covering from basic maintenance to complex diagnostic and repair procedures for all major systems. Includes specific electrical guides for year ranges and unit service manuals for key components.
Format:
PDF (Portable Document Format)
Illustrations:
Over 2000 high-quality PDF illustrations
Binding:
Not Applicable (Digital PDF)
Paper:
Not Applicable (Digital PDF)
Reader:
Adobe Acrobat Reader (included for viewing/printing)
Compatibility:
Windows 95, 98, 98SE, NT, ME, 2000, XP; Compatible with Mac
Jaguar Xj6:
AJ16 4.0 Liter DOHC Inline-6
Jaguar Xj12:
5.3 Liter (325 cu in) 60 Degree V12 SOHC
Horsepower Xj6:
Approximately 245 hp (for the 4.0L) and 303 hp (for the 4.0L Supercharged variant, though not explicitly mentioned as covered, the base engine is confirmed).
Torque Xj6:
Approximately 284 lb-ft (for the 4.0L)
Horsepower Xj12:
Approximately 318 hp
Torque Xj12:
Approximately 343 lb-ft
Injection:
Multi-point Fuel Injection (MPI) with Jaguar's Engine Management System (EMS)
Systems:
Catalytic converters, Oxygen sensors, EGR (Exhaust Gas Recirculation), Secondary air injection (depending on market and year).
Type Xj6:
ZF 4HP24 Electronically Controlled Automatic Transmission
Type Xj12:
ZF 4HP24 Electronically Controlled Automatic Transmission
Manual Availability:
Manual transmission not a primary option for these models, primarily automatic.
Shift Modes:
Comfort/Sport modes (driver selectable on some models)
Transmission Fluid Type:
Typically Dexron III (Mercon compatible), consult specific manual for exact Jaguar specification (e.g., JLM 20106/20107).
Wheelbase:
118.5 inches (3010 mm)
Length:
197.8 inches (5024 mm)
Width:
71.7 inches (1821 mm)
Height:
53.9 inches (1370 mm)
Curb Weight Xj6:
Approx. 4000-4200 lbs (1814-1905 kg)
Curb Weight Xj12:
Approx. 4300-4500 lbs (1950-2041 kg)
Bolt Pattern:
5 x 120.65 mm (5 x 4.75 in)
Standard Tire Size Xj6:
205/65R15, 215/60R16 (optional/later models)
Standard Tire Size Xj12:
215/60R16
NHTSA Ratings:
Specific NHTSA ratings for this era are not readily available in public databases, but were generally considered safe for their time, reflecting contemporary luxury car standards.
Braking:
Anti-lock Braking System (ABS), ventilated front and rear disc brakes.
Traction Control:
Traction Control System (TCS) available on some models.
Airbags:
Driver and front passenger airbags.
Restraints:
Seat belts with pre-tensioners, side-impact protection beams.
Audio System:
Premium audio systems, often with cassette players and CD changers (optional), high-quality speaker setups (e.g., Alpine).
Cruise Control:
Standard cruise control system covered in technical guides.
HVAC System:
Automatic climate control with dual-zone capability, serviced within the manual.
Anti Theft:
Factory alarm and immobilizer system, covered in electrical diagnostics.
Oil Change:
Typically every 5,000 miles or 6 months, whichever comes first. (Consult manual for exact mileage for specific engine variant).
Major Service:
Spark plug replacement, coolant flush, transmission fluid service typically around 60,000-100,000 miles, depending on conditions and fluid type. Timing chain inspection/maintenance (AJ16 chain is robust but requires checks).
Engine Oil:
5W-30 or 10W-40 synthetic oil meeting API SG/SH or ACEA A2/A3 specifications. Capacity approx. 7.5 quarts (7.1 liters) for 4.0L, 9.5 quarts (9.0 liters) for V12. Always verify with manual.
Coolant:
Ethylene glycol-based antifreeze with corrosion inhibitors, typically a 50/50 mix with distilled water. Jaguar specifications like JLM 2097 may apply.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Common Problems:
Headliner sagging, '80s Jaguar' electrical gremlins (though X300 is improved, still requires diligent maintenance), Nikasil cylinder bore issues (early 4.0L engines, later 4.0L and all AJ16 engines use aluminum-silicon bore coating and are not affected), plastic thermostat housing cracks, ABS sensor failures, minor coolant leaks from hose connections or the plastic thermostat housing, door seal degradation.
Maintenance Recommendations:
Regularly inspect coolant hoses and plastic components, keep electrical connections clean and sealed, service transmission fluid diligently, use high-quality engine oil and filters.
Legacy:
Jaguar has a long-standing reputation for building luxurious, sporting automobiles with distinctive styling and engineering.
X300 Introduction:
The X300 was a significant redesign of the XJ series, bringing a more modern interpretation of classic Jaguar styling, improved aerodynamics, and enhanced safety features compared to its predecessor (XJ40). It marked a return to more classic lines.
Manufacturing Location:
Coventry, England
Platform:
The X300 platform was produced from 1994 to 1997, with this manual covering the later years of this generation.
