Vehicle Segment:
Luxury Sedan
Target Audience For Manual:
Jaguar XJ6 & Sovereign owners, independent repair shops, Jaguar enthusiasts, mechanics specializing in classic luxury vehicles.
Manual Value Proposition:
Provides factory-level repair and maintenance data, essential for preserving the value and functionality of a classic luxury vehicle, offering significant cost savings over dealership servicing.
Detail Level:
Hundreds of photos and illustrations, step-by-step instructions, complete disassembly guidance.
Accessibility:
Works on all PC-based Windows operating systems and Mac, printable pages.
Engine:
Comprehensive coverage of all engine variants used in the specified model years, including diagnostics, repair, and overhaul procedures.
Transmission:
Detailed procedures for automatic transmission service, repair, and diagnostics.
Brakes:
Full coverage of hydraulic and electronic brake systems, including ABS if equipped, rotor and pad replacement, caliper overhaul, and bleeding procedures.
Electrical System:
Extensive electrical schematics, wiring diagrams, component testing, troubleshooting for lighting, ignition, charging, starting, and accessory systems.
Suspension And Steering:
Detailed information on front and rear suspension components, steering rack, power steering system, alignment specifications, and component replacement.
Body And Chassis:
Procedures for body panel repair, interior trim removal and installation, door mechanisms, glass replacement, and structural component checks.
Heating Ventilation Air Conditioning HVAC:
Troubleshooting, repair, and servicing of the HVAC system, including refrigerant handling (where applicable) and component replacement.
Fuel System:
Coverage of fuel injection systems, fuel pump replacement, fuel filter servicing, and fuel tank procedures.
Cooling System:
Radiator, water pump, thermostat, hoses, and coolant specifications and replacement procedures.
Maintenance:
Routine maintenance tasks such as oil changes, filter replacements, fluid checks, and lubrication.
Troubleshooting:
Diagnostic flowcharts and procedures for identifying and resolving common and uncommon faults across all vehicle systems.
Repair:
Step-by-step instructions for component removal, repair, reassembly, and installation, from minor adjustments to major overhauls.
Diagnostics:
Guidance on using diagnostic tools (where applicable) and interpreting sensor data for fault diagnosis.
Disassembly Assembly:
Detailed instructions for complete vehicle or component disassembly and reassembly, crucial for major repairs and overhauls.
Depth Of Coverage:
Highly detailed, factory-level information suitable for both DIY enthusiasts and professional mechanics. Covers complete disassembly and reassembly.
Engine Type 1:
3.6L Inline-6 (AJ6) 'Slant Six'
Engine Type 2:
4.0L Inline-6 (AJ6) 'Slant Six'
Engine Type 3:
4.0L V8 (AJ26) - Introduced later in the XJ generation, may be covered depending on exact manual sourcing for M registration onwards.
Power Output 3.6L Approx:
190-220 hp (depending on market and tuning)
Torque Output 3.6L Approx:
250-280 lb-ft
Power Output 4.0L Approx:
200-240 hp (depending on market and tuning)
Torque Output 4.0L Approx:
270-300 lb-ft
Fuel Injection System:
Bosch L-Jetronic (early models), later models utilized more advanced Bosch fuel injection systems (e.g., Motronic).
Transmission Type:
4-speed Automatic (ZF 4HP22 or similar)
Manual Transmission Option:
Rare, typically only available on certain base models in specific markets. Primarily automatic for XJ6 and Sovereign.
Transmission Fluid Type:
Typically Dexron II or equivalent (refer to manual for exact specification and change intervals).
Crash Test Data Availability:
Limited publicly available crash test data for this era of Jaguar. Manual will detail passive safety systems.
Anti Lock Braking System ABS:
Available on later models and optional on some variants. Manual will cover its operation and diagnostics.
Airbags:
Driver-side airbag introduced later in the XJ40 generation, often as standard or optional on Sovereign models. Passenger airbags were rare or non-existent in this period for Jaguar.
Seatbelts:
Standard 3-point seatbelts, with pretensions for front occupants.
Audio System:
Typically cassette-based stereos with AM/FM radio, often from brands like Clarion or Jaguar's own system. CD changers were optional on later models.
Climate Control:
Automatic climate control with manual overrides was a hallmark of the Sovereign model, offering advanced (for its time) temperature regulation.
Cruise Control:
Standard on most models, especially Sovereign. Manual will detail its operation and troubleshooting.
Original Connectivity:
Limited to radio and cassette player. No modern connectivity features like Bluetooth or USB.
Oil Change Interval Approx:
Every 5,000 - 7,500 miles or 6-12 months (refer to manual for specific engine and oil type).
Spark Plug Replacement Interval Approx:
Every 30,000 - 50,000 miles depending on plug type (e.g., copper vs. platinum).
Timing Belt Chain Service:
The AJ6 and AJ26 engines use a timing chain, which is designed to last the life of the engine but requires periodic inspection for wear and tension. Manual will detail inspection procedures.
Engine Oil Specification:
Typically API SG/SH or higher, SAE 10W-40 or 10W-30 (consult manual for precise grade and capacity).
Coolant Specification:
Ethylene Glycol-based antifreeze, typically a 50/50 mix with distilled water. Manual will specify type and capacity.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid (refer to manual for exact specification and bleeding procedure).
Common Wear Items:
Headliner sagging, suspension bushings, door seals, various electrical gremlins (e.g., multiplex wiring system issues), heater control valve failures, seat height adjusters.
Engine Specific Notes:
Early AJ6 engines could be sensitive to cooling system maintenance. Potential for head gasket issues if overheated. Manual will detail specific engine care.
Brand Focus:
Jaguar is renowned for its blend of performance, luxury, and distinctive styling, often associated with 'grace, pace, and space'.
Generation Designation:
XJ40
Facelift Or Updates:
The XJ40 received updates throughout its production run, including engine upgrades (4.0L introduction) and styling refinements.
Production End Year:
1994
Production Period Covered By Manual:
1986-1994
