Positioning:
The Jaguar XJ6 of the late 1980s represented a significant evolution for Jaguar's flagship sedan, blending traditional luxury with emerging automotive technologies. This manual serves as an indispensable resource for owners and technicians looking to maintain and repair this refined British luxury vehicle.
Competitors:
Competed with luxury sedans such as the Mercedes-Benz W126 S-Class, BMW E32 7 Series, and Rolls-Royce Silver Spirit.
Highlight:
The XJ40 generation introduced a more modern, yet still elegant, design language. This manual provides the critical technical information needed to keep its complex systems functioning optimally.
General Maintenance:
True
Engine Service Repair:
True
Transmission Service Repair:
True
Periodic Lubrication:
True
Fuel Injection Fuel System:
True
Engine Control System:
True
Estimated Pages:
Varies by specific manual edition, typically 800-1200 pages for a comprehensive factory-level manual.
Type:
Service and Repair Manual
Powertrain:
Engine (AJ6 inline-six), fuel injection (Bosch LH-Jetronic), ignition, cooling, exhaust, transmission (ZF 4HP22 automatic, Getrag 260 manual - where applicable).
Chassis And Suspension:
Front and rear suspension (independent, unequal wishbones front, trailing arms rear), steering system (power assisted rack and pinion), brake system (four-wheel disc, ABS - where applicable).
Electrical System:
Complete electrical schematics, wiring diagrams for all circuits, lighting, instrumentation, power windows, central locking, climate control, engine management electronics.
Body And Interior:
Body construction, interior trim, seating, doors, windows, HVAC system, body repair procedures, corrosion prevention.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-ups, lubrication points, tire rotation.
Repair:
Detailed step-by-step repair procedures for all major mechanical and electrical components, including engine overhaul, transmission rebuild, brake caliper replacement, suspension component renewal.
Diagnostics And Troubleshooting:
Systematic troubleshooting guides, diagnostic fault codes (where applicable), symptom-based problem solving, electrical diagnostic flowcharts.
Depth:
Comprehensive factory-level coverage, suitable for professional technicians and advanced DIY enthusiasts. Includes detailed specifications, torque values, special tool requirements, and diagnostic procedures.
Software Requirements:
Adobe PDF Reader, WinZip (or equivalent decompression utility)
Platform Compatibility:
All versions of Windows & Mac
Quality:
Digital, high-resolution scans ensuring clarity of text and diagrams. Searchable PDF content.
Type:
Digital Download (no physical binding)
Type:
Not Applicable (Digital Format)
Engine Code Variant:
AJ6 (3.6L and later 4.0L)
Configuration:
Inline-six cylinder, DOHC, 24 valves
Horsepower 3.6L:
Approx. 220-225 bhp (depending on market and spec)
Torque 3.6L:
Approx. 260-265 lb-ft
Horsepower 4.0L:
Approx. 245-260 bhp (depending on market and spec)
Torque 4.0L:
Approx. 290-300 lb-ft
Injection System:
Bosch LH-Jetronic fuel injection
Fuel Type:
Unleaded gasoline
Type:
ZF 4HP22 4-speed automatic
Type:
Getrag 260 5-speed manual (less common in North America)
Automatic Modes:
Sport and Economy modes on some automatic transmissions.
Automatic Transmission Fluid:
Jaguar recommends Esso LT 71141 or equivalent ATF (check specific model manual for exact specification and capacity).
Wheelbase:
Approx. 113 inches (2870 mm)
Length:
Approx. 197 inches (5004 mm)
Width:
Approx. 70.1 inches (1780 mm)
Height:
Approx. 54.2 inches (1377 mm)
Curb Weight:
Approx. 3800-4000 lbs (1725-1815 kg), depending on configuration.
Crash Test Information:
No extensive official crash test data widely available for this specific model year from modern standardized agencies. Focus was on robust construction typical of Jaguar.
ABS:
Anti-lock Braking System (ABS) available as an option on many models.
Airbags:
Driver's side airbag standard on most later models, passenger airbag not common for this era.
Seatbelts:
Three-point seatbelts front and rear, sometimes with pre-tensioners.
Oil Change Interval:
Typically every 6,000 miles or 6 months, but consult manual for exact recommendation based on driving conditions.
Spark Plug Replacement:
Refer to manual, often around 30,000 miles for standard plugs.
Timing Belt Chain:
AJ6 engines use a timing chain, which typically requires inspection but not periodic replacement unless noisy or problematic.
Engine Oil Type:
API SJ or higher, viscosity 10W-40 or 20W-50 depending on climate. Check manual for specific grades.
Coolant Type:
Ethylene glycol-based antifreeze. Jaguar recommended a specific mix ratio (often 50/50).
Brake Fluid Type:
DOT 3 or DOT 4, according to manufacturer specification.
Electrical Gremlins:
Known for occasional electrical issues, particularly with wiring harnesses and grounds, requiring systematic diagnosis.
Head Gasket:
While robust, the AJ6 engine can be susceptible to head gasket issues if overheated, a common point of inspection.
Cooling System Leaks:
Radiator, hoses, and water pump can develop leaks over time and require diligent maintenance.
Suspension Bushings:
Wear in suspension bushings can lead to a less precise ride and is a common replacement item.
Legacy:
Jaguar has a long-standing reputation for producing luxurious, high-performance grand tourers and sports cars, known for their elegant styling and sophisticated engineering.
Generation:
The 1989 XJ6 is part of the XJ40 generation (1986-1994), which replaced the long-running Series III XJ and represented a significant modernization of Jaguar's flagship sedan.
Manufacturing Location:
Coventry, England
