Model Segment:
Full-size luxury sedan
Brand Perception:
Jaguar represented luxury, performance, and refined craftsmanship in its segment.
Key Competitors:
BMW 7 Series, Mercedes-Benz S-Class, Audi V8, Rolls-Royce Silver Spirit.
Design Philosophy:
The XJ40 aimed for a more modern, yet distinctly Jaguar aesthetic, moving away from some of the older styling cues.
Target Audience:
Discerning buyers seeking comfort, performance, and sophisticated styling.
Vehicles Covered:
Jaguar XJ6 (1986-1994), Daimler 3.6/4.0 litre models (most features)
Excluded Models:
Jaguar XJ6 2.9 litre (2919 cc) SOHC engine, Manual Transmission models, XJR models, Revised Jaguar/Daimler model ranges introduced September 1994
Page Count:
Not specified (Digital Download, can be large, up to 5GB)
Manual Type:
Service Repair Manual (Factory Workshop Manual Equivalent)
Delivery Format:
Digital Download (PDF, potentially ZIP/RAR/EXE)
Engine Mechanical:
Engine teardown, assembly, component inspection, timing, seals, gaskets, cooling system, lubrication system
Engine Management:
Fuel injection system (EFI), ignition system, emissions control, sensor diagnosis, ECU functions
Transmission:
Automatic transmission (detailed procedures, fluid changes, rebuild information)
Drivetrain:
Driveshafts, differentials, axle components, wheel bearings
Suspension:
Front and rear suspension systems, shock absorbers, springs, bushings, alignment
Steering:
Power steering system, steering column, rack and pinion, linkage
Brakes:
Hydraulic system, brake fluid, master cylinder, calipers, discs, pads, ABS (if equipped)
Electrical System:
Battery, charging system, starting system, lighting, power windows, central locking, dashboard instruments, wiring diagrams
Climate Control:
HVAC system, A/C operation, heater core, blower motor, control panels
Body And Trim:
Body panel removal/installation, interior trim, weatherstripping, glass, bumpers
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups
Diagnostics:
Troubleshooting guides, symptom-based diagnosis, common faults and solutions
Repair:
Component replacement, adjustments, rebuild procedures for major systems
Restoration:
Detailed guidance for restoring various vehicle systems
Preventative Maintenance:
Proactive measures to ensure long-term reliability and performance
Depth Of Information:
Comprehensive, detailed step-by-step instructions, professional technician level
Illustrations:
Illustrated with clear step-by-step instructions, zoomable illustrations, exploded views
Diagnostic Tools:
Implies use of standard automotive diagnostic tools and procedures
File Type:
PDF (Portable Document Format)
Compatibility:
Windows, Linux, Mac OS (requires PDF reader, potential unzipping software like WinZip/WinRAR)
Printability:
Printable on any computer and printer
Digital Features:
Searchable text (likely, depending on PDF creation), bookmarking capabilities
Binding:
Not Applicable (Digital Download)
Paper Type:
Not Applicable (Digital Download)
Engine Type:
Inline-6, DOHC (Double Overhead Camshaft)
Engine Displacement 3.2L:
3239 cc
Engine Displacement 3.6L:
3590 cc
Engine Displacement 4.0L:
3980 cc
Engine Code Designations:
AJ6 engine family
Horsepower 3.2L:
Approx. 200-220 hp (varies by market and tuning)
Horsepower 3.6L:
Approx. 220-240 hp (varies by market and tuning)
Horsepower 4.0L:
Approx. 240-260 hp (varies by market and tuning)
Torque 4.0L:
Approx. 270-290 lb-ft (varies by market and tuning)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Petrol (Gasoline)
Transmission Type Standard:
Automatic Transmission
Transmission Type Optional:
Not Covered by this Manual (Manual transmission models excluded)
Automatic Gearbox Models:
Typically ZF 4HP22 or similar 4-speed automatic units.
Transmission Control:
Electronic or hydraulic control depending on specific year and gearbox.
Audio System:
Factory-fitted AM/FM/Cassette stereo systems, often with amplifier.
Dashboard Features:
Digital trip computer, climate control readouts, warning lights, analog gauges.
Cruise Control:
Standard on most models.
Early Features:
Power windows, central locking, electric mirrors were common luxury features.
Oil Change Interval:
Typically 5,000-7,500 miles or 6-12 months (refer to manual for specific conditions).
Major Service Intervals:
Spark plug replacement, coolant flush, transmission fluid service at 30,000-60,000 mile intervals (refer to manual).
Engine Oil Type:
API SG, SF or higher, SAE 10W-30 or 10W-40 (check manual for precise viscosity based on temperature).
Engine Oil Capacity:
Approx. 5.5 - 6.5 litres (5.8 - 6.9 US quarts) with filter change.
Coolant Type:
Ethylene glycol based, typically green or orange coolant (e.g., Jaguar recommended a specific type, consult manual).
Transmission Fluid Type:
Dexron III or equivalent automatic transmission fluid (ATF).
Common Problem 1:
Electrical gremlins (wiring harness issues, corroded connections).
Common Problem 2:
Head gasket leaks (especially on earlier AJ6 variants).
Common Problem 3:
Rust and corrosion (particularly around wheel arches, sills, and boot lid).
Common Problem 4:
Aging rubber suspension components and bushings.
Common Problem 5:
HVAC system issues (blower motor resistor, control panel failures).
Oil Filter Example:
AC Delco X246, Fram PH2075, Mann W940/47 (Verify with specific engine variant and VIN).
Air Filter Example:
Mann C2561/2, K&N 33-2066 (Verify with specific engine variant and VIN).
Jaguar Legacy:
Jaguar has a long history of producing sporting and luxury cars, with a focus on performance and comfort.
Xj40 Introduction:
The XJ40 marked a significant departure in design and technology from its predecessor (XJ-S derived Series III XJ) when introduced in 1986.
Design Changes:
The XJ40 featured a more squared-off, modern design with flush headlights and a revised interior.
Manufacturing Plant:
Castle Bromwich, Birmingham, UK
