Positioning:
Premium Luxury Sedan, competitor to Mercedes-Benz S-Class and BMW 7 Series of the era.
Era Competitors:
Mercedes-Benz W140 S-Class, BMW E32 7 Series, Lexus LS 400, Cadillac DeVille.
Features:
Refined ride, powerful engine, opulent interior, advanced features for its time, emphasis on comfort and quietness.
Licensing:
Officially Licensed, derived from OE (Original Equipment) materials.
Convenience:
Instant online access, accessible from any internet-connected device (PC, laptop, smartphone, tablet).
Cost Effectiveness:
Significant savings compared to dealership labor costs for repairs and maintenance.
Primary Coverage:
Complete Service and Repair
Secondary Coverage:
Maintenance, Diagnostics, Troubleshooting, Wiring Diagrams, Specifications
Type:
Software-based Service & Repair Manual
Format:
Online Access (Web Browser Compatible)
Engine:
4.0L AJ6 Straight-6 (including top-end, bottom-end, cooling, fuel injection, ignition)
Transmission:
ZF 4HP22 (Automatic Transmission Service, Overhaul, Fluid Specifications)
Drivetrain:
Rear Wheel Drive, Driveshafts, Differential, Axles
Suspension:
Front & Rear Independent Suspension, Shock Absorbers, Springs, Bushings, Anti-roll Bars
Steering:
Power Steering System, Steering Rack, Column, Linkages
Brakes:
Front & Rear Disc Brakes, ABS System (Teves Mark II), Parking Brake, Fluid Specifications
Electrical:
Full Wiring Diagrams, Lighting, Instruments, ECUs, Battery, Charging System, Starter
Climate Control:
Heating, Ventilation, Air Conditioning (HVAC) System, Refrigerant, Components
Bodywork:
Body Panel Removal/Installation, Doors, Hood, Trunk, Interior Trim, Glass
Fuel System:
Fuel Pump, Injectors, Lines, Tank, Pressure Regulator
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks & Top-offs, Spark Plug Replacement, Belt Adjustments
Troubleshooting:
Diagnostic Charts, Fault Code Interpretation (where applicable), Symptom-based Diagnosis
Repair:
Component Replacement, Reassembly Instructions, Torque Specifications, Alignment Procedures
Diagnostics:
Engine Management System Diagnostics, ABS Diagnostics, HVAC Diagnostics
Depth:
Comprehensive: From routine maintenance to full engine and transmission rebuilds.
Configuration:
Inline 6-Cylinder, Dual Overhead Camshafts (DOHC), 24 Valves
Displacement:
3980 cc (4.0 Liters)
Horsepower Est:
221 hp @ 5300 rpm (approx.)
Torque Est:
270 lb-ft @ 3000 rpm (approx.)
Injection Type:
Multi-point Fuel Injection (MPI) with Electronic Control Unit (ECU)
Fuel Type:
Unleaded Gasoline (91 Octane or higher recommended)
Coolant Type:
Jaguar Premium Coolant (Ethylene Glycol based, Green or Yellow)
Ignition Type:
Electronic Ignition with Distributor and Coil
Type:
ZF 4HP22 Electronically Controlled 4-Speed Automatic
Transmission Options:
N/A for Vanden Plas trim in 1993
Sport Mode:
Electronically controlled shift points, potentially with a 'Sport' mode for more aggressive acceleration.
Fluid Type:
Dexron III (or equivalent approved ATF)
Fluid Capacity:
Approximately 7.5 Liters (15.8 Pints) for a dry fill.
Length:
Approx. 5025 mm (197.8 in)
Width:
Approx. 1790 mm (70.5 in)
Height:
Approx. 1360 mm (53.5 in)
Wheelbase:
Approx. 2870 mm (113 in)
Curb Weight:
Approx. 1800 kg (3968 lbs)
Gross Weight Rating:
Approx. 2300 kg (5070 lbs)
Crash Testing Era:
Limited official crash test data available for this era; reliance on manufacturer internal testing and general safety design principles.
ABS:
Teves Mark II Anti-lock Braking System (ABS) on all four wheels.
Traction Control:
Not commonly equipped on Vanden Plas models of this year, but possible dealer fitment or later additions.
Airbags:
Driver's side airbag as standard.
Seatbelts:
Front and rear seat belts, potentially with pre-tensioners for front occupants.
Chassis Design:
Integrated safety cage, crumple zones front and rear.
Audio System:
Premium sound system, often a Jaguar/Bose or Clarion unit with cassette player and radio. Manual covers removal, repair, and wiring.
Climate Control Interface:
Automatic climate control with digital display and manual overrides. Detailed troubleshooting for HVAC module and components.
Cruise Control:
Electronic cruise control system, with diagnostics and repair procedures available.
Connectivity Features:
Limited by modern standards; primary connectivity is through the vehicle's internal systems and diagnostics.
Headlight Motors:
Pop-up headlight mechanism with electric motors; manual provides repair and adjustment procedures.
Oil Change Interval:
Every 5,000 miles or 6 months, whichever comes first.
Major Service Intervals:
Refer to manual for specific mileage intervals for timing belt inspection/replacement (if applicable, though AJ6 is a chain), spark plugs, and other major services.
Engine Oil:
SAE 10W-40 or 10W-50 (API SG or higher, check owner's manual for precise grade and capacity)
Brake Fluid:
DOT 3 or DOT 4 (ISO Class 6 or higher recommended)
Power Steering Fluid:
Jaguar Power Steering Fluid (or equivalent approved fluid like Pentosin CHF 11 S)
Electrical Gremlins:
Common for the era, particularly issues with wiring harness degradation, headlight motors, and control modules. Manual provides detailed diagnostic procedures.
Suspension Components:
Wear on bushings, ball joints, and shock absorbers, especially on higher mileage examples. Repair procedures are detailed in the manual.
Heater Control Valves:
Leaking or malfunctioning heater control valves can lead to HVAC issues. Manual details testing and replacement.
Cooling System:
Potential for radiator leaks, hose degradation, and water pump issues. Comprehensive cooling system diagnostics covered.
Jaguar Legacy:
Long history of producing luxurious and performance-oriented grand tourers and sedans.
Xj Series:
Vanden Plas is a historically significant trim level within Jaguar's XJ series, representing the pinnacle of luxury and refinement.
Xj40 Generation:
The XJ40 (1986-1994) marked a significant modernization for Jaguar, moving away from older styling with improved aerodynamics and technology, while retaining classic Jaguar driving dynamics.
Manufacturing Location:
Coventry, England
Historical Acclaim:
Jaguar vehicles of this era, including the XJ series, were consistently praised for their styling, ride quality, and luxury appointments by automotive critics.
Consumer Reports Era:
While specific awards are hard to pinpoint for 1993, Jaguar's reputation for luxury was well-established, though reliability perception varied. This manual is key to maintaining one.
Manual Certification:
Officially licensed by Jaguar Cars, indicating accuracy and adherence to factory standards.