Competitors:
Mercedes-Benz S-Class, BMW 7 Series, Rolls-Royce Silver Spirit/Spirit II, Bentley Mulsanne
Design Philosophy:
Classic British Luxury, Refined Performance, Plush Ride Comfort
Target Audience:
Discerning motorists valuing comfort, style, and a sophisticated driving experience.
Engine:
Yes (including inline-six variants)
Fuel System:
Yes (Carburettors and Fuel Injection, Fuel Pump, Tank, Lines)
Cooling System:
Yes (Radiator, Hoses, Water Pump, Thermostat)
Drivetrain:
Yes (Clutch, Gearbox, Propeller Shafts, Rear Axle)
Steering:
Yes (Power Steering System, Column, Linkages)
Suspension:
Yes (Front and Rear Suspension Systems, Shock Absorbers, Bushings)
Brakes:
Yes (Hydraulic System, Discs, Pads, Calipers, Lines, ABS if applicable)
Chassis:
Yes (Frame, Body Structure)
Coachwork:
Yes (Body Panels, Doors, Trim, Glass)
Climate Control:
Yes (Air Conditioning Equipment, Heating System)
Electrical:
Yes (Wiring Schematics, Lighting, Ignition, Starting, Charging, Instruments)
Maintenance:
Yes (Routine Servicing, Fluid Changes, Filter Replacements)
Repair:
Yes (Component Overhaul, Replacement, Adjustment)
Diagnostics:
Yes (Troubleshooting Guides, Symptom-Based Diagnosis)
Rebuilding:
Yes (Likely detailed engine, gearbox, and axle rebuild procedures)
Depth:
Comprehensive (Covers basic repairs to complete overhauls, dealer-level detail)
Engine Family:
Jaguar AJ6 / AJ16
Configuration:
Inline-6 Cylinder
Displacement Liters:
3.6L (early D-G registration), 4.0L (later F-M registration)
Horsepower Approx:
195-220 hp (depending on specific engine variant and emissions regulations)
Torque Approx:
240-280 lb-ft (depending on specific engine variant)
Injection System:
Bosch L-Jetronic or later J-Jetronic (EFI), SU Carburetors (early models, e.g., 3.6L in some markets)
Fuel Type:
Unleaded Petrol (Premium Unleaded Recommended)
Wheelbase Inches:
119.4 (XJ40 series)
Length Inches:
195.8 (Standard Wheelbase) / 201.9 (Long Wheelbase - Sovereign)
Curb Weight Lbs:
Approx. 3,900 - 4,300 lbs (depending on configuration)
Gross Vehicle Weight Rating Lbs:
Approx. 4,900 - 5,300 lbs
Crash Test Data:
Limited official data for this era; based on design and structural integrity of the period.
ABS:
Anti-lock Braking System (Standard on later models and Sovereign)
Airbags:
Driver's airbag introduced during this period (standard on later models).
Seatbelts:
Front and rear seatbelts, often with pre-tensioners on later models.
Audio System:
Factory fitted cassette player with AM/FM radio, often with upgraded speaker systems.
Dashboard Features:
Digital dashboard displays (LCD for some functions on early XJ40 models), analog gauges, trip computer.
Cruise Control:
Standard on most models.
Connectivity Options:
Limited by modern standards; primarily focused on vehicle systems.
Oil Change Miles:
Typically 5,000 - 7,500 miles or 6-12 months (refer to manual for exact specification)
Transmission Fluid Change Miles:
Often recommended around 30,000 - 60,000 miles (depending on driving conditions).
Engine Oil Type:
e.g., API SG, SAE 20W-50 or 10W-40 (consult manual for precise viscosity and API rating)
Coolant Type:
e.g., Ethylene Glycol based, with corrosion inhibitors (typically a 50/50 mix with distilled water)
Transmission Fluid Type:
e.g., Dexron III / Mercon (for ZF automatic transmission)
Electrical Gremlins:
Common in Jaguars of this era; faulty wiring looms, headlight motors, and control modules.
Cooling System Leaks:
Leaking radiator, heater matrix, and hoses are frequent concerns.
Suspension Wear:
Bushings and ball joints can wear, leading to clunks and imprecise handling.
Rust:
Prone to rust in wheel arches, sills, and boot floor if not maintained.
Legacy:
Jaguar Cars has a long-standing reputation for luxury, performance, and elegant design.
Predecessor:
Jaguar XJ Series III
Successor:
Jaguar XJ (X300 series)
Key Transition:
The XJ40 generation represented a significant modernization for Jaguar, moving from body-on-frame to a monocoque construction, and introducing updated styling and technology.
Manufacturing Location:
Coventry, England
Production Years Covered:
1986-1994
