🏷️ Basic Information

Make:

Jaguar

Model:

XJS

Year:

1991

Chassis Code:

XJ-S

👋 Introduction

Target Audience:

Jaguar XJS owners, mechanics, and automotive enthusiasts.

Advantage Over Print:

Instant access, searchability, often more up-to-date, lower cost, accessible on multiple devices.

Licensing:

Officially licensed, derived from OE (Original Equipment) materials.

Accessibility:

Compatible with PC, laptop, smartphone, tablet via web browser.

Access Duration:

1 Year subscription with option for renewal discounts.

📋 Manual Details

General Coverage:

Comprehensive service and repair information for the 1991 Jaguar XJS.

Specific Systems Covered:

Engine, Transmission, Fuel System, Cooling System, Ignition System, Electrical System, Braking System, Suspension, Steering, HVAC, Bodywork, Body Electrical.

Estimated Page Count:

Extensive (exact digital equivalent varies by platform, but represents a full factory manual).

Manual Type:

Service and Repair Manual Software

Language:

English

Format:

Online Software/Digital Access

📖 Manual Coverage

Engine Mechanical:

Detailed overhaul, diagnostics, and repair for V12 engine.

Engine Management:

Fuel injection (EFI) system, ignition system, and sensor diagnostics.

Transmission:

Service and repair for automatic transmission (likely GM Turbo-Hydramatic 400/4L80 variants).

Braking System:

Front and rear disc brakes, hydraulic systems, ABS (if equipped).

Suspension System:

Front and rear independent suspension, shock absorbers, springs, bushings.

Steering System:

Power steering system, steering rack, linkages.

Fuel System:

Fuel tank, fuel pump, fuel lines, fuel injectors.

Cooling System:

Radiator, coolant hoses, water pump, thermostat, cooling fan.

Electrical System:

Battery, alternator, starter motor, lighting, wiring diagrams, fuses, relays.

HVAC System:

Air conditioning, heating, ventilation, climate control system.

Bodywork And Interior:

Body panel repair, doors, windows, convertible top (if applicable), interior trim.

Exhaust System:

Component identification, inspection, and replacement of exhaust manifolds, pipes, and mufflers.

Emissions Control:

Information on emission control devices and troubleshooting related to emissions.

Interior Systems:

Seat adjustment, dashboard illumination, interior trim removal and installation.

Maintenance Procedures:

Oil changes, filter replacements, fluid checks and changes, spark plug replacement, drive belt inspection and replacement.

Diagnostic Procedures:

Troubleshooting guides for common and uncommon issues, symptom-based diagnosis.

Repair Procedures:

Step-by-step instructions for component removal, overhaul, and reinstallation.

Electrical Diagnostics:

Wiring diagrams, circuit testing, component testing, ECU diagnostics.

Engine Rebuilds:

Detailed procedures for engine disassembly, cleaning, inspection, and reassembly, including torque specifications.

Troubleshooting Electrical:

Systematic diagnosis of electrical faults using wiring diagrams and component testing.

Body Repair:

Guidance on repairing dents, corrosion, and alignment of body panels and doors.

Depth Of Information:

Factory-level detail, suitable for professional technicians and experienced DIYers.

Diagnostic Tools:

Recommendations for necessary tools and equipment.

Specifications And Tolerances:

Precise technical specifications, clearances, and wear limits for all components.

📊 Manual Specifications

Digital Format:

Web-based access via browser.

Print Quality Equivalent:

High resolution, clear diagrams and text equivalent to professional print.

Binding Type:

N/A (Digital Access)

Paper Type:

N/A (Digital Access)

⚙️ Engine Specifications

Engine Type:

5.3L V12 (5343 cc) Overhead Camshaft (OHC)

Horsepower:

Approx. 260-270 hp (varies slightly by market and emission controls)

Torque:

Approx. 300-315 lb-ft

Fuel Delivery:

Electronic Fuel Injection (EFI) - Bosch or Lucas variants common.

Fuel Type:

Unleaded Gasoline (Octane rating as specified by Jaguar, typically premium)

Ignition Type:

Electronic Ignition

🔧 Transmission

Transmission Type:

Automatic

Transmission Model:

Typically GM Turbo-Hydramatic 400 (TH400) or later 4L80-E

Transmission Fluid Type:

Dexron III or equivalent Automatic Transmission Fluid (ATF)

📐 Dimensions

Wheelbase:

Approximately 102.4 inches (2600 mm)

Length:

Approximately 195 inches (4953 mm)

Width:

Approximately 72 inches (1829 mm)

Height:

Approximately 50 inches (1270 mm)

Curb Weight:

Approximately 3,800 - 4,100 lbs (1724 - 1860 kg)

🛡️ Safety Features

Crash Test Data:

Limited formal crash test data available for this era from independent agencies. Focus on inherent safety design of GT cars of the period.

Braking System:

Power-assisted disc brakes front and rear, often with ABS.

Airbags:

Driver airbag standard for 1991 model year.

Seatbelts:

Three-point seatbelts with inertia reel.

💡 Technology Features

Audio System:

Factory fitted radio/cassette system, often with premium sound options.

ABS:

Anti-lock Braking System (ABS) typically available on 1991 models.

Connectivity Features:

N/A (Pre-modern connectivity era).

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles or annually, depending on usage and oil specification.

Major Service Interval:

Consult manual for specific interval for ignition system service, coolant flush, etc. (often around 30,000-60,000 miles).

Engine Oil Specification:

10W-40 or 15W-50 (check manual for specific viscosity recommendations based on climate and intended use). API SG or higher.

Coolant Specification:

Ethylene Glycol based antifreeze, typically a 50/50 mix with distilled water. Jaguar recommended specific coolant types may be listed.

Common Issues:

Rust (especially wheel arches, sills), aging electrical components (connectors, relays), fuel injector issues, potential for oil leaks from V12 engine seals, cooling system leaks, HE (High Efficiency) system complexity.

Spark Plugs:

Refer to manual for specific plug type and gap for V12 engine.

Filters:

Oil filter, fuel filter, air filter - specific part numbers available in the manual.

📚 Vehicle History

Brand Legacy:

Jaguar's legacy of luxury grand tourers and performance vehicles.

Xjs Development:

Developed as the successor to the E-Type, launched in 1975. The 1991 model represents a mature phase of the design with significant updates over its lifespan.

Production Period:

1975-1996

Engine Introduction Year:

V12 engine introduced in 1975, with refinements through the years.

🏆 Awards & Recognition

Model Recognition:

Recognized as a classic grand tourer, admired for its styling and V12 engine. Celebrated in automotive media and by enthusiasts.