Jaguar XJS 1991 Service Repair Workshop Manual

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🏷️ Basic Information Identification Make: Jaguar Model: XJS Year: 1991 Market Segment: Luxury Grand Tourer 👋 Introduction Market Position Vehicle Class: Luxury Grand Tourer, positioned as a high-performance, comfortable long-distance...

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Type: Car

Vendor:

Sku: 523308

Tags: 1991 Car Cars Jaguar XJS

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Description

🏷️ Basic Information

Identification

Make:

Jaguar

Model:

Year:

Market Segment:

Luxury Grand Tourer

👋 Introduction

Market Position

Vehicle Class:

Luxury Grand Tourer, positioned as a high-performance, comfortable long-distance cruiser.

Competitive Analysis

Competitors 1991:

BMW 8 Series (E31), Mercedes-Benz SL (R129), Porsche 928.

Key Features Vehicle

Design Philosophy:

Elegant styling, powerful V12 engine (primarily), comfortable and luxurious interior, capable grand touring performance.

Key Features Manual

Manual Value Proposition:

Provides professional-level repair and maintenance guidance, enabling owners and independent mechanics to service the vehicle comprehensively.

📋 Manual Details

Coverage Areas

Overall Coverage:

Comprehensive service, repair, and troubleshooting for the 1991 Jaguar XJS.

Specific Systems Covered:

Engine, Transmission, Fuel System, Ignition System, Cooling System, Exhaust System, Steering, Suspension, Brakes, Electrical System, Climate Control, Bodywork, Interior Trim, Diagnostic Procedures.

Page Count

Estimated Pages:

Hundreds (as described in product information)

Manual Type

Type:

Factory Service Repair Workshop Manual

Language

Language:

English

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine overhaul, internal components, timing, lubrication, cooling, and ancillary systems.

Engine Performance:

Fuel injection, ignition timing, emissions control, diagnostics.

Transmission Automatic:

Servicing, repair, overhaul, and troubleshooting of the automatic transmission (likely the GM 4L80-E or ZF 4HP24 depending on exact specification).

Brakes:

Hydraulic system, ABS (Anti-lock Braking System) components, brake disc and pad replacement, bleeding procedures.

Suspension Steering:

Front and rear suspension component inspection and replacement, steering rack and pump servicing, alignment specifications.

Electrical System:

Wiring diagrams, component testing, lighting, starter, alternator, battery, fuse and relay identification, power windows, central locking, and auxiliary systems.

Climate Control:

Air conditioning system servicing, heater matrix, fan controls, and diagnostic procedures.

Body Chassis:

Body panel alignment, door and window mechanisms, interior trim removal and installation, corrosion prevention.

Procedures Included

Maintenance:

Scheduled maintenance tasks, oil changes, filter replacements, lubrication points, fluid checks and top-ups.

Troubleshooting:

Diagnostic flowcharts, common fault identification, symptom-based troubleshooting for all major systems.

Repair:

Step-by-step instructions for component removal, installation, and overhaul, including detailed diagrams and torque specifications.

Diagnostics:

Detailed procedures for diagnosing electrical and mechanical faults, including wiring harness checks and component testing.

Technical Depth

Depth:

Professional-level, covering everything from basic maintenance to complete engine and transmission rebuilds.

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely text-searchable PDF, enabling quick information retrieval.

Print Quality

Printable:

Yes, single pages or entire manual.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Quality:

N/A (Digital Download)

Software Requirements

Compatibility:

Compatible with Windows and MAC operating systems.

Licensing

Usage License:

Lifetime use, no expiry dates, can be used on multiple devices.

⚙️ Engine Specifications

Primary Engine 1991

Engine Code:

Likely AJ16 SC (Supercharged Straight-6) or V12 (Jaguar HE).

Engine Type:

Inline 6-Cylinder or V12

Displacement V12:

5.3 Liters (5343 cc)

Displacement I6:

4.0 Liters (3980 cc) - often supercharged in later models.

Performance V12

Horsepower V12:

Approx. 263 hp @ 5000 rpm (for HE version)

Torque V12:

Approx. 315 lb-ft @ 3000 rpm (for HE version)

Performance I6

Horsepower I6 Supercharged:

Approx. 310 hp (for supercharged versions)

Torque I6 Supercharged:

Approx. 300 lb-ft (for supercharged versions)

Fuel System

Fuel Delivery:

Bosch L-Jetronic fuel injection (for V12), Lucas fuel injection (for I6).

Fuel Type

Recommended Fuel:

Premium Unleaded Gasoline (91 octane or higher recommended).

Cooling System

Coolant Type:

Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Specific Jaguar coolant may be recommended.

🔧 Transmission

Standard Transmission

Type V12:

GM 4L80-E 4-speed automatic (common for V12 models)

Type I6:

ZF 4HP24 4-speed automatic (common for I6 models)

Optional Transmission

Manual Availability:

Manual transmission options were extremely rare or non-existent for the 1991 XJS in most markets.

Fluid Specifications

Automatic Transmission Fluid:

Dexron III or equivalent for GM 4L80-E; ZF Lifeguardfluid 5 or equivalent for ZF 4HP24. Consult manual for exact specifications and capacities.

📐 Dimensions

Exterior

Length:

Approx. 196.9 inches (4998 mm)

Width:

Approx. 70.5 inches (1791 mm)

Height:

Approx. 49.7 inches (1262 mm)

Weights

Curb Weight:

Approx. 3700-4000 lbs (1678-1814 kg), varies by engine and equipment.

Wheelbase

Wheelbase:

Approx. 102.4 inches (2600 mm)

🛡️ Safety Features

Ratings

Crash Test Data:

Limited comprehensive crash test data readily available for this specific model year from modern standards bodies. Vehicles of this era were subject to less stringent testing.

Active Features

Standard Anti-lock Braking System (ABS).

Passive Features

Airbags:

Driver-side airbag (standard for 1991 model year).

Seatbelts:

Three-point seatbelts in front and rear.

💡 Technology Features

Infotainment

Audio System:

Factory fitted AM/FM stereo with cassette player, often with amplifier. Upgrade options common.

Climate Control

HVAC Features:

Automatic climate control with air conditioning and heating.

Driver Assistance

Cruise Control:

Standard cruise control system.

Connectivity

Early Tech:

Limited by modern standards; focused on comfort and driving experience rather than digital integration.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000-6,000 miles or annually, whichever comes first. Consult manual for precise interval based on driving conditions.

Major Service Intervals:

Key service points at 12,000 miles, 24,000 miles, 36,000 miles, etc., involving checks of all major systems, fluid changes, and filter replacements.

Fluid Specifications

Engine Oil Type:

Viscosity typically 10W-40 or 20W-50, depending on climate. Synthetic oil is often recommended for higher performance and protection. Specific API service rating required (e.g., SG or higher).

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Power Steering Fluid:

Typically a type 'A' or Dexron-III compatible fluid. Consult manual for exact specification.

Known Issues

Common Wear Items:

Cooling system components (hoses, radiator, water pump), suspension bushings, fuel injectors, brake lines, electrical connectors, idle control valve.

V12 Specific Issues:

Can be complex to work on due to twin fuel injection systems and distributor setups. Potential for oil leaks.

Filter Part Numbers

Oil Filter Example:

Mann Filter W 940/5, Fram PH2, AC Delco X4240E (cross-reference needed for exact fitment).

📚 Vehicle History

Brand Heritage

Jaguar Legacy:

Jaguar has a long-standing reputation for producing luxurious, sporty, and powerful grand tourers with distinctive styling.

Model Evolution

Xjs Development:

The XJS succeeded the E-Type and was designed as a more refined and comfortable GT. The 1991 model represents the later facelifted versions with significant updates.

Production

Production Years:

1975-1996

Manufacturing Location:

Coventry, England, UK.

🏆 Awards & Recognition

Recognitions

Automotive Press Mentions:

The XJS was often praised for its styling, V12 engine smoothness, and GT capabilities, although critical reception varied over its long production run.

Certifications

Iso Standards:

N/A (Vehicle specific, not manual related)