1991 JAGUAR XJS Service Repair Manual

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🏷️ Basic Information Identification Make: Jaguar Model: XJS Year: 1991 Codes Chassis Code: XJ-S 👋 Introduction Market Position Positioning: Luxury grand tourer, high-performance vehicle Competitive Analysis Competitors 1991: BMW 8...

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Taper: Car

Distributeur:

UGS: 523738

Mots clés: 1991 Car Cars Jaguar XJS

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Jaguar

Model:

Year:

Codes

Chassis Code:

👋 Introduction

Market Position

Positioning:

Luxury grand tourer, high-performance vehicle

Competitive Analysis

Competitors 1991:

BMW 8 Series, Mercedes-Benz SL-Class, Porsche 928

Key Features

Design Philosophy:

Long bonnet, elegant styling, powerful V12 engine option

Target Audience:

Discerning drivers seeking comfort, performance, and style

Manual Value Proposition

Value:

Inexpensive way to maintain and repair the vehicle, save on shop costs

Accessibility:

Instant download, no waiting for shipping

📋 Manual Details

Coverage Areas

All Models Engines:

All Trim Levels:

All Transmission Types:

Page Count

Estimated Page Count:

High (Typical for factory service manuals)

Manual Type

Type:

Factory Service Repair Manual / Workshop Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine:

Comprehensive (Diagnosis, repair, overhaul)

Fuel System:

Injection system (EFI), fuel pumps, injectors, lines

Ignition System:

Distributor, coils, spark plugs, timing

Cooling System:

Radiator, thermostat, water pump, hoses, fan

Exhaust System:

Manifolds, catalytic converters, mufflers

Transmission:

Automatic transmission (e.g., ZF 4HP22), diagnosis, repair, fluid

Drivetrain:

Driveshaft, differential, rear axle

Suspension:

Front and rear suspension components, alignment, springs, dampers

Steering:

Power steering system, steering rack, linkages

Brakes:

Hydraulic system, ABS (if equipped), discs, pads, calipers, lines

Electrical System:

Wiring diagrams, battery, alternator, starter, lighting, fuses, relays

Climate Control:

HVAC system, A/C, heater core, controls

Body And Chassis:

Body panels, structural components, doors, windows, locks

Interior:

Trim, seats, dashboard, instrumentation

Procedures Included

Maintenance:

Routine service, oil changes, filter replacements, tune-ups

Troubleshooting:

Diagnostic procedures, fault finding, common problems

Repair:

Detailed step-by-step repair instructions for all major systems

Disassembly Reassembly:

Complete disassembly and reassembly of major components

Diagnostics:

Engine, transmission, electrical system diagnostics

Adjustment:

Suspension alignment, brake adjustments, throttle linkage

Component Replacement:

Engine, transmission, suspension, brake, electrical component replacement

Technical Depth

Depth:

Factory-level technical detail for DIY and professional mechanics

Diagrams:

High-quality exploded views and circuit diagrams

Specifications:

Torque specifications, clearances, tolerances

Troubleshooting Charts:

Diagnostic flowcharts and symptom-based troubleshooting

📊 Manual Specifications

File Format

Format:

Compatibility:

Adobe PDF Reader recommended for optimal display

Print Quality

Printability:

Printable without restriction

Image Quality:

Top quality images/graphics

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Options:

5.3L (5343cc) V12; 4.0L (3980cc) AJ6 Inline-6 (Note: 1991 models primarily featured the V12, though some markets/later production may have had the 4.0L AJ6)

Performance

V12 Horsepower:

Approx. 263-318 hp (depending on configuration/market)

V12 Torque:

Approx. 318-333 lb-ft

Aj6 Horsepower:

Approx. 221-231 hp

Aj6 Torque:

Approx. 277 lb-ft

Fuel System

Fuel Injection:

Electronic Fuel Injection (EFI) - Bosch/Lucas systems common

Fuel Type:

Unleaded Gasoline

Engine Code Examples

V12 Codes:

e.g., '5.3 V12'

Aj6 Codes:

e.g., '4.0 AJ6'

🔧 Transmission

Standard

Automatic Transmission:

ZF 4HP22 4-speed automatic

Optional

Manual Transmission:

Rare/not standard on 1991 models, but may have been a limited option or aftermarket conversion. Manuals typically focus on the automatic.

Features

Automatic Features:

Electronic control, shift logic tuned for performance and comfort

Fluid Type

Atf Specification:

Refer to manual for specific ATF type (typically Dexron II or equivalent)

📐 Dimensions

Exterior

Body Styles:

2+2 Coupe, Convertible

Wheelbase:

Approx. 102.4 inches (2601 mm)

Length:

Approx. 195.7 inches (4970 mm)

Width:

Approx. 70.3 inches (1786 mm)

Height:

Approx. 50.5 inches (1283 mm)

Weights

Curb Weight:

Approx. 4,000-4,500 lbs (1814-2041 kg) depending on configuration

🛡️ Safety Features

Ratings

Federal Safety Standards:

Compliant with US Federal Motor Vehicle Safety Standards for 1991

Active Features

Anti-lock Braking System (ABS) available/standard on certain models

Passive Features

Seatbelts:

Three-point seatbelts (front), lap belts (rear)

Airbags:

Driver's airbag was becoming standard or optional in this era, but not universally guaranteed on all 1991 XJS models. Manual will detail specific fitment.

Crumple Zones:

Designed with frontal and rear crumple zones

💡 Technology Features

Infotainment

Audio System:

Factory fitted radio/cassette player, often with premium speaker system

Climate Control Tech:

Automatic climate control system (optional or standard depending on trim)

Driver Assistance

Cruise Control:

Standard feature on most models

Connectivity

Connectivity Era:

Limited by 1991 standards; focus on analog systems.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically 3,000-6,000 miles or 6-12 months, refer to manual for exact schedule based on usage

Transmission Service:

Fluid and filter change recommended every 30,000-50,000 miles or as per manual

Coolant Change:

Every 2 years or 30,000 miles

Fluid Specifications

Engine Oil:

e.g., 10W-40 or 20W-50 (Refer to manual for exact viscosity and API rating)

Coolant:

Ethylene glycol-based antifreeze (typically a 50/50 mix with distilled water)

Brake Fluid:

DOT 3 or DOT 4 (Refer to manual for specific requirement)

Known Issues

Cooling System:

Potential for radiator leaks, hose degradation, especially if original components are retained.

Electrical System:

Lucas electrical components reputation for occasional unreliability; wiring loom degradation over time.

Fuel Injection:

Injector seals, fuel pressure regulator issues, sensor failures.

V12 Engine:

While robust, requires meticulous maintenance; potential for ignition module issues, valve guide wear.

Suspension:

Wear in bushings and ball joints, can affect ride quality and alignment.

Transmission Auto:

ZF 4HP22 is generally reliable, but age-related wear in valve body or seals can occur. Proper fluid maintenance is critical.

📚 Vehicle History

Brand Heritage

Jaguar Legacy:

Renowned for luxury, performance, and sporty grand tourers (e.g., E-Type)

Model Evolution

Xjs Introduction Year:

Xjs Updates By 1991:

Significant revisions including introduction of the AJ6 4.0L engine in some markets and updates to the V12 engine (HE - High Efficiency).

Production

Production Period:

1975-1996

Manufacturing Location:

Coventry, England

🏆 Awards & Recognition

Recognitions

Automotive Press:

Often praised for its styling and V12 performance, though sometimes criticized for maintenance complexity and aging electricals compared to contemporary German rivals.