🏷️ Basic Information

Make:

Jaguar

Model:

XJ8

Year:

2004

Platform:

X350

Chassis Code:

X350

👋 Introduction

Positioning:

The 2004 Jaguar XJ8 (X350) represents Jaguar's entry into the luxury sedan market with a significant emphasis on aluminum construction and advanced technology for its era.

Competitors:

Competed with other premium luxury sedans such as the Mercedes-Benz S-Class, BMW 7 Series, Audi A8, and Lexus LS.

Aluminum Construction:

Monocoque chassis constructed almost entirely of aluminum, contributing to reduced weight and improved rigidity and handling.

Air Suspension:

Standard adaptive air suspension with CATS (Computer Active Technology Suspension) for a blend of comfort and dynamic control.

V8 Engine:

Powered by Jaguar's AJ-V8 engine, known for its smooth power delivery and refined performance.

📋 Manual Details

Primary Coverage:

2004 Jaguar XJ8

Secondary Coverage:

May include related X350 platform variations and engine options.

Estimated Pages:

Extensive (Software-based, not a fixed page count; represents full factory documentation)

Type:

Service and Repair Manual Software

Language:

English

Format:

Online Software / Web-based Access

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, overhaul, cylinder heads, crankshaft, pistons, connecting rods, lubrication system, cooling system.

Engine Management:

Fuel injection system, ignition system, emission control systems, engine control module (ECM) diagnosis and programming.

Transmission Automatic:

ZF 6HP26 transmission; Removal, installation, overhaul, fluid service, electronic control unit (TCU) diagnosis.

Drivetrain:

Rear-wheel drive system, driveshafts, differential, axle bearings.

Suspension:

Aluminum-intensive suspension components, air suspension system (CATS - Computer Active Technology Suspension), spring struts, shock absorbers, control arms, bushings, alignment specifications.

Steering:

Power steering system, steering rack, steering column, steering wheel removal and installation, alignment procedures.

Brakes:

Front and rear brake system components, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake fluid specifications, bleeding procedures, rotor and pad replacement, caliper overhaul.

Electrical System:

12V battery system, charging system (alternator), starting system, lighting system (headlights, taillights, interior lights), fuses and relays, power distribution.

Body And Chassis:

Aluminum body construction, door mechanisms, hood and trunk latches, exterior trim, interior trim panels, glass replacement.

Climate Control:

HVAC system, automatic climate control, refrigerant handling, compressor, condenser, evaporator, heater core, blower motor, cabin air filter.

Safety Systems:

Airbag system (SRS), seat belt mechanisms, pre-tensioners, diagnostic procedures for SRS components.

Infotainment And Accessories:

Audio system, navigation system, telephone module, instrument cluster, power windows, power seats, sunroof operation.

Preventive Maintenance:

Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement.

Diagnostic Procedures:

Troubleshooting charts, symptom-based diagnostics, use of diagnostic scan tools (e.g., OBD-II), diagnostic trouble codes (DTCs).

Repair And Rebuild:

Detailed step-by-step instructions for component removal, installation, and overhaul for all major systems.

Wiring Diagrams:

Comprehensive electrical schematics for all vehicle systems, aiding in diagnosing electrical faults.

Specifications And Tolerances:

Torque specifications for fasteners, dimensional tolerances, fluid capacities, electrical specifications.

Depth:

Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete engine and transmission rebuilds.

📊 Manual Specifications

Format:

Web-based, accessible via internet browser on PC, laptop, smartphone, tablet.

Quality:

N/A (Digital format, information is clear and legible)

Type:

N/A (Digital format)

Type:

N/A (Digital format)

Duration:

1 Year (with discounts for extensions)

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated V8

Engine Code:

AJ-V8 Gen III (specific variants apply)

Displacement:

4.2 Liters (4196 cc)

Bore X Stroke:

90.3 mm x 78.5 mm

Compression Ratio:

11.1:1

Valve Train:

Dual Overhead Camshafts (DOHC), 4 valves per cylinder

Horsepower:

294 bhp @ 6000 rpm

Torque:

303 lb-ft @ 4100 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Premium (91 Octane or higher recommended)

🔧 Transmission

Type:

ZF 6HP26 6-Speed Automatic Transmission

Availability:

N/A (6-Speed Automatic was standard for XJ8)

Shift Modes:

Jaguar Sequential Shift (manual override), Sport mode

Transmission Fluid:

ZF LifeguardFluid 6 (LF-6) or equivalent approved fluid

📐 Dimensions

Length:

5095 mm (199.8 in)

Width:

1859 mm (73.2 in)

Height:

1448 mm (57.0 in)

Wheelbase:

3119 mm (122.8 in)

Curb Weight:

Approx. 1720 kg (3792 lbs)

Gross Vehicle Weight Rating:

Approx. 2250 kg (4960 lbs)

🛡️ Safety Features

NHTSA Front Impact:

4 Stars (Driver), 5 Stars (Passenger) - US Spec

NHTSA Side Impact:

5 Stars (Front), 5 Stars (Rear) - US Spec

ABS:

Standard Anti-lock Braking System (ABS)

Dsc:

Standard Dynamic Stability Control (DSC)

Traction Control:

Standard Traction Control System (TCS)

Airbags:

Dual front airbags, front side airbags, curtain airbags

Seat Belts:

3-point seat belts with pretensioners for all occupants

💡 Technology Features

Audio System:

Premium sound systems (e.g., Alpine or Harman Kardon) with CD player, optional satellite radio, and navigation system.

Parking Sensors:

Front and rear parking assist sensors

Adaptive Cruise Control:

Optional Adaptive Cruise Control (ACC)

Telephone:

Optional integrated Bluetooth telephone system

🔧 Maintenance

Oil Change:

Every 10,000 miles or 1 year, whichever comes first (synthetic oil recommended)

Air Filter:

Inspect every 20,000 miles, replace as needed or every 40,000 miles

Cabin Filter:

Replace every 20,000 miles or 1 year

Spark Plugs:

Replace every 60,000 miles (long-life iridium type)

Engine Oil:

SAE 5W-30 (API SL or SM, ILSAC GF-3 or GF-4 compliant synthetic oil). Capacity: 7.2 Liters (7.6 Quarts)

Coolant:

Jaguar Premium Coolant (Concentrate) mixed 50/50 with distilled water. Capacity: Approx. 9.5 Liters (10 Quarts)

Brake Fluid:

DOT 4 High Performance Brake Fluid

Aluminum Corrosion:

Potential for corrosion issues in the aluminum body structure, particularly around bonded joints, if repairs or maintenance are neglected. The manual will detail inspection and repair procedures.

Air Suspension Leaks:

Common issue with air springs or lines developing leaks, leading to ride height issues. Manual provides diagnostic steps and component replacement procedures.

Timing Chain Tensioners:

Early AJ-V8 engines (prior to 2002) had plastic timing chain tensioners that could degrade. While the 4.2L V8 generally uses more robust components, the manual will detail inspection and replacement if necessary.

Coolant Leaks Water Pump:

Water pump seal failures can lead to coolant leaks. The manual will cover water pump replacement procedures.

📚 Vehicle History

Heritage:

Jaguar has a long-standing reputation for building luxurious, sporting, and elegant automobiles, blending performance with refined comfort.

Evolution To X350:

The X350 represented a significant modernization of the XJ line, adopting an all-aluminum construction to improve efficiency and performance over the previous steel-bodied X308.

Production Years:

2003-2009 (X350 generation)

Manufacturing Location:

Coventry, England