🏷️ Basic Information Identification Make: Jaguar Model: XJ Model Variant: X350 (XJ6, XJ8) Model Years Covered: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Codes Chassis Code: X350 👋 Introduction Market Position Positioning: The Jaguar XJ (X350) was positioned as a flagship luxury sedan, competing with established German marques like Mercedes-Benz S-Class, BMW 7 Series, and Audi A8, offering a blend of classic British luxury, advanced technology (particularly its aluminum chassis and adaptive suspension), and refined performance. Competitive Analysis Key Competitors: Mercedes-Benz S-Class (W220/W221), BMW 7 Series (E65/E66), Audi A8 (D3), Lexus LS (XF30). Key Features Chassis Technology: Bonded aluminum monocoque construction, providing significant weight savings and increased rigidity compared to traditional steel bodies. Suspension Technology: Adaptive, computer-controlled air suspension (CATS) offering variable damping and automatic ride height adjustment. Powertrain Options: Available with a range of naturally aspirated and supercharged V8 engines, as well as a 6-cylinder option. 📋 Manual Details Coverage Areas Overall Coverage: Complete Workshop Service & Repair Model Engine Coverage: All models, engines, trim, and transmission types Page Count Estimated Page Count: Extensive (specific count not provided, but described as 'Complete' and 'A-Z') Manual Type Type: Workshop Service and Repair Manual Language Language: English Format Format: Downloadable Digital Format (PDF compatible) 📖 Manual Coverage Systems Covered Engine Mechanical: All engine components, assembly, disassembly, timing, cooling, lubrication. Engine Management: Fuel injection, ignition system, emissions control, sensors, actuators, ECU diagnostics. Transmission Automatic: ZF 6HP26 (likely), general overhaul, fluid service, electronic controls, torque converter. Transmission Manual: Likely covered if manual variants exist, though automatic is more common for this generation XJ. Suspension System: Air suspension (CATS - Computer Active Technology Suspension), components, servicing, fault diagnosis. Steering System: Power steering system, rack and pinion, components, fluid, alignment. Brake System: Hydraulic system, ABS, DSC (Dynamic Stability Control), EBD, brake pad replacement, disc servicing, hydraulic component testing. Electrical System: Wiring diagrams, component testing, charging system, starting system, lighting, power accessories. Body And Chassis: Body panel removal/installation, door mechanisms, glass, interior trim, underbody protection, corrosion prevention. Climate Control: HVAC system, refrigerant handling, component diagnosis, climate control unit. Infotainment And Navigation: Radio, CD player, navigation system, speaker system, component testing, software updates. Safety Systems: Airbag system, seatbelt pre-tensioners, SRS diagnostics. Procedures Included Scheduled Maintenance: Oil changes, filter replacements, fluid checks, inspections. Troubleshooting: Diagnostic procedures for common and uncommon faults across all systems. Engine Repair: Major and minor engine overhauls, component replacement (pistons, bearings, valves, etc.). Transmission Repair: Complete transmission rebuild, seal replacement, valve body service. Brake Service: Pad and rotor replacement, caliper service, brake fluid flush and bleed. Suspension Component Replacement: Air springs, shocks, control arms, bushings. Electrical Component Diagnosis: Testing of alternators, starters, ECUs, sensors, and actuators. Body Panel Replacement: Fender, hood, door, trunk lid removal and installation. Interior Trim Removal: Dashboard, door panels, center console components. Diagnostic Trouble Codes: Interpretation and action plans for DTCs. Technical Depth Depth: Comprehensive: from basic maintenance to complete engine and transmission overhauls, detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF (or compatible digital format) Searchability: Likely text-searchable for efficient information retrieval. Print Quality Printability: High quality, printable (individual pages or full manual). Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Quality: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code Xj8: AJ-V8 Gen III (likely 3.5L and 4.2L naturally aspirated) Engine Code Xj Supercharged: AJ-V8 Gen III Supercharged (likely 4.2L) Engine Code Xj6: AJ-V6 (likely 3.0L, although less common in later X350 models) Performance Xj8 4.2L Naturally Aspirated Horsepower: Approx. 294 hp (219 kW) Torque: Approx. 303 lb-ft (410 Nm) Performance Xj8 4.2L Supercharged Horsepower: Approx. 390 hp (291 kW) Torque: Approx. 399 lb-ft (541 Nm) Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Features Cylinder Head Design: DOHC (Dual Overhead Camshafts), 4 valves per cylinder Engine Block Material: Aluminum Alloy 🔧 Transmission Standard Transmission Xj8 Type: 6-speed ZF 'GA6HP26Z' automatic transmission Gear Ratios: Specific ratios available in manual, indicative of optimized performance and economy. Transmission Fluid Type: ZF Lifeguardfluid 6 (or equivalent spec like Shell M-1375.4) Optional Transmission Type: No manual transmission offered for most XJ8/XJR models in this generation; some early XJ6 models might have had manual options, but the X350 is predominantly automatic. Features Transmission Modes: Normal, Sport, and Manual/Sequential shift modes 📐 Dimensions Exterior Dimensions Long Wheelbase Length: Approx. 5215 mm (205.3 in) Width: Approx. 1899 mm (74.8 in) Height: Approx. 1448 mm (57.0 in) Wheelbase: Approx. 3157 mm (124.3 in) Weights Curb Weight Xj8: Approx. 1700-1800 kg (3750-3970 lbs) depending on specification Curb Weight Xjr: Approx. 1850-1950 kg (4080-4300 lbs) depending on specification 🛡️ Safety Features Ratings NHTSA Ratings: Specific ratings for this generation vary by market and testing cycles, but generally aimed for high safety standards commensurate with a...
The Jaguar XJ (X350) was positioned as a flagship luxury sedan, competing with established German marques like Mercedes-Benz S-Class, BMW 7 Series, and Audi A8, offering a blend of classic British luxury, advanced technology (particularly its aluminum chassis and adaptive suspension), and refined performance.
Competitive Analysis
Key Competitors:
Mercedes-Benz S-Class (W220/W221), BMW 7 Series (E65/E66), Audi A8 (D3), Lexus LS (XF30).
Key Features
Chassis Technology:
Bonded aluminum monocoque construction, providing significant weight savings and increased rigidity compared to traditional steel bodies.
Suspension Technology:
Adaptive, computer-controlled air suspension (CATS) offering variable damping and automatic ride height adjustment.
Powertrain Options:
Available with a range of naturally aspirated and supercharged V8 engines, as well as a 6-cylinder option.
📋 Manual Details
Coverage Areas
Overall Coverage:
Complete Workshop Service & Repair
Model Engine Coverage:
All models, engines, trim, and transmission types
Page Count
Estimated Page Count:
Extensive (specific count not provided, but described as 'Complete' and 'A-Z')
Manual Type
Type:
Workshop Service and Repair Manual
Language
Language:
English
Format
Format:
Downloadable Digital Format (PDF compatible)
📖 Manual Coverage
Systems Covered
Engine Mechanical:
All engine components, assembly, disassembly, timing, cooling, lubrication.
Diagnostic procedures for common and uncommon faults across all systems.
Engine Repair:
Major and minor engine overhauls, component replacement (pistons, bearings, valves, etc.).
Transmission Repair:
Complete transmission rebuild, seal replacement, valve body service.
Brake Service:
Pad and rotor replacement, caliper service, brake fluid flush and bleed.
Suspension Component Replacement:
Air springs, shocks, control arms, bushings.
Electrical Component Diagnosis:
Testing of alternators, starters, ECUs, sensors, and actuators.
Body Panel Replacement:
Fender, hood, door, trunk lid removal and installation.
Interior Trim Removal:
Dashboard, door panels, center console components.
Diagnostic Trouble Codes:
Interpretation and action plans for DTCs.
Technical Depth
Depth:
Comprehensive: from basic maintenance to complete engine and transmission overhauls, detailed electrical schematics and diagnostic procedures.
📊 Manual Specifications
File Format
File Type:
PDF (or compatible digital format)
Searchability:
Likely text-searchable for efficient information retrieval.
Print Quality
Printability:
High quality, printable (individual pages or full manual).
Binding Type
Binding:
Not Applicable (Digital Download)
Paper Type
Paper Quality:
Not Applicable (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Code Xj8:
AJ-V8 Gen III (likely 3.5L and 4.2L naturally aspirated)
Engine Code Xj Supercharged:
AJ-V8 Gen III Supercharged (likely 4.2L)
Engine Code Xj6:
AJ-V6 (likely 3.0L, although less common in later X350 models)
Performance Xj8 4.2L Naturally Aspirated
Horsepower:
Approx. 294 hp (219 kW)
Torque:
Approx. 303 lb-ft (410 Nm)
Performance Xj8 4.2L Supercharged
Horsepower:
Approx. 390 hp (291 kW)
Torque:
Approx. 399 lb-ft (541 Nm)
Fuel System
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Premium Unleaded Gasoline (91 Octane or higher recommended)
Engine Features
Cylinder Head Design:
DOHC (Dual Overhead Camshafts), 4 valves per cylinder
Engine Block Material:
Aluminum Alloy
🔧 Transmission
Standard Transmission Xj8
Type:
6-speed ZF 'GA6HP26Z' automatic transmission
Gear Ratios:
Specific ratios available in manual, indicative of optimized performance and economy.
Transmission Fluid Type:
ZF Lifeguardfluid 6 (or equivalent spec like Shell M-1375.4)
Optional Transmission
Type:
No manual transmission offered for most XJ8/XJR models in this generation; some early XJ6 models might have had manual options, but the X350 is predominantly automatic.
Features
Transmission Modes:
Normal, Sport, and Manual/Sequential shift modes
📐 Dimensions
Exterior Dimensions Long Wheelbase
Length:
Approx. 5215 mm (205.3 in)
Width:
Approx. 1899 mm (74.8 in)
Height:
Approx. 1448 mm (57.0 in)
Wheelbase:
Approx. 3157 mm (124.3 in)
Weights
Curb Weight Xj8:
Approx. 1700-1800 kg (3750-3970 lbs) depending on specification
Curb Weight Xjr:
Approx. 1850-1950 kg (4080-4300 lbs) depending on specification
🛡️ Safety Features
Ratings
NHTSA Ratings:
Specific ratings for this generation vary by market and testing cycles, but generally aimed for high safety standards commensurate with a luxury vehicle.
Active Features
Traction Control:
Standard Traction Control (TCS)
Stability Control:
Dynamic Stability Control (DSC) / Electronic Stability Control (ESC)
Brake Assist:
Electronic Brakeforce Distribution (EBD), Emergency Brake Assist (EBA)
Passive Features
Airbags:
Front airbags, side-impact airbags, curtain airbags.
Seatbelts:
Pre-tensioned seatbelts with load limiters.
Body Structure:
Advanced aluminum safety cell for crash energy management.
CD changer, AM/FM radio, optional satellite navigation, voice control (on some models).
Driver Assistance
Adaptive Cruise Control:
Available on higher trims/optioned models.
Connectivity
Phone Integration:
Bluetooth hands-free connectivity (availability varies by year and trim).
Convenience Features
Keyless Entry:
Keyless entry and start (Jaguar Smart Key System) on many models.
🔧 Maintenance
Service Intervals Oil Change
Interval Miles:
10,000 miles (16,000 km) or 12 months, whichever comes first.
Interval Time:
12 months
Service Intervals Major Service
Interval Miles:
30,000 miles (48,000 km) or 24 months for comprehensive checks, including transmission fluid and filter (check manual for specific intervals).
Fluid Specifications Engine Oil
Type:
API SN/SP, ILSAC GF-5 or higher; Viscosity: 5W-30 or 0W-30 (check owner's manual for specific V8 engine variants and extreme temperature recommendations).
Capacity:
Approx. 7.2 US quarts (6.8 liters) for 4.2L V8, 6.7 US quarts (6.3 liters) for 3.5L V8 (verify with manual).
Fluid Specifications Coolant
Type:
Jaguar-spec concentrated coolant (e.g., XJ6-3, orange colored), to be mixed 50/50 with distilled water. Avoid generic green antifreeze.
Fluid Specifications Brake Fluid
Type:
DOT 4 (Low Viscosity - LV, or Super DOT 4 recommended)
Known Issues
Air Suspension:
Air spring leaks, compressor failure, suspension height sensor issues, control module faults. Regular checks of air lines and seals are recommended.
Aluminum Body:
Corrosion can occur at dissimilar metal joints (e.g., steel fasteners in aluminum), especially in areas prone to road salt. Proper cleaning and inspection are important.
Thermostat Housing:
Plastic thermostat housings are prone to cracking and leaking on certain V8 engines.
Timing Chains:
While generally robust, some early V8 models can experience timing chain tensioner or guide wear, leading to rattling noises. The manual will detail inspection procedures.
Water Pump:
Early water pumps with plastic impellers could degrade; later models often had metal impellers. Leaks from the water pump seal are common maintenance items.
📚 Vehicle History
Brand Heritage
Heritage:
Jaguar has a long-standing reputation for producing elegant, powerful, and luxurious grand tourers and sports sedans, with a focus on performance and distinctive styling.
Model Evolution
X350 Introduction:
The X350 generation debuted in 2003, marking a significant departure with its all-aluminum construction and a more modern, yet classic, design language, aiming to recapture Jaguar's prestige.
Predecessor:
Succeeded the Jaguar XJ (X308) model.
Production
Manufacturing Location:
Castle Bromwich Assembly, Birmingham, United Kingdom.
🏆 Awards & Recognition
Recognitions
Luxury Sedan Awards:
While specific awards for the X350 are varied, the Jaguar XJ line has historically been recognized for its comfort, ride quality, and design in the luxury sedan segment.
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