Positioning:
Premium Luxury Performance Sedan
Competitors:
BMW 7 Series, Mercedes-Benz S-Class, Audi A8, Lexus LS
Performance Focus:
Supercharged V8 engine delivering significant horsepower and torque, sport-tuned suspension.
Luxury Appointments:
High-quality interior materials, advanced features for its time, refined ride quality.
Primary Coverage:
Service, Repair, Maintenance, Diagnostics, Wiring Diagrams, Specifications
Estimated Pages:
Extensive (Digital Format, equivalent to several thousand printed pages)
Type:
Official Factory Service and Repair Manual Software
Format:
Online Software / Web-based Access
Powertrain:
Engine (4.0L Supercharged V8), Transmission (5-speed Automatic), Drivetrain
Chassis:
Suspension (Adaptive), Steering, Brakes (ABS, Traction Control)
Electrical:
Wiring Diagrams, Lighting, Instrumentation, Audio System, Body Electrical Control Modules
Comfort And Climate:
Heating, Ventilation, and Air Conditioning (HVAC), Climate Control Systems
Body:
Exterior Body Panels, Interior Trim, Doors, Windows, Seats
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replenishments
Repair:
Engine Overhaul, Transmission Rebuild, Brake System Overhaul, Suspension Component Replacement, Electrical Component Diagnosis and Repair
Diagnostics:
Troubleshooting Guides, Fault Code Interpretation, Diagnostic Procedures for all Major Systems
Engine Repair:
Detailed procedures for engine assembly/disassembly, piston and ring replacement, valve train servicing, cylinder head gasket replacement, supercharger belt and pulley replacement, lubrication system overhaul.
Transmission Repair:
Step-by-step guides for transmission fluid and filter changes, removal and installation of the transmission, torque converter replacement, and internal transmission component servicing.
Brake System Service:
Procedures for brake pad and rotor replacement, caliper servicing, brake fluid flush, ABS system diagnosis and repair.
Suspension Steering Service:
Detailed instructions for shock absorber and strut replacement, spring replacement, control arm bushing replacement, steering rack and power steering system service.
Electrical Diagnostics:
Comprehensive wiring diagrams for all vehicle systems, troubleshooting flowcharts for common electrical faults, testing procedures for sensors, actuators, and control modules.
HVAC Service:
Procedures for refrigerant system servicing (leak testing, recharging), climate control module diagnosis, blower motor replacement, heater core and A/C evaporator replacement.
Body Repair:
Information on door panel removal, window regulator repair, seat removal, exterior panel alignment, and minor bodywork procedures.
Depth:
Comprehensive: From basic fluid changes to complete engine and transmission rebuilds, including advanced electrical diagnostics and ECU information.
NHTSA Front Impact:
Likely 4-star (for driver/passenger, based on typical Jaguar ratings of the era)
IIHS Side Impact:
Likely Acceptable or Good (for vehicles of this era)
Traction Control:
Standard (ASR - Acceleration Slip Regulation)
Stability Control:
Likely standard or optional (Electronic Stability Control - ESC)
ABS:
Standard (Anti-lock Braking System)
Airbags:
Front Airbags, Side Airbags (likely standard), Side Curtain Airbags (possibly optional or standard)
Seatbelts:
3-point front and rear seatbelts with pre-tensioners
Oil Change Interval:
Recommended every 5,000-7,500 miles or 6-12 months, using synthetic oil.
Transmission Fluid Interval:
Refer to manual; often around 60,000-100,000 miles for fluid and filter change, depending on driving conditions.
Engine Oil:
API SJ or higher, SAE 5W-30 or 5W-40 Synthetic recommended. Specific Jaguar approval may be required (e.g., Jaguar WSS-M2C200-CD or similar).
Coolant:
Jaguar specific OAT (Organic Acid Technology) coolant, or equivalent meeting Jaguar STJLR.614.7000 specification. Typically a 50/50 mix with distilled water.
Transmission Fluid:
ZF TE-ML 04D, TE-ML 14B, or equivalent specified for the ZF 5HP24 transmission. Often Dexron III/VI compatible but specific fluid is best.
Engine Tensioners:
Early 4.0L AJ-V8 engines (pre-2002) had plastic timing chain tensioners prone to failure, leading to catastrophic engine damage. The 2003 XJR likely has updated components, but inspection is critical.
Supercharger Coupler:
The spring-loaded coupler within the supercharger drive can weaken or break, causing a loss of boost and rattling noise.
Nikasil Liners:
Early AJ-V8 engines (pre-1998) had Nikasil cylinder liners which were susceptible to corrosion from sulfur in fuel. Post-1998 engines typically used aluminum liners, but the manual will detail specific engine build details.
Suspension Components:
Adaptive variable suspension components (shocks, control modules) can be a source of issues and expensive repairs. Bushings and ball joints also require regular inspection.
Electrical Gremlins:
As with many luxury cars of this era, various electrical components, sensors, and modules can fail, leading to intermittent or persistent issues.
Heritage:
Jaguar Cars has a long-standing reputation for luxury, performance, and distinctive styling.
Xjr Evolution:
The XJR designation signifies the high-performance variant of Jaguar's flagship sedan, historically featuring a supercharged engine and enhanced suspension/braking.
Production Period:
X308 generation produced from 1997 to 2003. The 2003 model year represents the final iteration of this platform.
Manufacturer:
Jaguar Cars (part of Ford Motor Company during this period)
