Engine:
Detailed diagnostics, repair, and overhaul for the naturally aspirated 4.0L V8 (AJ-27) and the supercharged 4.0L V8 (AJ-27 SC) engines. Includes fuel system, lubrication, cooling, intake, exhaust, emissions control, ignition, starting, and charging systems.
Transmission:
Coverage for the ZF 5HP24 5-speed automatic transmission, including maintenance, troubleshooting, repair procedures, and fluid specifications.
Drivetrain:
Comprehensive coverage of the transfer case, propeller shaft, drive shafts, differential, and axles, including maintenance, repair, and specifications.
Suspension Steering:
Detailed information on front and rear suspension systems, including components, alignment specifications, and repair procedures. Also covers power steering system maintenance and repair.
Brakes:
In-depth coverage of the brake control system, including hydraulic components, ABS, traction control, disc brake systems, and parking brake mechanisms.
Electrical Electronics:
Extensive coverage of the vehicle's electrical system, including wiring schematics for all circuits, lighting, instrumentation, meters, audio/visual systems, horn, and accessory controls. Includes multiplex/CAN communication systems and the engine immobilizer.
Body Interior:
Detailed instructions for bodywork, including engine hood, doors, exterior and interior trim, glass, mirrors, and seat adjustments. Covers door lock mechanisms and the instrument panel.
Climate Control:
Comprehensive information on the air conditioning system, including diagnostics, refrigerant handling, and repair procedures.
Safety Systems:
Coverage of the Supplemental Restraint System (SRS) and seat belts, including diagnostic and repair procedures for these critical safety components.
Cruise Control:
Diagnosis and repair of the cruise control system.
Wiper Washer:
Maintenance and repair of the windshield wiper and washer systems, including pump, motors, and linkages.
Doors Locks:
Operation and repair of central locking systems, individual door locks, and remote key fobs.
Meter Audio Visual:
Troubleshooting and repair for the instrument cluster, gauges, warning lights, and the factory audio/visual entertainment system.
Horn:
Diagnosis and repair of the horn circuit.
Windshield Glass Mirror:
Procedures for replacing windshield, side glass, rear glass, and mirrors. Information on power mirror adjustments.
Instrument Panel:
Removal, installation, and repair of the instrument panel and its components.
Seats:
Adjustment mechanisms (manual and power), seat heating elements, and seat trim repair.
Engine Hood Door:
Operation of hood latches, hinges, and related mechanisms. Body panel alignment.
Exterior Interior:
Covers various trim pieces, seals, weather stripping, and interior panel removal/installation.
Multiplex Can Communication:
Diagnostic procedures and understanding of the vehicle's network communication systems.
Diagnostic Procedures:
Troubleshooting guides and diagnostic flowcharts for common and complex issues across all vehicle systems.
Repair Procedures:
Complete step-by-step instructions for maintenance, component replacement, and major repair tasks.
Maintenance Procedures:
Detailed instructions for routine maintenance tasks, fluid changes, filter replacements, and inspections.
Adjustment Procedures:
Information on adjustments for various components, such as suspension alignment, parking brake, and seat mechanisms.
Wiring Schematics:
Included in the manual, providing detailed diagrams for all electrical circuits, crucial for diagnosing complex electrical faults.
Troubleshooting Guides:
Detailed flowcharts and symptom-based troubleshooting for a wide range of issues, from minor electrical glitches to major mechanical failures.
Technical Specifications:
Torque values for fasteners, alignment specifications, fluid capacities, pressure readings, and electrical resistance values.
Technical Depth:
Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic fluid checks to full engine and transmission rebuilds.
Component Identification:
Detailed diagrams and part illustrations to accurately identify all components and their locations.
Engine Type:
4.0L (3996 cc) V8, Naturally Aspirated (XK8) and Supercharged (XKR)
Horsepower Xk8:
290 hp @ 6000 rpm (approx.)
Torque Xk8:
290 lb-ft @ 4250 rpm (approx.)
Horsepower Xkr:
370 hp @ 6150 rpm (approx.)
Torque Xkr:
383 lb-ft @ 3600 rpm (approx.)
Fuel System:
Sequential multi-port fuel injection (MPI) with electronic control.
Engine Management System:
Jaguar/Ford EEC-V or similar electronic engine control module (ECM).
Emission Control Systems:
Catalytic converters, oxygen sensors, EGR system (where applicable), and evaporative emission control (EVAP) systems.
Oil Change Interval:
Refer to manual, typically 5,000-7,500 miles or 12 months, whichever comes first, using synthetic oil.
Transmission Fluid Change Interval:
Refer to manual, often recommended around 50,000-100,000 miles for the ZF 5HP24, but inspection is key.
Engine Oil Specification:
Refer to manual for specific viscosity grade (e.g., 5W-30 or 5W-40) and API/ACEA ratings for the AJ-V8 engine. High-quality synthetic is recommended.
Coolant Specification:
Jaguar specific coolant (e.g., JLM 20238, a phosphate-free OAT coolant) or equivalent.
Brake Fluid Specification:
DOT 4 brake fluid.
Power Steering Fluid Type:
Refer to manual for specific Jaguar power steering fluid specification.
Coolant Capacity:
Refer to manual for specific capacity, typically around 8-10 liters.
Known Issues General:
Timing chain tensioners (early AJ-V8), Nikasil cylinder liners (early models, though less prevalent on later AJ27), plastic thermostat housing cracking, water pump leaks, ABS/DSC module failures, convertible roof mechanism issues, and general electrical gremlins common in vehicles of this era.
Known Issues Xkr:
Supercharger belt tensioner wear, intercooler system issues on higher mileage examples.