This comprehensive 1980 Jaguar XJ (XJ40) Service and Repair Manual provides in-depth information for maintaining, servicing, diagnosing, and repairing your vehicle. It contains the same repair instructions used by Jaguar technicians at dealerships, ensuring accurate and reliable information.

The manual covers all models and every repair aspect of your 1980 Jaguar XJ (XJ40), including:

* **Maintenance:** Routine maintenance schedules, fluid capacities, and lubrication specifications.
* **Engine:** Detailed information on engine components, operation, and troubleshooting.
* **Control System:** Comprehensive coverage of electronic control systems, including fuel injection, ignition, and emissions systems.
* **Mechanical:** Step-by-step instructions for repairing and replacing mechanical components, such as the transmission, differential, suspension, brakes, and steering.
* **Fuel Service Specifications:** Precise fuel system specifications and procedures for diagnosing and repairing fuel-related issues.
* **Emission Control:** In-depth analysis of emission control systems and their components.
* **Intake Exhaust Cooling:** Detailed information on cooling systems, intake manifolds, and exhaust systems.
* **Lube:** Lubrication charts, recommended fluids, and lubrication procedures.
* **Ignition Starting Charging:** Comprehensive coverage of ignition systems, starting systems, and charging systems.
* **Auto Transmission Clutch:** Detailed repair instructions for automatic transmissions and clutches.
* **Manual Transmission:** Detailed repair instructions for manual transmissions.
* **Transfer Propeller Shaft:** Repair and maintenance procedures for transfer cases and propeller shafts.
* **Drive Shaft:** Repair and maintenance procedures for drive shafts.
* **Differential:** Detailed information on differentials, including repair and adjustment procedures.
* **Axle Suspension:** Comprehensive coverage of axles, suspension components, and repair procedures.
* **Tire & Wheel:** Information on tire sizes, specifications, and wheel maintenance.
* **Brake Control:** Detailed instructions for diagnosing and repairing brake systems.
* **Brake:** In-depth coverage of brake components and repair procedures.
* **Parking Brake:** Repair and adjustment procedures for parking brakes.
* **Steering Column:** Repair and maintenance information for steering columns.
* **Power Steering:** Detailed coverage of power steering systems and repair procedures.
* **Air Condition:** Information on air conditioning systems and their components.
* **Suppl Restraint System:** Detailed information on supplemental restraint systems (airbags) and their operation.
* **Seat Belt:** Maintenance and repair procedures for seat belts.
* **Engine Immobilizer:** Information on engine immobilizer systems and their operation.
* **Cruise Control:** Repair and adjustment procedures for cruise control systems.
* **Wiper & Washer:** Troubleshooting and repair information for windshield wipers and washers.
* **Door Lock:** Repair procedures for door locks.
* **Meter Audio/Visual:** Information on instrument clusters, gauges, and audio systems.
* **Horn:** Troubleshooting and repair procedures for horns.
* **Windshield/Glass Mirror:** Repair and replacement information for windshields, glass, and mirrors.
* **Instrument Panel:** Repair and replacement information for instrument panels.
* **Seat:** Repair and replacement procedures for seats.
* **Engine Hood/ Door:** Information on engine hood and door components and their repair.
* **Exterior & Interior:** Maintenance and repair guidance for exterior and interior components.
* **Electrical:** Comprehensive coverage of electrical systems, including wiring diagrams, troubleshooting, and repair procedures.
* **Multiplex/ Can Communication:** Information on multiplex and CAN communication systems.

This manual provides everything you need to confidently maintain and repair your 1980 Jaguar XJ (XJ40). The detailed instructions, illustrations, wiring diagrams, and specifications allow you to complete repairs with ease.

The 1980 Jaguar XJ (XJ40) Service and Repair Manual is an essential guide for anyone looking to maintain, repair, or restore this iconic British luxury car. The XJ40, introduced in 1986, represented a significant departure from its predecessors, the XJ-S and the Series III XJ. It marked a return to the classic XJ saloon design while incorporating modern technology and engineering. The XJ40 was the first Jaguar to feature a fully independent rear suspension, a significant departure from the traditional live axle setup. It also introduced the revolutionary HE (High Efficiency) engine, offering a balance of power and efficiency. The manual covers a wide range of topics, from routine maintenance procedures like oil changes and brake pad replacement to more complex repairs involving engine overhauls and electrical system troubleshooting.

The 1980 Jaguar XJ (XJ40) Service and Repair Manual is a comprehensive resource for both professional mechanics and DIY enthusiasts. It features detailed illustrations, clear instructions, and troubleshooting tips, making it easy to understand and follow. The manual covers all aspects of the XJ40, including the engine, transmission, suspension, brakes, electrical system, and bodywork. It also provides information on engine codes, fault finding, and specifications for all components. Whether you are a seasoned mechanic looking for a reliable reference guide or a novice owner eager to learn about your XJ40, this manual is an invaluable tool for keeping your classic Jaguar in top condition. From basic maintenance to complex repairs, this manual equips you with the knowledge and instructions to confidently tackle any task related to your 1980 Jaguar XJ (XJ40).