Introduzione
This factory repair manual is designed to provide service operators with the essential information required for the maintenance and repair of Jaguar XJ12 Series 2 and Daimler Double Six Series 2 vehicles. These models were produced between 1973 and 1979.
The manual serves as a comprehensive reference for service supervision and outlines procedural elements to guide both fully qualified and less experienced mechanics. It covers a wide range of topics to ensure proper vehicle upkeep and repair.
Figure 1: Front cover of the official repair manual. The cover is a deep red with a textured finish, featuring the Jaguar emblem at the top, followed by "Jaguar XJ12" and "Daimler DOUBLE SIX" in silver lettering. The bottom of the cover reads "Repair Operation Manual".
General Information and Preparation
Before commencing any repair or maintenance work, it is crucial to review the general specifications, safety guidelines, and necessary tools. Adherence to these instructions ensures both personal safety and the integrity of the vehicle.
Precauzioni di sicurezza
- Always disconnect the battery before working on electrical components.
- Ensure the vehicle is securely supported on jack stands when working underneath.
- Indossare adeguati dispositivi di protezione individuale (DPI), come guanti e protezioni per gli occhi.
- Work in a well-ventilated area, especially when dealing with fuels or solvents.
Strumenti e attrezzature
A comprehensive set of metric and imperial tools will be required. Specialized tools may be necessary for certain procedures, as detailed in specific sections of this manual.
Operation and Repair Procedures
This section details the step-by-step procedures for various repair operations. Each procedure is designed to be followed precisely to ensure correct assembly and functionality.
Engine Systems
The manual covers the classic 5.3-liter engine, including both carburettor and fuel injection systems. Detailed instructions are provided for:
- Engine tuning data and adjustments.
- Emission control systems.
- Fuel system components and maintenance.
- Cooling system diagnostics and repair.
- Manifold and exhaust system servicing.
Transmission and Drivetrain
Automatic transmissions, specifically Borg-Warner and GM 400 models, are covered in detail. This includes:
- Transmission removal and installation.
- Propeller shafts and drive shafts.
- Final drive unit maintenance.
Chassis and Body
Comprehensive guidance is provided for the vehicle's chassis and body components:
- Steering system adjustments and repairs.
- Front and rear suspension maintenance.
- Braking system inspection and servicing.
- Bodywork repair and alignment.
- Heating, ventilation, and air conditioning (HVAC) systems.
- Windshield washers and wipers.
Electrical Systems and Instruments
Detailed diagrams and instructions for the vehicle's electrical systems and instrumentation are included to assist with diagnostics and repair.
Manutenzione ordinaria
Regular maintenance is essential for the longevity and optimal performance of your Jaguar or Daimler vehicle. This section outlines recommended service intervals and procedures.
Lubricants and Fluids
Refer to the following table for recommended lubricants, fuels, and fluid capacities:
| Componente | Recommended Fluid/Lubricant | Capacità (circa) |
|---|---|---|
| Olio motore | Specific API/ACEA rating (refer to manual) | Varies by model/filter |
| Fluido per trasmissione automatica | Dexron II/III equivalent | Varies by transmission type |
| Refrigerante | Ethylene Glycol based | Varia in base al modello |
| Liquido freni | DOT 3 or DOT 4 | Come richiesto |
Always consult the detailed specifications within the manual for precise fluid types and capacities for your specific vehicle configuration.
Risoluzione dei problemi
This section provides guidance on diagnosing common issues that may arise with your vehicle. For detailed diagnostic procedures and repair steps, refer to the relevant sections of this manual.
Common Symptoms and Potential Causes
- Il motore gira ma non si avvia: Check fuel supply, ignition system, and engine compression.
- Surriscaldamento del motore: Inspect coolant level, radiator, thermostat, and water pump.
- Brake Pedal Soft/Spongy: Bleed brake lines, check for fluid leaks, inspect master cylinder.
- Steering Play/Vibration: Examine steering linkages, power steering fluid, and wheel alignment.
If you are unable to identify or resolve an issue, it is recommended to consult a qualified mechanic or refer to the specific diagnostic charts provided in the full manual.
Specifiche
This manual includes comprehensive general specification data, engine tuning data, and torque wrench settings for various components. Key specifications are summarized below:
- Numero di pubblicazione: E190/4
- Tipo di motore: 5.3-liter V12
- Transmission Types Covered: Borg-Warner Automatic, GM 400 Automatic
- Dimensions (Book): 21.01 x 2.11 x 29.69 cm (8.27 x 0.83 x 11.69 pollici)
- Weight (Book): 962 g (2.12 libbre)
- Numero di pagine: 360
- ISBN-10: 1855201402
- ISBN-13: 978-1855201408
- Lingua: Inglese
- Data di pubblicazione: 10 gennaio 1979
For detailed torque specifications and specific component tolerances, refer to the relevant chapters within the manual.
