Jaguar XJ-13 Workshop Manuals
If you choose to conduct maintenance for your Jaguar XJ-13 then it is usually recommended to have a Workshop Manual to keep just for personal reference in case you want to know the best way to strip off a particular component such as the Brake Discs and install it again safely.
Jaguar XJ-13 Workshop Manuals will give you distinct diagnostic guides on your car therefore if something is playing up it can help you determine what the issue is and ways to resolve it. After that you can analyse if you can do this yourself or in the event the job is just too big you can book your XJ-13 into a nearby friendly mechanic.