Volvo S 40 1.9 D Workshop Manuals
If you want to perform fixes on your own Volvo S 40 1.9 D then it will always be a good plan to own a Workshop Manual to keep just for personal reference in case that you need to know the best way to strip off a particular part including Clutch and fit it again in the correct way.
Volvo S 40 1.9 D Workshop Manuals can provide exact diagnostic guides for the car or truck therefore if something is not working it helps you find out what the issue is and how to resolve it. You will be able to determine if this can be done on your own or if the job is too big you could make a booking for your S 40 1.9 D in to a suitable garage.