Proton Saloon 1.5 Workshop Manuals
If you need to undertake fixes on your own Proton Saloon 1.5 then it will always be recommended to have a Workshop Manual for personal reference if perhaps you need to know techniques to strip off a certain part like the Drive Shaft and match it again accordingly.
Proton Saloon 1.5 Workshop Manuals will give unique diagnostic details for the car so if something is wrong it can help you figure out what the situation is and how to fix it. You can then assess if this can be done on your own or in case the job is too big you could book your Saloon 1.5 in to a suitable mechanic.