If you have to do maintenance for your Suzuki VanVan then it will always be recommended to have access to a Workshop Manual to keep just for a guide in case that you need to know methods to strip off a specific part such as the Exhaust and fit it again adequately.
Suzuki VanVan Workshop Manuals are able to offer unique diagnostic information for your car so if something is wrong it can help you figure out what the issue is and the best way to fix it. After that you can assess if this can be done yourself or in the event the job is too big you can still book your VanVan in with a decent car garage.
Suzuki VanVan manual