Help, Advice, Owners' Discussion and DIY Tutorials on S40, V40 and V50. In this forum you'll find S40/V40/V50-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos. 1996 - 2004 S40 1996 - 2004 V40 2004+ V50
Hi I have a 2005 S40 I am having problems with my Battery not keeping its charge. My alteranator is fine. Im thinking it could be a relay. Are Relays universal. Do I need to buy a special volvo Relay or just buy one from a automotive store. How much would this be to fix.