MG 48 – Volvo S40 Timing Belt Replacement Dec 29, 2009 By mkokes in Automobiles No Comments Tags: Cooling System, engine, timing belt, Volvo it’s recommend that the timing belt is replaced ever 100k miles, well right now I’m over 120k and I’m nervouse to say the least. My dad was kind enough to help me out(did most of the work) and we got it done.