I'm thinking of replacing my dual mass on my 2013 XV diesel with a single mass, I have replaced a dual mass on a Navara with a single mass twice – the first time the Nissan garage spent a lot of time dynamically balancing the new assembly – the second time, in a smaller business, they didn't do so well, and the vehicle had a horrendous clatter on tickover... Have people noticed this on their Subarus?