Hello all, I have a question in the round. With my 2000 Clio 1.2 58 HP the oil change is on. I have currently 5w40 in it. Is that good for a Clio or should I rather take 10w40. I heard that with the 5w40 the seals should go capput. Is that really so? What can you recommend me? L.G. Janny