I replaced both seals and one started leaking almost straight away. I figured I damaged it putting it on. However I have it apart again with new seal in hand, and I suspect I actually had it in upside down. Can anyone tell me definitively which is correct way round. There is a side with little notches in, and a side with the spring. Which side sits up against the flat washer, and which side is down towards the retaining clip and dust seal? Incidentally I had spring side down towards retaining clip. Thanks for help.