|20/05/2005 16:14:20||71Sonett||I just installed new valve seals. When the valve opens en closes the seal also moves up and down together with the valve. Aren't they supposed to stay on their place around the valve guide ???
|23/05/2005 08:25:46||Steve||Hi there,
I haven't done this myself but a Saab mechanic once told me that these types of seals are called 'umbrella' seals and they are free to move up and down the shaft as you describe. Their shape means that they are effective even when they are moving about.
|23/05/2005 16:59:25||Richard||They are not a tight seal, its ok for them to slide, they just stop too much oil going down the valve guide.|