12-03-2013, 03:17 PM
have you pressure tested the cap to see if its holding pressure or just letting water out after its expanded? Might be worth a few £'s to buy anew cap ??
![[Image: siggy1.jpg]](http://i653.photobucket.com/albums/uu252/crissy_boy/Cars/siggy1.jpg)
the smokey old bus that sounds like a tractor...