EYUP fergie you aint got it sealed mate,you got the can sitting on the housing,hence peeing out,,,,,,,,,,,,,any way 1 have you got the sealing ring in+is it twisted check .no2 the housing is alloy check you have,nt bruised it,clean it up if you have ,no3 when you put the can back on rotate the can as you tighten the bolt,just nip it up not toooo tight,no4 use a good torch/light to check the can is inside the rim on the sealing ring,if ok fire the old girl up ,she should be ok......hope this helps,,,dave