shrinking water pipe

[bood]

i have had the top hose to my rad off and now back on i held the header tank up and had water out the bleed screws etc but when it gets rev'd the hose sucks together,

is this just air still in my system?

thanks

[Brigsy]

They always do that until the thermostat opens mate:agree:

[bood]

oh ok happy with that then

thanks again Brigsy