St220 Leak

[karlicey]

Hi i own a st220 and i have a problem the lower right hose which connects to the radiator it keeps popping off a little then i lose all my coolant it stays secure on while just idleing but soon as i drive after 10mins or so it must pop off a little then i lose coolant i have not overheated this only happened yesterday.

I have attached a picture of the pipe are these prone to go an should i just replace it?

Thanks

[ppeter7]

Looks like its clipped it and the spring could be weak making it slip off again.)Try taking off clip and squeezing it together alittle bit and put pipe back on then clip and just warm up car as thats when pressure at its highest with rad cap off incase you have a air block

[karlicey]

So i put pipe on first then do clip once its in place? Thanks

[karlicey]

Hi, tried do what you said but my pipe just doesnt seem want push down enough onto the radaitor i cant work out what is wrong its like 2cm