Re: Issues.... oh the issues....
 

No, not since I burped it...

Re: Issues.... oh the issues....
 

Same old story's lol I had this a few times have u bled it properly with my alloy rad I had to bleed it near the throttle body but I completely flushed everything thru at the block also. Us be a tiny hole in return pipe hence pushing water into overflow n not returning bk when cooling if not that it's the seals do u get bubbles cold start sum bubbles when hot is normal it's agitation from water pump unless it's gushing lol

Re: Issues.... oh the issues....
 

this happened to me, it ended up just being the conection hose between the two tanks so have a good look in and around there