Quote Originally Posted by BMW
Have you enough coolant?
Happened to me and coolant levels were okay but their was also air in the system.

No harm to drain it and put in some fresh anti-freeze and bleed the system properly then.
Yeah she's grand for the levels. Which is why my assumption is it is something else. I intend to bleed her tomorrow if I get the chance.

Other than that? Anyone here cleaned the HCV before and if so what did you use?