John

often people have trouble keeping the system bleed when the head gaskets
are failing.  try pressurizing the system with air and leave it sit
overnight then look for coolant the next day.

jonathan

On Sat, 1 Apr 2006, John Connolly, Aircooled.Net wrote:

> Sister In Law's 85 Vanagon is getting air buildup in the radiator after 2-4
> days of errands. We have bled it, and know we are getting all the air out.
>
> The question I have is where is the air getting IN FROM? Any usual suspects?
>
> We did recently replace the rear heater core.
>
> TIA
>
> John
>
>
>