On 4/1/06, John Connolly, Aircooled.Net <john@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.

Does the air in the system show up after the driving, or after the sitting
and cooling down? The former would tend to indicate comustion gas leakage
into the cooling system during operation, and the latter would tend to
indicate pulling in air from outside through a leak.

--
John Bange
'90 Vanagon - "Geldsauger"