Matthew,
All other things being operationally correct - as the cooling system is
bled, the radiator bleed point should bubble as the air escapes. Just
keep adding coolant to the coolant tank keeping it up to the line until
the bubbling stops. Then close the bleeder valve.

John Rodgers
Clayartist and Moldmaker
88'GL VW Bus Driver
Chelsea, AL
Http://www.moldhaus.com

matthew wrote:
> I bleed the air out of the system, I think I just got it all out, but there
> is not much pressure when I open the radiator bleeder.
>
> It was bubbleing slightly, but also constanly until I drove it a bit. I only
> bled them for 40 seconds after I drove.
>
>
>
> When it gets air the expansion tank builds a lot of pressure. The stream
> pumping in seems like it could be more constant. but if the bubbles are
> coming out of the radiator bleeder it could be the radiator? I am a novice,
> and a pump seems like it could pump air to the radiator. Does it sound like
> it could leak air in? it doesn't seem to be doing it right after I drove,
> but the expansion tank was at the min until I unscrewed the cap, then it
> quickly filled.
>
> P.S. I don't know where all the bubbles could be, or what the bleeder near
> the thermostat does.
>
>
>