Example of some other sources of bubbles: (1) Cooling system not fully bled;
(2) Very minor leaks such as where the coolant sensor goes in the tank.
When van goes cools down from normal operating temperature to ambient, air
can get drawn in.

John Lauterbach
Macon, GA
'84 DL

----- Original Message -----
From: Robie Pierce <robie19@HOME.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, March 08, 2000 2:06 PM
Subject: Bubbles??/

> Did the new head gaskets 3,000 miles ago. Shut the van off today, heard
> some gurgling in the rear. Bubbles coming up in the expansion tank. Any
> other way bubbles can come up in expansion tank other than head leaky
> gasket. Temp gauge OK. Water level OK . Won't believe another head
> gasket!!
>
> Thanks,
>
> Robie Pierce
> '91 Wolfie