Hi All, We all agree that this is a pain. I question the VW dealers service department. To do it correctly you need to crack the vent valve on the aux heater core which means removing the bench seat and the cover. Something inside me says that they don't do this procedure. Why, because the system will blow the air out??? Or will it? Jere 90 GL/Carat-a-version 88 GL -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of George Goff Sent: Thursday, March 04, 2004 10:06 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: Purging Cooling System of Air / Where Would We Be Without This Topic? In a message dated 3/4/04 11:55:06 AM, katzd54@YAHOO.COM writes: << . . . wouldn't it always be prudent to subsequently crack that bleeder screw to make sure all air was purged although air bubbles do get buoyed up, if there is a local maximum in height somewhere, air can get trapped, and require a standard bleeding method to purge. >> Not prudent, but necessary to vent all the air from the system. The 4 air vents (rear heater core, radiator, 2 self installed) I use are opened in order from the lowest to the highest until each flows a stream of coolant. I think you might be confused about what I do to vent the air from the system. What I do is best described as the standard bleeding method with enhancements. George |
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