Date:         Mon, 25 Sep 2000 21:08:50 -0400
Reply-To:     "Ken Cook (by way of Derek Drew <derekdrew@rcn.com>)"
              <theshop@CPROS.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "Ken Cook (by way of Derek Drew <derekdrew@rcn.com>)"
              <theshop@CPROS.COM>
Subject:      Euro-Engine: 86 Volkswagen Vanagon, Cooling, collection bottle
Content-Type: text/plain; charset="us-ascii"; format=flowed

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_______________________________________________________

1986 Volkswagen Vanagon 2.1 L

Trans:         Automatic
Mileage:       96,992 miles
VIN:           WV2YBO253GHO98718

Affected Item: collection bottle
Condition:     air / steam bubbles

____________________________________________________________

This Van is bubbling out the circulation tank when it gets
hot. It will after a while cause some coolant to
flow/overflow the recovery bottle and on to the ground.

We have bled out the system as described in the manuel and
as advised in the tech. tips forum. This will cause the van
to behave untill the fan cycles and the bubbles will begin.
It must be steam or trapped air as it is free of
hydrocarbons in the cooling system. This thing is driving
us nuts and we dont know which way to go with it. Has
anyone elce seen this or have any ideas? I have'nt found
anything in the archives. Have repaired lots of these vans
but this is a first!


Ken Cook
theshop@cpros.com
Owner/Manager
'The Shop'
Grants Pass, Oregon, USA

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___________________ TEST AND REPAIR DATA ___________________

TESTING AND RESULTS

thermostat - in spec
coolant concentration - 40% clean, no corrosion
hydrocarbon/coolant test - no hc's
radiator flow test - good
fan function and control - both fan speeds function at proper temp
extended bleeding - no air

RELATED REPAIR HISTORY

New thermostat and coolant flush with special coolant

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