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Date:         Tue, 28 Apr 2015 15:32:30 -0700
Reply-To:     Neil N <musomuso@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Neil N <musomuso@GMAIL.COM>
Subject:      2.1 WBX Coolant Loss: Searched
Content-Type: text/plain; charset=UTF-8

Hi all.

After a recent 300 mile trip, noticed coolant bottle was empty, coolant expansion bottle about 1/3 empty. This may have occurred over more miles but was a relatively "sudden" event. I suspect coolant may be getting burned at highway speeds. Details below.

If a head nut isn't obviously loose, should I leave those alone? (not torque down) I'm sure I can safely feel if a fastener is obviously under torqued but does it take a really experienced hand to feel if a head stud is about to snap? Is it ok to do a leak down test with engine up to temp?

I recently replaced all cooling system parts except for front-rear heater cores, hoses heat control valves. A head may have been replaced by the previous owner. The system bled down correctly after my work, there were no visible leaks. I currently don't see or smell any signs of coolant leaks but will check hoses again. I've read that a leak can be small enough to be an issue over long term but not easily seen. However. The reason I suspect coolant being burned is the relatively sudden change in coolant level.

Thanks

Neil.

-- Neil n

Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>

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