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Date:         Sun, 20 Nov 2005 11:11:30 -0700
Reply-To:     jimt <camper2@TACTICAL-BUS.INFO>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         jimt <camper2@TACTICAL-BUS.INFO>
Subject:      Re: Honey I shrunk the coolant pipes
In-Reply-To:  <b31050488d4bff2106ae7be5e0231299@knology.net>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed

on my subie conversion i used copper and universal flex hose for my coolant system. the first winter i developed about a half dozen drips. all were at the connections of the flex hose to the hard pipe. i reclamped and problems gone. the next winter i developed a drip at one of the joints again but this time i could see that the hose had also moved about a quarter inch. the clamp was tight but the drip was obviously coming from there. i loosened that joint and pushed the pipe in further and added another clamp. this winter no drip from there (yet??) jimt On Nov 19, 2005, at 4:19 PM, Jim Felder wrote:

> Has anyone had this happen? > > For the second winter in a row, my 90 carat with plastic pipes > developed a drip where the rubber radiator hose connects to the long > plastic pipe at a connection visible just aft of the spare tire tray > but above the tire. > > And for the second year in a row, I can see exposed white plastic > where > the pipe has been pulled out a bit, about a quarter inch or a bit > more, > from where it normally fits into the rubber hose. Both times I have > loosened the connection, slid the hose back to its previous > position on > the pipe, and tightened the clamp again with nary a drip till cold > weather strikes. > > Obviously, there is some amount--looks like a quarter inch--of > contraction in the pipe in cold weather. It seems though that rather > than pulling out of the rubber hose, the pipe would simply move the > rubber hose, which I am sure was meant to compensate for the > temperature-caused movement of the long plastic pipe. > > Anyway, it's probably fixed at least until next year. I was wondering > if it was a common phenomenon. > > Jim > >


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