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The VW "Tools for local manufacture" manual shows a push-rod tube centring tool, which makes sure the tubes don't cock in their seals, causing leakage. It's fiddly to keep them dead ceÛ7hherwise. I know it took a lot of care with the PRs in place, and some carved fingerprints on the sharp ends of the tubes, but you would have to be assembling lots of engines to make it worth the time to make the tool. Dave. UK VW Type 3&4 Club http://www.hallvw.clara.net/ -----Original Message----- From: Jim Adney <jadney@vwtype3.org> To: type3@vwtype3.org <type3@vwtype3.org> Date: 19 March 1999 05:51 Subject: Re: [T3] Clink clink... aw sh!^!! On 18 Mar 99, at 0:21, Justin wrote: > Tried > to start a nut on about 2 threads of the stud. Slips... Makes a > perfect back flip with a half-twist right down that PR tube. Nary a > splash - it's a 10!! And we all know where the PR tubes go... Here's what I do when putting the heads on: Slip the head onto the studs, but far enough that the PR tubes can still slip in. Then slip one PR tube at a time into place and skewer a PR through it so it can't fall back out. Once all 4 tubes are in place I can jiggle (that's the tech term) them around until they are all lined up and then push the head the rest of the way onto the studs. I never thought of it before, but having the PR already in the PR tube helps block the entry of errant nuts. Jim - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org