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On Wed, 2004-11-10 at 16:52, Dave Hall wrote: > VW instruction was to use graphite lubricant when assembling. There's a > fighting chance that would do some good if you had to remove the muffler before > it was rusted through, but I don't imagine many mechanics bothered with that. > > If you end up having to cut off the muffler, the 46mm nut is the same as the > Type 2 rear hub nut - find you local friendly Bus Pilot. (Sorry, in poor > taste). > > It's rare for the lower heat exchanger pipes to slide out again, but maybe the > same stuff would make that possible too. Not much point worrying about the > uppers loosening if the lowers are rusted solid together. > > As Russ says, it's purpose is for tightening on assembly. I'm not sure about > the hammer bit though, unless you can't get the crush washer (can anyone?). > I make my crush washer gasket. I get enough material for about $5 at Home Depot to do about 3 sets. It is called a 36" furnace thermocouple. Soft copper tubing with a little ceramic insde. Cut a piece a little long with a scarf joint, then fine tune to fit. I get a few used thermocouples at work due to the fact that we have to replace quite a few on all our curing furnaces. -- Russ Wolfe '71 FB AT '66 FB MT '64 T34 (not running) '65 T1 (not running) russw@classicvw.org http://www.classicvw.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~