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On 13 Jul 2005 at 13:23, Todd Heimer wrote: > my 68' square recently developed the dreaded "loose bolt rattling > around inside fan housing" problem. First, make sure it is in the alum fan housing rather than the steel pulley housing. If it's actually in the latter, things can hide at the bottom, but still be fairly easy to get out with no disassembly. If the noise is actually in the fan housing, then it is most likely to be a loose bolt that holds the fan housing to the case, and this bolt probably WON'T be lying on the bottom at all. It's probably still trapped in its depression in the front fan housing half. The good news is that it is not necessary to take the engine out to fix this. The bad news is that you have to remove the pulley housing, pulley, rear fan housing half, and the fan to get to this and fix it. You will probably need to remove the front housing half, too, but that's easy once you're this far. When I fix these, I tap the holes in the case as deeply as possible and then use long 6mm bolts w/Loctite so they won't come out. You want to do this carefully so that you don't have it happen again. It's also important to do this quickly, so that the bolt head rubbing on the fan doesn't destroy it. -- Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~