Silicone sealant is factory on Syncros. A Syncro can swim. This is to keep water out of the clutch. Seal the hole. The clutch is vented at the center bottom. Syncros have a small rubber plug in this location.
Jack R. wrote: >After carefully cleaning all the "blast media" which entered into my Bell >housing, causing the failure of my flywheel seal, and I am changing my >manual trans input shaft seal as well. I need to ask a few questions. > > > >The new motor in my 84 Westy is from a 91 Syncro, and I noticed that a >silicone sealant was placed around the entire bell housing, not sure if it >was original or added later. For those Syncro owners out there, is this >standard procedure? If so, I would assume it is in place to prevent >contamination of the bell housing from the sand / dust which can come from >heavy off-road use. > > > >Second, the hole at the top of the motor >http://www.flickr.com/photos/77623993@N00/1262080447/ which is used, I >believe, for Automatic application, is the "plug" still available anywhere? > > >If not, is it ok to seal this hole completely, or is this used to help >ventilate the bell housing? > > > >After seeing what dirt can do to internal bell housing seals, through-out >bearings etc. I feel is it very important to keep it clean, to prevent >future damage. > >This may be good advice to all the list members! > > > >By the way, I took apart the Throw-out bearing, cleaned ALL the crap out of >it, and re-greased with a synthetic molly bearing grease. is that OK, or >should I replace? The bearing is spotless, and everything works smoothly >again. > > > >Thanks to everyone who has provided great advice during my "little" dilemma. >My goal is to have this back on the road this weekend, for a solid test >drive before its maiden voyage to Buses by the Beach - Bus Boo! > > > >Jack R. > >N. of Detroit - 84 Westy Wolfie, currently with Trans on the floor and new >seals going in. Changing the oil, and trans fluid - upgrading the Redline >MT-90 (ouch $12 a QT!) > > > > |
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