YotaTech Forums - View Single Post - 4Runner T-Case Breather Extension

4Crawler · 10-15-2007, 02:11 PM

If it is a threaded breather, then unscrew it and see if it is a 10mm thread, if so the diff breather mods would work. Otherwise, see if the cap pulls off and try fitting a hose over it. If the above are no good, try this:

Since my '85 tranny and t-case(s) have no breathers, I drilled/tapped holes for pipe thread fittings:

http://www.4crawler.com/4x4/ForSale/...Shifter/3.html

My reason for doing this is not so much keeping water out, rather in keeping gear oil fumes out of the cab, since the early boxes are vented through the shifters, the hot oil fumes can get up into the cab.

10-15-2007, 02:11 PM	#3 (permalink)
4Crawler Contributing Member Join Date: Jun 2002 Location: SF Bay Area, CA Posts: 7,828	If it is a threaded breather, then unscrew it and see if it is a 10mm thread, if so the diff breather mods would work. Otherwise, see if the cap pulls off and try fitting a hose over it. If the above are no good, try this: Since my '85 tranny and t-case(s) have no breathers, I drilled/tapped holes for pipe thread fittings: http://www.4crawler.com/4x4/ForSale/...Shifter/3.html My reason for doing this is not so much keeping water out, rather in keeping gear oil fumes out of the cab, since the early boxes are vented through the shifters, the hot oil fumes can get up into the cab. __________________ 1985 Toyota 4Runner SR-5, 22REC engine, dual t-cases, 4.88 gears, dual ARBs, 33x10.50 BFGs or 35x12.50 MTRs r.c.brown@ieee.org TruckEditor@tlca.org Project: 4Crawler 4Crawler OffRoad Gettin'Off 4WD Club Last edited by 4Crawler; 10-15-2007 at 02:13 PM.