legacyak Posted December 28, 2007 Share Posted December 28, 2007 I'm changing the front and rear differential oil in my 00 OBW 5 speed this weekend. Do the drain plugs have to be sealed with anything after? IE do I need to put RTV sealant or anything else on the bolts or washers? Link to comment Share on other sites More sharing options...
idosubaru Posted December 28, 2007 Share Posted December 28, 2007 your owners manual may tell you. i've never used anything but i think something is recommended because others have mentioned it before. Link to comment Share on other sites More sharing options...
idosubaru Posted December 28, 2007 Share Posted December 28, 2007 i thought i had read something before about this, because i had never used any sealant before. so i looked it up for kicks, found it using the search button, here's a thread mentioning a sealant on the plug threads (check the second page of the thread): http://www.ultimatesubaru.org/forum/showthread.php?t=76516&page=2&highlight=differential+plug Link to comment Share on other sites More sharing options...
porcupine73 Posted December 28, 2007 Share Posted December 28, 2007 Yes Subaru calls for a sealant for the rear diff plugs. Your manual trans drain plug has a copper sealing washer I believe, which is good for at most one use. It is covered in this thread: http://www.ultimatesubaru.org/forum/showthread.php?t=82095 Link to comment Share on other sites More sharing options...
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