2004 FLSTF Oil Leak
Road Captain
Joined: Mar 2010
Posts: 705
Likes: 8
From: southern IL
Reaper had a similar leak, and it turned out to be the transmission mainshaft seal. To replace it requires removing the entire primary.
When I replaced mine, I also replaced all the related seals: shifter shaft seal, inner primary bearing seal, mainshaft 5th gear seal, starter shaft seal. I also replaced the 2 piece inner primary bearing with an All ***** one piece unit. The reason for replacing the bearing is that the stock inner race, pressed onto the mainshaft had "walked" in toward the transmission case, and would have started leaking eventually, even with a new seal installed.
It's not a super difficult job, but it's time consuming and some special tools are needed, so i hope that's not your leak.
Cheers!
When I replaced mine, I also replaced all the related seals: shifter shaft seal, inner primary bearing seal, mainshaft 5th gear seal, starter shaft seal. I also replaced the 2 piece inner primary bearing with an All ***** one piece unit. The reason for replacing the bearing is that the stock inner race, pressed onto the mainshaft had "walked" in toward the transmission case, and would have started leaking eventually, even with a new seal installed.
It's not a super difficult job, but it's time consuming and some special tools are needed, so i hope that's not your leak.
Cheers!
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