3 Speed Trans leaking from shift arms

cghstrojan08 · Post by **cghstrojan08** » Fri May 30, 2014 2:14 pm

Second day of drving my truck. Replaced the rear input shaft seal on my 3 speed trans and replaced the fluid which looked horrible before. Just got to work and noticed that there was a small puddle of fluid on the ground. Looked at the trans and where both shift arms go into the transmission are leaking. I would assume there is a seal around both of them but I can not find anyone that would have one. Any help?

BobbyFord · Post by **BobbyFord** » Fri May 30, 2014 3:34 pm

Should be a National #340797 seal. Your local parts guy should be able to order them.

cghstrojan08 · Post by **cghstrojan08** » Fri May 30, 2014 4:56 pm

Awesome, thanks! Ordered 2

blumule · Post by **blumule** » Sun Jun 01, 2014 6:06 pm

I hope your aware this requires some disassembly of tranny. output shaft particularly.shifter forks also if my memory is correct,. others may chime in.

tac · Post by **tac** » Mon Jun 02, 2014 10:25 am

What type and how much fluid did you use? I wouldn't think they would leak enough to form a puddle. Isn't the Normal Fluid level below the shaft?

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3 Speed Trans leaking from shift arms

3 Speed Trans leaking from shift arms

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