J240ZTurbo Posted August 25, 2011 Share Posted August 25, 2011 (edited) Hi, I had a little leak on my 240z where the speedometer cable screws into the tranny, I just got a new set of those o-rings from msa, but I just can figured this out they just dont fit properly they are too big and the center o-ring won't go inside, has anyone here had the same problem? Edited August 25, 2011 by J240ZTurbo Quote Link to comment Share on other sites More sharing options...
cygnusx1 Posted August 25, 2011 Share Posted August 25, 2011 (edited) One is an oil seal and one is an o-ring. You need to take the speedo pinion apart to change the seal. Punch out the tiny split pin, slide the gear and shaft out, and pull the old oil seal out, and shove the new oil seal in. Make sure you put the seal in facing the right way. I used a drill bit larger than the shaft to remove the old seal. By hand, put the bit into the housing as if to drill it out. Twist it by hand so that it bites into the old seal. When it has a good bite, draw it out. Edited August 25, 2011 by cygnusx1 Quote Link to comment Share on other sites More sharing options...
J240ZTurbo Posted August 25, 2011 Author Share Posted August 25, 2011 posting picture of the seals in a minute, just want to make sure I got the right ones??? Quote Link to comment Share on other sites More sharing options...
J240ZTurbo Posted August 25, 2011 Author Share Posted August 25, 2011 so, are these the right ones for the tranny attachment? Quote Link to comment Share on other sites More sharing options...
beermanpete Posted August 25, 2011 Share Posted August 25, 2011 They look correct to me. The visible portion of the part number in your photo is correct for the o-ring. Quote Link to comment Share on other sites More sharing options...
cygnusx1 Posted August 25, 2011 Share Posted August 25, 2011 (edited) Looks right. The leak is not in the cable. It's in the speedo pinion. Slide it out from the trans and change the seal and the o-ring. O-ring is visible here. Seal is down inside. Edited August 25, 2011 by cygnusx1 Quote Link to comment Share on other sites More sharing options...
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