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View Full Version : What is this M5R2 part?



dthompson
08-23-2015, 04:35 PM
I am just finishing up rebuilding my M5R2 for the first time in my 89 SC. I am curious what this part was for... It is a rubber piece with internal splines located on the output shaft splines, where the yoke slips on. I do not see it in the service manual anywhere. Any ideas on what this is?

63988

MadMikeyL
08-23-2015, 05:33 PM
It is a seal that was installed from the factory to keep fluid from leaking out the back before the driveshaft was installed. You can throw it away.

davec73
08-23-2015, 06:12 PM
Or keep it so you can use it if you have to drop the tranny!

dthompson
08-23-2015, 06:15 PM
Thanks guys. I hope I don't have to take it out again anytime soon. That was a fair amount of work.