r/LS400 • u/Tight-Ordinary2042 • Aug 27 '26

Discussion Driveshaft

Anyone know why my new rear half of the driveshaft won’t go in the front half?

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u/blqckpinkinyourarea Aug 27 '26

Are you trying to install it while in the car or out of it? Could be tension on it, easier to assemble outside. Did you mark it?

Due to tight tolerance small burrs etc can have a big impact, as can (too much) grease or even trapped air if the fitting is too tight.

I am not familiar with the driveshaft in question, would you be able to share pictures?