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datsun 5 speed locking up - circlip problems??

twas_brillig

Jedi Knight
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Several years, I installed a rebuilt Datsun 5 speed in our Bug-Eye. I don't remember if I drove it after the installation, but a very mechanically competent friend took his fiancee out in it and the transmission locked up (at low speeds; presumably two gears simultaneously engaged). He got out and pushed it slightly backwards and it unlocked.
Last year, he sent the following note from chatting with a chap in Ontario with a bug-eye:
"Turns out when those datsun transmissions wear, there are internal circlips that thin out and you can end up with the locking up issue. Nice guy, some kinda senior manager for volvo Canada. used to be leyland and volvos were at the same dealers here in ontario."
We pulled the tranny this Spring and took it back to the shop; they tore it down but could not find any signs of problems, and I'm finally getting 'round to reinstalling.
Does anyone have any knowledge or advice on this issue?
Thanks!
 
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