[TR] TR3 gearbox oil leak

Randall TR3driver at ca.rr.com
Tue Dec 1 15:33:35 MST 2015


> ..before I get blasted.. a little history.. back in the seventies 
> Triumphs were experiencing many gear box failures.

Was that with TR6 or TR7?

> They sent  
> a factory 
> rep to our shop (for one).. turns out the change to 80-90 
> gear lube was 
> the culprit...

That's interesting, since supposedly they switched to recommending gear oil for exactly the same reason (but about 15 years
earlier).

As far as I know, they never stopped officially recommending gear oil for the TR6 gearbox.  If it really caused such severe
problems, you'd think they'd fix that in the 15 or so years (and 5 different car models) that they kept recommending gear oil.

-- Randall  



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