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Re: Allison MT643 governor/rear housing
Posted to HD/Fleet Forum on 11/16/2009 13 Replies

Yes, I did. We changed the filter and removed the plugs on the galleries to clean them. We put it back together and roadtested it - and it shifted fine up to 3rd, then abruptly downshifted back to 1st and stayed there. We tore it back apart and got the same th... Login to read more.

13 Replies Received (View Replies)