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bitster98's avatar
bitster98
Explorer
Apr 15, 2014

No shift

Hopefully some one might have a clue where I should start. Bus trans will not up shift. Old girl has a 3208 with Allison mt 647& stone Bennett air shifter. Has never failed not to work but now will n...
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Fishinghat's avatar
Fishinghat
Explorer II
Apr 15, 2014
Sorry, but I don't know anything about your Allison 647. However, I Googled it and came up with a similar shifting problem discussed on iRV2.com.

http://www.irv2.com/forums/f125/a-little-advise-requested-mt647-no-shift-126622.html

Good luck.

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