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 Shift Select Shaft leak, Allison 2000 series...		  New Topic  Reply to Topic
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KnuckleBuster76
Active Member

45 Posts
Posted - 07/23/2018 :  04:45:46 AM  Show Profile  Reply with Quote
Had a leak at the seal on the shift select shaft, replaced with a new seal, still leaking, but more slowly (from what I hear, bus is in another hub) from the same location. Could the shaft be rough? Is that a replaceable part? Or did I somehow get a bad seal?

exmod110
Senior Member

150 Posts
Posted - 07/23/2018 :  2:00:58 PM  Show Profile  Visit exmod110's Homepage  Reply with Quote
with out the proper tool it is fairly easy to damage the new seal while installing it. The
shaft can be replaced but requires dropping the valve body if you feel it is worn or damaged.
Pull the seal and inspect the shaft and the bore for damage-erosion, replace the seal again.
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bfaulkner
Senior Member

168 Posts
Posted - 07/24/2018 :  07:13:58 AM  Show Profile  Visit bfaulkner's Homepage  Reply with Quote
I have a few with the same problem this year. What is the proper tool for instalation?
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aaronwilmoth80911
Top Member

538 Posts
Posted - 07/24/2018 :  07:52:23 AM  Show Profile  Visit aaronwilmoth80911's Homepage  Reply with Quote
Kent-Moore J-43911 and J-51606 should be the proper removal and install tools.
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1Dieselman
Active Member

28 Posts
Posted - 07/24/2018 :  09:56:12 AM  Show Profile  Visit 1Dieselman's Homepage  Reply with Quote
We have found that the 4912 seal from Napa works better than the oem Allison seal
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tigger2
Advanced Member

USA
470 Posts
Posted - 08/03/2018 :  11:34:03 AM  Show Profile  Click to see tigger2's MSN Messenger address  Reply with Quote
We have found the seal for an AT545 23010610 works better fits the housing and the shaft better
The seal for a 2000 leaks at the shaft the other works better on slightly worn shafts.
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