Chevy and GMC Duramax Diesel Forum - View Single Post - Service for your Allison, what do you guys do and use?
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post #5 of (permalink) Old 12-03-2019, 07:12 AM
DuramaxForum n00b
in2pro's Avatar
Join Date: Dec 2019
Location: Austin, Tx.
Posts: 23
I believe I read or saw on a YouTube video that changing the Alison spin on filter every time you change the fuel filter was a good interval. The Alison filter is $13-16 on Amazon.
I'd follow the recommended (internal) filter and fluid depending on your needs based on the amount of towing.
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