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hzjcm8
Explorer
Apr 09, 2011

Let Me Know if You Have Allison Transmission Fluid Questions

Hi all, I've just joined Good Sam Club. I was the former Transmission Fluids Engineer at Allison Transmission. I held that position from 1990 until my retirement in 2009. Let me know if you have...
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hzjcm8's avatar
hzjcm8
Explorer
Apr 05, 2012
lunch surfer wrote:
I have an 05 dp with Allison 3000 tranny change filters at 5000 miles it has about 20,000 on the clock now. Should I change the transyn (synthetic oil) on age only now?


Lunch Surfer,

Check your transmission fluid first using advanced oil analysis that includes TAN (total acid number). There's a really good chance that it doesn't need to be changed. Change it based on scientific data, not on time or mileage.

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