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carringb's avatar
carringb
Explorer
Jul 23, 2012

Anyone knowledgeable on the Aisin (Ram) 6-speed?

One of my trucks ('08 Sterling 4500) is showing some shifting errors under light to moderate throttle. Heavy throttle it generally shifts fine. Intermittently it will miss the 1->2 shift, and hold 1st...
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MadMav's avatar
MadMav
Explorer
Jul 23, 2012
Changing tranny fluid and filter every 7500 is a bad idea on any auto tranny. The secondary clutch material is filtered out and can't be used as additional friction. Sounds like a 1-2 clutch issue. I am by far not an expert in this arena, just passing on some tidbits I picked up a while back from a tranny builder.

Mav

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