OG Fram Ultra XG8 30.7k mi (for ATF)

Joined
Apr 5, 2016
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Location
Texas
Off an inline filter mount in transmission cooler line on my Ram 1500. 30,700 miles. Replaced it with a pH8 for now. Sending a sample in to determine if I should replace the fluid yet or not.

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What is the date code? Does anyone know the cut off point date for Fram using the spring seal?
I didn’t look but it’s one of a few old ones I bought while they were still phasing them out. That filter went away wit the trash truck so I can’t dish it out and see.
 
Why the need for an external tranny filter? The internal filter should be catching anything worthwhile no?
No not really. The internal filter doesn’t catch much. I decided to run an inline filter because the ZF8/9 fluid is expensive and a big part of the reason ATFneeds changed is because it gets too contaminated with wear/clutch materials. Last UOA 30k miles ago showed the fluid to be new like after 30k miles on the fluid and having been filtered by a previous XG8.
 
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