Th400 accumulator seals

matt69olds

Ain’t no feeling like Oldsmobling!
Joined
Feb 10, 2008
Why do the Teflon accumulator seals fit the case bore and piston well when first put on, but feel really sloppy loose after some run time? Is it a issue? I can’t help but wonder if there is room for improvement, Hydromatic did away with the Teflon rings and went to rubber seals on the 4L80.
 
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