Hey guys, I have the strangest thing going on with my 2005 4.4i tranny.... I started with the 1st to 2nd gear "slam" which I corrected by dropping the trans pan and replacing the mechatronic seal adapter and 4 pick up tubes, I also installed a new filter and 6 quarts of pentosin while I was in there.

Again, 1st to 2nd gear "slam" is gone but now I am left with the dreaded harsh 2 to 1 downshift and she seems to "bobble" just a little bit on the 1 to 2 upshift.

I took it out to my local dealer and had them do the EGS flash to the latest software which resulted in no change.

What am I missing? Shifts are a million times better but still just not spot on...

Thanks!!


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