93 e300 3.2 with 722.3

When cold it’ll slip between gears a lil. When warm soffits fine. Could this be a simple fix of the modulator adjustment or is this a new trans coming in

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1993 e300
1995 e320
1994 e320
2006 s500 4matic
2004 Jeep wj overland
2001 Ducati 748
2004 Honda shadow aero