I have done several searches and found several sites about the adjustment of the ATs. Mine holds 1st a little long and then shifts from 2 to 3 almost immediatly. The shift from 3rd to 4th is flaring. So I have several different symptoms....Not sure where to start adjusting....Could someone tell me where to start?
Thanks...

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1995 E300 Diesel
1994 E320
1999 C230K
1994 S500 W140
1990 300 SEL