My 95 has slight rollback, the cluck can be as simple as modulator adjustment. I have a slight cluck at time from the ASD but it si not all the time 149,000 original tranny

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Ricali

03 C240 4matic wagon
95 300E 234,000
7 prior 240;s 5 still going
81 300sd gone
65 230sl gone
49 Studebaker Champion
90BMW convert.167,000
60 Dodge D-100