I put the code scanner on the car, and got nothing. I used the OBD2 port. seems to me that the hard shifting is from 2-3. IIRC... I was wondering about the vaccum modulator, or the B-2 piston... (I"m assuming the 722.5 has a b2 piston)
If I have to order one, what is it called??

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All it takes for evil to prevail is for good men to stand by and do nothing.

Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor

'95 S320 LWB
'87 300SDL
'04 E500 wagon 4matic