ARMY,

What a timely post! I have an '82 300SD, and just completely cleaned my valve body last week. I haven't put it back in, yet. I have 2 questions that I believe you can answer, as no one else, including various local MB dealers, seem to be able to answer:

1- What exactly does the "Converter Adaption Control Valve" do? (It sits next to the 3-4 Command Valve)
2- Does the Converter Adaption Control Valve have a spring with it or not?

I have two printouts, the FSM(?) for the 722.3/4 I downloaded and the ASTG book I bought for the 722.3/4. The FSM does NOT show a spring, (27.51, p. 4.8/5) but the ASTG (1991) DOES show a spring with the "Converter Adaption Control Valve" ( Upper Valve Body, Top View, ASTG 1991, p. 19). I'm confused!
When I re-assembled the valves, one at a time, there was NO spring, nothing, just the smooth-sliding valve. I saw no pieces or parts in the valve port, nor was there anything in the pan. Every other valve and spring set matched the ASTG. Did I somehow manage to lose a spring? Or was there no spring to begin with? Help! Please post photos of the valve body disassembly. Thanks,
Skaa

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1982 300SD 440+k miles