Rebuilt 727 no reverse took off pan help

oldkimmer said
Probably forgot to put the big spring in there. I went back to the very first pic Mark posted. The bid spring is in there and the servo was t hanging down like it is in the later pics. His list says billet 2nd and 1st billet servo. So he got screwed over as the rear servo us definitely not a billet servo. Kim
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yeah, maybe the reverse servo return spring is either missing or possibly broken.
I think if someone had forgotten the return spring, it would have been apparent if someone ran an air pressure check before the valve body was installed.