Not sure why your trans guy could not get a SEPARATOR PLATE and if the plate holes are to big it or dont seal, it will cause problems.


http://www.transmissionpartsusa.com/48RE_valve_body_separator_plate_2003_06_p/500-05491895c.htm

http://cgi.ebay.com/ebaymotors/CHRYSLER-VALVE-BODY-SEPARATOR-PLATE,-(A12747EB)_W0QQitemZ370151732357QQcmdZViewItemQQimsxZ20090129?IMSfp=TL090129125011r12005