If the pan was ever down I wonder if the manual valve was correctly positioned in the linkage. Otherwise, I agree with DavidZQ, this sounds like a linkage issue.
_________________________
Teacher/Technician. First-time Ford owner. ASE-certified Advanced Level Specialist.
Current vehicles:
2011 Crown Vic P7B (SAP, former campus police vehicle)
Purchased 3/27/20 w/51K, 819 idle hrs.
The garage queen...
2011 GMC Sierra 1500 SLE
Purchased 2/23/17 w/57K
5.3L LC9 V8 4X4 Ext. Cab
The trusty steed...
Insert Beater Name Here...