Overhaul (6)
'overhaul' is the definition.
(I've seen this in another clue)
This is all the clue.
(Another definition for retool that I've seen is " Rearrange equipment".)
'overhaul' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for rework that I've seen before include "Fashion again" , "What editors do" , "Alter, revise" .)
(Other definitions for redo that I've seen before include "Redecorate or repeat action" , "Perform (action) again" , "Fashion again" , "Make anew" , "Decorate (eg a room) again" .)