1. overhaul
He overhauled his diet, swapping junk food for healthy fats, fruit and some dairy - including tuna, brown rice, eggs and skinless chicken.
It is about time a general overhaul of public transport was carried out.
the steering box was recently overhauled
I've overhauled my corridor.
She was taken out of service the following year for an overhaul.
The commission highlighted a “global failure” of French intelligence and recommended a total overhaul of the intelligence services
US election 2016: Trump overhauls campaign team again
= to fix; „a company that overhauls and repairs aircraft engines”
... justify the entire architectural overhaul of the human skull...