overhaul

(noun) periodic maintenance on a car or machine. Synonyms: inspection and repair, service. Example: "It was time for an overhaul on the tractor."

(noun) the act of improving by renewing and restoring. Synonyms: renovation, redevelopment. Examples: "They are pursuing a general program of renovation to the entire property." "A major overhal of the healthcare system was proposed."

(verb) travel past. Synonyms: pass, overtake. Example: "The sports car passed all the trucks."

(verb) make repairs, renovations, revisions or adjustments to. Synonyms: modernize, modernise. Examples: "You should overhaul your car engine." "Overhaul the health care system."