1. A thorough and comprehensive renovation or reconstruction of something, involving the replacement or repair of all or most components
The company underwent a complete overhaul of its management structure.
A empresa passou por uma revisão completa de sua estrutura de gestão.
2. A major repair or servicing of machinery or equipment where all parts are inspected and restored
The engine needed a complete overhaul after 10 years of use.
O motor necessitava de uma revisão completa após 10 anos de uso.