Image: Ricardo Taves / Corinthians Agency
The 32-year-old enjoyed three years Timão between 2013 and 2016, winning the Paulista and Recopa Sudamericana.
After revoking his contract with the Chinese club, who he joined in 2016 and represented on 86 occasions, the defender signed a contract until the end of 2019, with an extension option for more three.
He will arrive at the Joaquim Grava training centre during this week to have his medical and take part in training.
Gil will bring value to the team to compete in the Brazilian championship and the South American Cup during 2019.