Synonyms of overhauling

1 Syllable
check, mend, patch, fix
2 Syllables
renew, repair, inspect, survey, retread, revamp, debug, doctor, rebuild, rescript
3 Syllables
revisions, redactions, revisal, service, recension, revision, afterlight, reediting, restyling, redaction, reconstruct, improve
4 Syllables
modernize, recondition, reexamine, examine