先不换吧；01' 90KM 还可坚持几年

我是换过 96'Accord timing belt 在3年前， 卸下后发现新旧无异， 但还是换了,及水泵。

Crank shaft main seal was replaced at a dealer with a recall from Honda North America a few years before that. Mayby your model would be covered by that recall too.