Have you already filed your tax return? If so, it's too late to change your direct deposit information.
If you haven't filed, the steps you listed are correct. To make sure the information in your tax return is accurate, you can preview it before filing. Please see the below TurboTax FAQ for instructions.
How do I preview my TurboTax Online return before filing?
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"