Replacing motor mount In 2006 Cadillac DTS

how do I replace the upper motor mount (dogbone) in this car? and what tools are needed?

Your local library may have a way that you can access something like Chilton’s manuals that give illustrated instructions. Check the library website.

Easy answer YouTube

If you don’t own these tools already, are you sure you want to make this your first DIY car repair? It is a very simple replacement and the fasteners are clearly visible and accessible.