How do you remove raditor from 2000 Cadillac Catera?

To remove the radiator from a 2000 Cadillac Catera, start by disconnecting the battery and draining the coolant. Next, remove the upper and lower radiator hoses, and disconnect the transmission cooler lines if applicable. Unbolt any mounting brackets and the fan assembly, then carefully lift the radiator out of its housing. Make sure to check for any remaining connections before fully removing it.