How do you change camshaft pully on a 1997 Cadillac Eldorado?

To change the camshaft pulley on a 1997 Cadillac Eldorado, first disconnect the battery and remove any components obstructing access to the pulley, such as the engine cover. Use a suitable tool to remove the timing belt or chain, then carefully unbolt the camshaft pulley from the camshaft. Replace the old pulley with the new one, ensuring it’s properly aligned, reassemble the timing belt or chain, and reconnect any components that were removed before finally reconnecting the battery. Always refer to a service manual for specific torque specifications and detailed instructions.