Where is the secondary pump on a 2001 cadillac sls?

On a 2001 Cadillac SLS, the secondary pump, often referred to as the secondary air injection pump, is typically located near the front of the engine, near the driver's side. It is usually mounted on the engine block or the frame and is connected to the air injection system. To access it, you may need to remove some components for better visibility and reach. Always consult the vehicle's service manual for specific instructions and diagrams.