How do you change a air pump on a 1997 Volvo 960?

To change the air pump on a 1997 Volvo 960, first disconnect the negative battery terminal for safety. Remove any necessary components obstructing access to the air pump, such as the engine cover or hoses. Disconnect the electrical connector and the inlet and outlet hoses from the pump, then unbolt the pump from its mounting bracket. Install the new pump by reversing the removal steps, ensuring all connections are secure before reconnecting the battery.