How do you replace fuel pump on 93 Buick Riviera?

To replace the fuel pump on a 1993 Buick Riviera, start by disconnecting the negative battery cable to ensure safety. Remove the rear seat cushion to access the fuel pump access panel, then unbolt the panel and disconnect the fuel lines and electrical connector from the pump. Replace the old pump with the new one, ensuring all connections are secure before reassembling the access panel and seat. Finally, reconnect the battery and test the new pump for proper operation.