Where air compressor located on 1985 Buick rivera for rear shocks?

On a 1985 Buick Riviera, the air compressor for the rear shocks is typically located in the trunk area, mounted on the driver’s side. It is part of the automatic leveling system that adjusts the rear suspension height. You may need to remove some trim or cover to gain access to it. Always consult the vehicle’s service manual for specific details and diagrams.