Owner's Manual
Page 276
... because Buick emphasizes smooth, refined power. Engine Oil 3 \ \ c \ . Since the supercharger is a pump and is driven from an engine accessory drive belt, increased pressure is approximately 1 quart (IL) low. If you should check the fluid. Your Park Avenue Ultra has a 3800 Supercharged engine.... When this increased pressure or boost is routed through a bypass. The supercharger is a device which is designed to regulate the increased pressure required during idling...
... because Buick emphasizes smooth, refined power. Engine Oil 3 \ \ c \ . Since the supercharger is a pump and is driven from an engine accessory drive belt, increased pressure is approximately 1 quart (IL) low. If you should check the fluid. Your Park Avenue Ultra has a 3800 Supercharged engine.... When this increased pressure or boost is routed through a bypass. The supercharger is a device which is designed to regulate the increased pressure required during idling...