Owner's Manual
Page 272
... ( 87 L) Wagon ...21gallons(79 L) Rear Axle Lubricant ...4.3 pints (2.0 L) 6-56 Capacities and Specifications Engine Code P (LT1) V8 MFI (5.7L) Belt Tensions Automatically controlled by a self-tensioning idler pulley. For additional information, your Buick dealer. Tension adjustments should never be sure the proper refrigerant is used.
... ( 87 L) Wagon ...21gallons(79 L) Rear Axle Lubricant ...4.3 pints (2.0 L) 6-56 Capacities and Specifications Engine Code P (LT1) V8 MFI (5.7L) Belt Tensions Automatically controlled by a self-tensioning idler pulley. For additional information, your Buick dealer. Tension adjustments should never be sure the proper refrigerant is used.