1994 Buick Regal Owner's Manual - Page 264

Capacities and Specifications Engine Code M (LS2) 3.1L V-6 MFI Belt Tensions Automatically controlled by an idler pulley. Tension adjustment should never be necessary. Cooling System Capacity 11.8 quartsll0.7 liters Crankcase Capacity Oil change w/o filter change 4 quarts/3.8 liters Oil change with filter change 4.5 quarts/4.25 liters *Air Conditioning Capacity R134A - 2.0 lbs. (0.9 kilograms) Fuel Tank Capacity 16.5 gallons/62.7 liters Transaxle Automatic Overdrive - Drain & Refill 6 quarts/5.7 liters Maintenance ItemPart Numbers Air Filter - A 1 129C Fuel Filter - GF48 1 Oil Filter - PF5 1 PCV Valve - CV892C Radiator Cap -RC27 Spark Plug - R44LTS, GAP 0.045" * Not all air conditioning refrigerants are the same. If the air conditioning system in your vehicle needs refrigerant, be sure the proper refrigerant is used. If you're not sure ask your Buick dealer. Foradditional information, see your "Warranty and Owner Assistance Information" booklet. 262