1993 Buick Regal Owner's Manual - Page 265

Capacities and Specifications Engine Code L1 (L27)23.8L V-6 SF1 Belt Tensions Automatically controlled by an idler pulley. Tension adjustment should never be necessary. Fuel Tank Capacity 16.5 gallons/62.7 liters Transaxle Automatic Overdrive - Drain & Refill 6 quarts/5.7 liters Cooling System Capacity 11.1 quarts/l0.5 liters Maintenance Item PartNumbers3 Air Filter - A925C Fuel Filter - GF579 Oil Filter - PF47 PCV Valve - CV892C Radiator Cap- RC27 Spark Plug -41-600, GAP 0.060" - Crankcase Capacity Oil change with filter change 4 quarts/3.8 liters Air Conditioning Capacity4 (R12) - 2.25 lbs. (1.02 kilograms) ~ ~~ I 2 3 4 8th Character of the Vehicle Identification Number. Made in a GM plant in the United States. Part numbers are AC tvDe. Air Conditioning Refrigerant - 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. 263