1993 Buick Skylark Owner's Manual - Page 264

. Capacities and Specifications (QUAD 4) OHC Fuel Tank Capacity 15.2 gallons/57.5 liters Transaxle, AutomaticCapacity 4 quarts/3.8 liters Maintenance Item Part Numbers3 Air Filter - AI 172C Fuel Filter - GF578 Oil Filter-PF1225 or PF47 PCV Valve - CV899C Spark Plug- FR3LSK, GAP 0.035" ~~~~ Engine Code D1 (L40)22.3L L-4 Belt TensionsFront crankbelt: automatically controlled an by idler pulley. Tension adjustment should never be ncessary. Power steering:450 Newtons Cooling System Capacity 10.4 quarts/9.8 liters Crankcase Capacity4 quarts/3.8 liters Air ConditioningCapaeity(Rl2)4 2.63 lbs. (1.19 kilograms) 1 8th Character of the Vehicle Identification Number. Part numbers are AC type. z Made in a GM plant in the United States. 3 4 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