1997 Buick Regal Owner's Manual - Page 341
1997 Buick Regal Manual
Page 341 highlights
Normal Maintenance Replacement Parts Air Cleaner Filter...A 1208C Passenger Compartment Air Filter ...10261703 Battery 3.8L (Code 1) ...770 CCA 3.8L (Code K) ...690 CCA Engine Oil Filter All Engines ...PF47 PCV Valve All Engines ...CV892C Radiator Cap All Engines ...RC27 RKE Batteries ...Type CR2032 (2) Spark Plugs 3.8L (Code 1) ...41-921 Gap: 0.060 inches (1.52 mm) 3.8L (Code K) ...41-921 Gap: 0.060 inches (1.52mm) Air Conditioning Refrigerants 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.