1999 Buick Riviera Owner's Manual - Page 299

yellowblue Engine Specifications Engine ...L67 VIN Engine Code ...1 Type ...V6 Displacement ...3.8L Horsepower ...240 Firing Order ...1-6-5-4-3-2 Thermostat Temperature ...195_F (91_C) Normal Maintenance Replacement Parts Air Cleaner Filter ...AC Type A-1096C Engine Oil Filter ...AC Type PF-47 Fuel Filter ...AC Type GF-627 Radiator Cap ...RC27 Spark Plugs ...AC Type 41-921* Gap 0.060 inch (1.52 mm) *Replaces original spark plug NGK Type PTR4B-15. Windshield Wiper Blades Type ...6.32 pin Length ...22 inches (56 cm) 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 dealer. Vehicle Dimensions Length ...207.2 inches (526.3 cm) Width ...75.0 inches (190.5 cm) Height ...55.2 inches (140.0 cm) Wheelbase ...113.8 inches (289.1 cm) Front Tread ...62.5 inches (158.8 cm) Rear Tread ...62.6 inches (159.0 cm) 6-67