Buick Century 1997-2005 Engine Specifications and Firing Order Buick Century Home Contents hide 1 Firing Order – 1-2-3-4-5-6 1.1 Share this: 1.2 Like this: Firing Order – 1-2-3-4-5-6 Engine Specifications Type 3100 V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Displacement 191 CID . . . . . . . . . . . . . . . . . . . . . . . . Firing Order 1 . . . . . . . . . . . . . . . . . . . . . . -2-3-4-5-6 Thermostat Temperature 195 . . . . . . . . . . . F (91C) Horsepower 175 @ 5200 Capacities and Specifications Automatic Transaxle Pan Removal and Replacement 7.4 quarts (7.0 L) . . . After Complete Overhaul 10 quarts (9.5 L) . . . . . . . * When draining/replacing converter, more fluid will be needed. Cooling System Including Reservoir . . . . . . . . . . . . . . . . . 11.6 quarts (10.9 L) Refrigerant, Air Conditioning* . . . . . . . . . . . 1.88 lbs. (0.85 kg) Engine Crankcase Oil and Filter Change 4.5 quarts (4.3 L) . . . . . . . . . Wheel Nut Torque . . . . . . . . . . 100 lb-ft (140 N·m) Fuel Tank . . . . . . . . . . . . 17.0 U.S. gallons (64.3 L) Share this:TwitterFacebookLike this:Like Loading...