2007 Buick Lucerne Owner's Manual - Page 437

Capacities Application Fuel Tank 3.8L Engine (with NU6 emissions) sold new in CA, ME, VT, NY, MA (see your dealer for bordering states) 3.8L Engine (without NU6 emissions) sold new in all other states (see your dealer for more information) 4.6L Engines sold new in all states Wheel Nut Torque 18.0 gal 18.5 gal 18.5 gal 100 lb ft 68.1 L 70.0 L 70.0 L 140 Y English Metric All capacities are approximate. When adding, be sure to fill to the appropriate level, as recommended in this manual. Recheck fluid level after filling. Engine Specifications Engine 3.8L V6 4.6L V8 VIN Code 2 Y Transaxle Automatic Automatic Spark Plug Gap 0.060 in (1.52 mm) 0.050 in (1.27 mm) 437