2008 Buick Lucerne Owner's Manual - Page 382

Capacities Application Fuel Tank 3.8L Engine (with NU6 emissions) sold new in CA, ME, VT, NY, MA (see your dealer/retailer for bordering states) 3.8L Engine (without NU6 emissions) sold new in all other states (see your dealer/retailer 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 SUPER with High Output DOHC 4.6L V8 with DOHC VIN Code 2 9 Y Transmission Automatic Automatic Automatic Spark Plug Gap 0.060 in (1.52 mm) 0.050 in (1.27 mm) 0.050 in (1.27 mm) 5-114