2006 Pontiac GTO Owner's Manual - Page 280

Capacities and Specifications The following approximate capacities are given in English and metric conversions. See Recommended Fluids and Lubricants on page 6-12 for more information. Capacities English Metric Air Conditioning Refrigerant R134a 1.81 lbs 0.8 kg Automatic Transmission (Drain and Refill) 5.3 qt 5.0 L Brake Fluid 0.65 qt 0.62 L Cooling System 12.7 qt 12.0 L Engine Oil with Filter (Drain and Refill) 6.5 qt 6.2 L Fuel Tank 18.5 gal 70.0 L Manual Transmission 4.6 qt 4.4 L Wheel Nut Torque 100 lb ft 140 Y All capacities are approximate. When adding, be sure to fill to the appropriate level, as recommended in this manual. Recheck fluid level after filling Application Engine Specifications Engine 6.0L V8 (LS2) VIN Code U Transmission Automatic Manual Spark Plug Gap 0.040 inch (1.016 mm) Firing Order 1-8-7-2-6-5-4-3 5-90