2008 GMC Sierra 1500 Pickup Owner's Manual - Page 428

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. Application Capacities English Metric For the air conditioning system refrigerant charge amount, see the refrigerant caution label located under the hood. See your dealer/retailer for more information. 16.6 qt 6.0 qt† 26.0 gal 6.0 qt 1.5 qt 140 lbft 15.7 L 5.7 L† 98.4 L 5.7 L 1.4 L 190 Y Air Conditioning Refrigerant Cooling System Engine Oil with Filter Fuel Tank Transmission Fluid (Pan Removal and Filter Replacement) Transfer Case Fluid Wheel Nut Torque †Oil filter should be changed at every oil change. After refill, the level must be rechecked. Add enough engine coolant so that the fluid is within the proper operating range. Engine Specifications Engine 6.2L V8 5-116 VIN Code 8 Transmission Automatic Spark Plug Gap 0.040 in (1.01 mm)