| Table 1: | Engine Specifications | 
The following approximate capacities are given in English and metric conversions. See Recommended Fluids and Lubricants for more information.
If your vehicle has the DURAMAX® Diesel engine, see the DURAMAX® Diesel manual for more information.
Application  | Capacities  | |
|---|---|---|
English  | Metric  | |
Air Conditioning Refrigerant R134a  | For the air conditioning system refrigerant charge amount, see the refrigerant caution label located under the hood. See your dealer for more information.  | |
Cooling System  | ||
  | 16.5 qt  | 15.6 L  | 
  | 16.9 qt  | 16.0 L  | 
  | 16.9 qt  | 16.0 L  | 
  | 16.8 qt  | 15.9 L  | 
  | 16.4 qt  | 15.5 L  | 
  | 17.6 qt  | 16.7 L  | 
Engine Oil with Filter  | ||
  | 4.5 qt  | 4.3 L  | 
  | 6.0 qt  | 5.7 L  | 
Fuel Tank  | ||
  | 26.0 gal  | 98.0 L  | 
  | 34.0 gal  | 128.7 L  | 
  | 26.0 gal  | 98.0 L  | 
  | 34.0 gal  | 128.7 L  | 
  | 50.0 gal  | 189.0 L  | 
  | 27.0 gal  | 102.0 L  | 
  | 23.0 gal  | 87.0 L  | 
Transmission Fluid (Pan Removal and Filter Replacement)  | ||
  | 5.0 qt  | 4.7 L  | 
  | 6.0 qt  | 5.7 L  | 
  | 6.3 qt  | 6.0 L  | 
  | 7.4 qt  | 7.0 L  | 
Transfer Case Fluid  | 1.6 qt  | 1.5 L  | 
Wheel Nut Torque  | 140 ft lb  | 190 N·m  | 
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level after filling.  | ||
Engine  | VIN Code  | Transmission  | Spark Plug Gap  | 
|---|---|---|---|
4.3L V6  | X  | Automatic  | 0.060 in (1.52 mm)  | 
4.8L V8  | C  | Automatic  | 0.040 in (1.01 mm)  | 
5.3L V8 Flexible Fuel with Active Fuel Management™ (Iron Block)  | 0  | Automatic  | 0.040 in (1.01 mm)  | 
5.3L V8 Flexible Fuel with Active Fuel Management™(Aluminum Block)  | 3  | Automatic  | 0.040 in (1.01 mm)  | 
5.3L V8 with Active Fuel Management™ (Iron Block)  | J  | Automatic  | 0.040 in (1.01 mm)  | 
5.3L V8 with Active Fuel Management™ (Aluminum Block)  | M  | Automatic  | 0.040 in (1.01 mm)  | 
6.0L V8 (Iron Block)  | K  | Automatic  | 0.040 in (1.01 mm)  | 
6.0L V8 with Active Fuel Management™ (Aluminum Block)  | Y  | Automatic  | 0.040 in (1.01 mm)  | 
6.2L V8 Flexible Fuel (Aluminum Block)  | 2  | Automatic  | 0.040 in (1.01 mm)  | 
| Table 1: | Engine Specifications | 
Application  | Capacities  | |
|---|---|---|
English  | Metric  | |
Automatic Transmission* (Pan Removal and Filter Replacement)  | 11.5 qt  | 10.9 L  | 
Cooling System  | ||
  | 2.5 qt  | 2.4 L  | 
  | 17.2 qt  | 16.3 L  | 
Fuel Tank  | 26.0 gal  | 98.4 L  | 
*See Automatic Transmission Fluid for information on checking fluid level.  | ||
All capacities are approximate. Recheck fluid level after filling.  | ||
Engine  | VIN Code  | Transmission  | Spark Plug Gap  | 
|---|---|---|---|
6.0L V8  | 5  | Automatic  | 0.040 in (1.01 mm)  |