2004 GMC Sierra 1500 Pickup Owner's Manual - Page 534

Capacities and Specifications Please refer to Recommended Fluids and Lubricants on page 6-14 for more information. All capacities are approximate. When adding see the refrigerant charge label under the hood for charge capacity information and requirements. Capacities and Specifications Engine VORTEC™ 4300 V6 VORTEC™ 4800 V8 VORTEC™ 5300 V8 VORTEC™ 6000 V8 VORTEC™ 8100 V8 VIN Code W V T U G Spark Plug Gap 0.060 inches (1.52 mm) 0.040 inches (1.01 mm) 0.040 inches (1.01 mm) 0.040 inches (1.01 mm) 0.060 inches (1.52 mm) Model C/K 1500 & C/K 2500 C/K 3500 Tire Pressure Description Torque 6 Bolts (14 mm) 140 lb ft (190 Y) 8 bolts (14 mm) 140 lb ft (190 Y) See the Certification/Tire label on the rear edge of the driver's door or the incomplete vehicle document in the cab. 5-134