GMC 2000 Sierra - Manual (Page 375)

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Capacities and Specifications
Please refer to “Recommended Fluids and Lubricants” in the Index for more information. See refrigerant charge label
under the hood for charge capacity information and requirements.
Engine Type VIN Code Spark Plug Gap
VORTEC 4300 V6 W 0.060 inches (1.52 mm)
VORTEC 4800 V8 V 0.060 inches (1.52 mm)
VORTEC 5300 V8 T 0.060 inches (1.52 mm)
VORTEC 6000 V8 U 0.060 inches (1.52 mm)
Wheels and Tires
Model Description Torque
C/K 1500 6 bolts (14mm) 140 lb - ft (190 N·m)
C/K 2500 8 bolts (14mm) 140 lb - ft (190 N·m)
Tire Pressure See the Certification/Tire label on the rear edge of the driver’s door or the
incomplete vehicle document in the cab.