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Capacities and Specifications
Please refer to “Recommended Fluids and Lubricants” in the Index for more information.
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.