GMC 2007 Sierra 1500 Pickup Owner's Manual page 611

Transfer Case Fluid
Wheel Nut Torque
After refill, the level must be rechecked. Add enough engine coolant so that the fluid is within the proper operating
range.
Engine
VORTEC™ 4.3L V6
VORTEC™ 4.8L V8
VORTEC™ 5.3L V8 Flex Fuel
VORTEC™ 5.3L V8
VORTEC™ 5.3L V8
VORTEC™ 6.0L V8
VORTEC™ 6.0L V8
VORTEC™ 8.1L V8
Application
Engine Specifications
VIN Code
X
V
Z
T
B
U
N
G
Capacities
English
2.0 qt
140 ft lb
Transmission
Automatic
Manual
Automatic
Manual
Automatic
Automatic
Automatic
Automatic
Manual
Automatic
Manual
Automatic
Manual
Metric
1.9 L
190 Y
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)
0.040 inches (1.01 mm)
0.040 inches (1.01 mm)
0.040 inches (1.01 mm)
0.060 inches (1.52 mm)
611