GMC Yukon 2007 Owner's Manual page 574

Transfer Case Fluid
Wheel Nut Torque
†Oil filter should be changed at every oil change.
After refill, the level must be rechecked. Add enough engine coolant so that the fluid is within the proper operating
range.
Engine
4.8L V8
5.3L V8 Flexible Fuel
with Active Fuel
Management™ (Iron)
5.3L V8 Flexible Fuel with
Active Fuel Management™
(Aluminum Block)
5.3L V8 with Active Fuel
Management™
6.0L V8
6.0L V8 with Active Fuel
Management™
574
Application
Engine Specifications
VIN Code
C
0
3
J
K
Y
Capacities
English
2.0 qt
140 lb ft
Transmission
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Metric
1.9 L
190 Y
Spark Plug Gap
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)
0.040 in (1.01 mm)