Air Conditioning Refrigerant

See refrigerant label located in the engine compartment.

Cooling System

• 4800 V8**

16.7 qt

15.8 L

• 5300 V8**

16.7 qt

15.8 L

• 6000 V8*

16.2 qt

15.3 L

• 6000 V8**

16.8 qt

15.9 L

• 8100 V8*

26.9 qt

25.5 L

* Engine Fan Driven Cooling System

** Electric Cooling Fan System

Add 2.0 L (2.1 qt) if equipped with rear heating for all engines.

Engine Oil with Filter

• 4800 V8; 5300 V8; 6000 V8

6.0 qt†

5.7 L†

• 8100 V8

6.5 qt†

6.1 L†

Fuel Tank

• Yukon

26.0 gal

98.4 L

• Yukon XL (1500 Series)

31.0 gal

117.3 L

• Yukon XL (2500 Series)

37.5 gal

140.0 L

Wheel Nut Torque

140 ft lb

190 N·m

†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.

VORTEC 4800 V8

V

Automatic

0.040 in (1.01 mm)

VORTEC 5300 V8

T

Automatic

0.040 in (1.01 mm)

VORTEC 5300 V8

Z

Automatic

0.040 in (1.01 mm)

VORTEC 6000 V8

U

Automatic

0.040 in (1.01 mm)

VORTEC 8100 V8

G

Automatic

0.060 in (1.52 mm)