Chevrolet 2000 Tahoe Owner's Manual page 364

Cooling System Capacity (Approximate)
After refill, the level must be rechecked. See "Cooling System" in the Index.
Engine
VORTEC 4800 V8
VORTEC 4800 V8
VORTEC 5300 V8
VORTEC 5300 V8*
VORTEC 6000 V8
VORTEC 6000 V8**
* Vehicles equipped with the optional air conditioner.
** Vehicles equipped with the optional engine oil cooler.
Add one liter if equipped with rear heating for all engines.
Transmission
Automatic with front A/C
Automatic with front and rear A/C
Automatic with front A/C
Automatic with front and rear A/C
Automatic
Automatic with engine oil cooler
Quantity
14.4 quarts (13.7 L)
15.8 quarts (15.0 L)
14.4 quarts (13.7 L)
15.8 quarts (15.0 L)
15.8 quarts (15.0 L)
15.4 quarts (14.6 L)
6-65