GMC 2001 Sierra 1500 Pickup Owner's Manual page 423

Cooling System Capacity
After refill, the level must be rechecked. See "Cooling System" in the Index.
Engine
VORTEC 4300 V6
VORTEC 4300 V6
VORTEC 4800 V8
VORTEC 4800 V8
VORTEC 5300 V8
VORTEC 5300 V8**
VORTEC 6000 V8
VORTEC 6000 V8*
VORTEC 6000 V8
VORTEC 6000 V8*
VORTEC 6600 V8
VORTEC 6600 V8
VORTEC 8100 V8
VORTEC 8100 V8
* Vehicles equipped with the optional engine oil cooler.
** Vehicles equipped with the optional air conditioner.
Transmission
Automatic 12.6 quarts (11.9 L)
Manual 12.9 quarts (12.2 L)
Automatic 13.4 quarts (12.7 L)
Manual 13.7 quarts (13.0 L)
Automatic 13.4 quarts (12.7 L)
Automatic 14.9 quarts (14.1 L)
Automatic 14.8 quarts (14.0 L)
Automatic 14.4 quarts (13.6 L)
Manual 15.2 quarts (14.4 L)
Manual 14.8 quarts (14.0 L)
Manual 20.7 quarts (19.6 L)
Automatic 20.3 quarts (19.2 L)
Manual 21.1 quarts (20.0 L)
Automatic 20.7 quarts (19.6 L)
Quantity
6-81