Chevrolet 2003 Tahoe Owner's Manual page 461

After refill, the level must be rechecked. Add enough engine oil so that the fluid is within the proper operating range.
See Engine Oil on page 5- 17.
Capacities
Capacities
Application
English
I
Metric
Engine Oil with Filter
VORTEC 4800 V8 VIN V
5.7 L t
6.0 quartst
VORTEC 5300 V8 VIN T
5.7 L t
6.0 quartst
VORTEC 5300 V8 VIN Z (E-85)
5.7 L t
6.0 quartst
VORTEC 6000 V8 VIN U
6.1 L t
6.5 quartst
VORTEC 8100 V8 VIN G
5.7 L t
6.0 quartst
Fuel Tank Capacity
TahoeNukon
140.0 L
37.5 gallons
SuburbanNukon XL (2500 Series)
117.3 L
31 .O gallons
SuburbanNukon XL (1 500 Series)
98.4 L
26.0 gallons
Air Conditioning Refrigerant Capacity
TahoeNukon
1.36 kg 3.0 Ibs.
SuburbanNukon XL
1.23 kg 2.71 Ibs.
t o i l filter should be changed at every oil change.
5-1 08