Global Machinery Company Sierra 1999 - Manual (Page 374)

yellow blue
6-76
Crankcase Capacity (Approximate)
After refill, the level must be rechecked. Add enough
engine oil so that the fluid is within the proper operating
range. See “Engine Oil” in the Index.
Engine VIN Quantity with Filter
[
VORTEC
4300 V6 W 4.5 quarts (4.3 L)
VORTEC
4800 V8 V 6.0 quarts (5.7 L)
VORTEC
5300 V8 T 6.0 quarts (5.7 L)
VORTEC
6000 V8 U 6.0 quarts (5.7 L)
[Oil filter should be changed at every oil change.
Fuel Tank Capacity (Approximate)
Type Quantity
Short Bed 26 gallons (98 L)
Long Bed 34 gallons (128 L)
Chassis Cab 34 gallons (128 L)
Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same.
If the air conditioning system in your vehicle needs
refrigerant, be sure the proper refrigerant is used.
If you’re not sure, ask your dealer.
See refrigerant charge label under the hood for charge
capacity information and requirements.