Chevrolet 1996 Tahoe Owner's Manual page 325

Cooling System Capacity (Approximate)
After refill, the level must be rechecked. See "Cooling
System" in the Index.
ENGINE
VIN QTY Without Rear Heater
"VORTEC" 5700
R
17.5 Quarts (1615 L)
"VORTEC" 7400
J 25 Quarts (23.5 L)
Crankcase Capacity (Approximate)
After refill, the level must be rechecked. See "Engine
Oil" in the Index.
ENGINE, VIN QUANTITY WITH FILTER?
"VORTEC" 5700 R
5 Quarts (4.8 L)
"VORTEC" 7400
J 7 Quarts (6.5 L)
?Oil filter should be changed at every oil change.
QTY With Rear Heater
20 Quarts (19 L)
27.5 Quarts (26 L)
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