GMC 1998 Savana Van Owner's Manual page 308

Cooling System Capacity (Approximate)
ENGINE VIN QTY Without Rear Heater
"VORTEC"4300
W 11 Quarts (10.4 L)
"VORTEC"5000
M
17 Quarts (16
L)
"VORTEC"5700 R 17 Quarts (16 L)
"VORTEC"7400
J
23 Quarts (21.8
L)
QTY With Rear Heater
14 Quarts (13.2
L)
20 Quarts (18.9
L)
20 Quarts (18.9
L)
26 Quarts (24.6 L)
After refill, the level MUST be checked as outlined under "Engine Cooling System" in Section 5 .
Crankcase Capacity (Approximate)
ENGINE
VIN
Quantity With Filter
"VORTEC"4300 W 4.5 Quarts (4.3 L)
"VORTEC"5000 M 5 Quarts (4.8
L)
"VORTEC"5700 R
5 Quarts (4.8 L)
"VORTEC"7400 J
6.6 Quarts (6.24 L)
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.
*Add one additional quart for RPO 5Z1 and RPO
KL5 Models.