1998 GMC Savana Van Owner's Manual - Page 308

Cooling System Capacity (Approximate) ENGINE VIN "VORTEC"4300 "VORTEC"5000 "VORTEC"5700 "VORTEC"7400 17 Heater Without Rear QTY W 11 Quarts (10.4 L) 17 Quarts (16 L) Quarts (16 L) 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) M R J After refill, the level MUST be checked as outlined under "Engine Cooling System" in Section 5 . Crankcase Capacity (Approximate) ENGINE VIN Filter With Quantity "VORTEC"4300 "VORTEC"5000 "VORTEC"5700 "VORTEC"7400 W M R 4.5 Quarts (4.3 L) 5 Quarts (4.8 L) 5 Quarts (4.8 L) J 6.6 Quarts (6.24 L) After refill, the level MUST be rechecked. Add enough engine oilso that the fluid is within the proper operating range. See "Engine Oil" in the Index. *Add one additional quart forRPO 5Z1 and RPO KL5 Models.