Impreza RS Coupe AWD F4-2.5L DOHC (1998)
Water Pump: Specifications
Service Specifications
Discharge Performance I:
Discharge .................................................................................................................................................................. 20 liters (5.3 US Gallons) Minimum
Pump Speed Total Engine Coolant Head ............................................................................................................................ 760 rpm - 0.3 mAq (1.0 ftAq)
Engine Coolant Temperature ........................................................................................................................................................................ 85°C (185°F)
Discharge Performance II:
Discharge .............................................................................................................................................................. 100 liters (26.4 US Gallons) Minimum
Pump Speed Total Engine Coolant Head ........................................................................................................................ 3000 rpm - 5.0 mAq (16.4 ftAq)
Engine Coolant Temperature ........................................................................................................................................................................ 85°C (185°F)
Discharge Performance III:
Discharge .............................................................................................................................................................. 200 liters (52.8 US Gallons) Minimum
Pump Speed Total Engine Coolant Head ...................................................................................................................... 6000 rpm - 23.0 mAq (75.5 ftAq)
Engine Coolant Temperature ........................................................................................................................................................................ 85°C (185°F)
Impeller Diameter ..................................................................................................................................................................................... 76 mm (2.99 inch)
Number Of Impeller Vanes .................................................................................................................................................................................................. 8
Pump Pulley Diameter .............................................................................................................................................................................. 60 mm (2.36 inch)