Impreza L Sedan F4-2.2L SOHC (1997)
Water Pump: Specifications
Service Specifications
CLEARANCE BETWEEN IMPELLER AND CASE
Standard: 0.5 - 0.7 mm (0.020 - 0.028 inch)
Wear Limit: 1.0 mm (0.039 inch)
THRUST RUNOUT OF IMPELLER END
Standard: 0.5 mm (0.020 inch)