Forester F4-2.5L SOHC (2004)
4. Check the clearance between impeller and pump case.
Clearance between impeller and pump case:
Standard 0.5 - 0.7 mm (0.020 - 0.028 inch)
Limit 1.0 mm (0.039 inch)
5. After water pump installation, check the pulley shaft for engine coolant leaks. If leaks are noted, replace the water pump assembly.
