How to replace the Corolla water pump?

The replacement method of Corolla water pump is as follows: 1. Clean the dirt on the surface of the water pump and fix the water pump on a fixture or vice. Loosen and remove the pulley fastening bolt Removing the pulley. Remove the flange of the water pump shaft with a special puller; 2. Loosen and remove the fastening bolts of the water pump front shell, and remove the entire front pump shell section and gasket. Care should be taken when removing the impeller of the water pump with a puller to prevent the impeller from being damaged. Remove the lock ring and water seal assembly from the water pump impeller. 3. Remove the oil seal and related gasket. Remove the floating seat from the housing. Transposition clamping: remove the fastening bolt of the water inlet pipe: remove the sealing ring and thermostat: 4. When installing new gaskets and sealing rings after removing the water pump, please replace all gaskets and sealing rings in the reverse order.