Toyota G9020-47031 Water Pump Assembly W/Motor Bracket

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A failure in the water pump can have serious consequences for the engine, leading to overheating. To check the functionality of the water pump, start the engine and let it warm up to normal operating temperature, then squeeze the right-side radiator hose. If the water pump is working properly, a pressure surge should be felt as the hose is released. Water pumps are designed with weep or vent holes, and if the pump seal fails, coolant will leak from this hole. To locate the hole, a flashlight may be needed to look through the space behind the pulley just below the water pump shaft. Additionally, if the water pump shaft bearings fail, a howling sound may be heard at the front of the engine while it is running. Checking for bearing wear can be done by rocking the water pump pulley up and down, feeling for any play. It's important not to mistake drive belt slippage, which causes a squealing sound, for water pump failure. Applying automotive drive belt dressing on the belt can help eliminate the belt as a possible cause of the noise.

To remove the water pump on 2009 and earlier models, you should disconnect the cable from the negative terminal of the auxiliary 12-volt battery, drain the cooling system, and remove the engine drive belt.

No, the inverter pump does not use a gasket

This is the inverter pump for electric vehicles, therefore no belt will need to be changed

No, this is the hybrid inverter water pump for the electric vehicles