Toyota 16100-09200 Engine Water Pump Assembly

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To replace the water pump in a vehicle, disconnect the battery cable, drain the cooling system, remove the engine cover, and splash shield, and take off the drive belt. Next, you can disconnect the upper and lower radiator hoses, and remove the fan shroud and Cooling Fan Assembly. Next, remove the idler pulleys, alternator, and drive belt tensioner. Remove the water pump mounting bolts and clean the gasket surfaces. Install a new gasket, water pump, and O-ring. For certain models, remove the timing belt and idler pulley. Disconnect the bypass hose and remove the water inlet assembly. Replace the O-ring and clean the gasket surface. For specific models, disconnect the harness, and remove the A/C Compressor, oil cooler hoses, and cooler tubes. Remove the water pump pulley bolts and replace the O-ring. Install a new gasket, water pump, and water inlet O-ring. Reverse the removal steps, refill the cooling system, run the engine, and check for leaks.

The next step is to remove the engine splash shield.