Toyota 04161-10021 Water Pump Kit

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If the water pump is found to be defective, it should be replaced with a new or rebuilt unit.

Take off the accessory drive belt and the intake manifold brace, making sure to remove the Air Suction (AS) valve first on certain models. Remove the oil pan dipstick and disconnect the water by-pass on carbureted models. Take off the hoses from the inlet pipe and remove the mounting bolt to detach the pipe from the water pump. Remove the alternator and adjusting bar, and check the water pump by-pass pipe for leaks. If necessary, unbolt the clamp and replace the O-ring or hose. Finally, remove the water pump by removing the bolt and two nuts, gently tapping it if it's stuck.