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Place a drain pan under the radiator. Open the drain petcock (usually at the bottom of the radiator) to empty the coolant. Locate the Hose: The

typically manufactured by or sold under interchangeable brand names like Dayco (72320) . It is a direct replacement part commonly used for the 2005–2008 Toyota Avalon and similar vehicles with the 3.5L engine. 1. Replacement Preparation 26524x

is the , which connects the bottom of the radiator to the engine's water inlet. Place a drain pan under the radiator

Leave the radiator cap off and start the engine. Let it reach operating temperature until the thermostat opens. This allows air bubbles to escape. 26524x