Engine Temperature Control Actuator -N493-, REMOVING AND INSTALLING: Removing

WARNING: This page is about a different car, the 2022 Audi A6 Quattro and 2021 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Drain the coolant. Refer to DRAIN THE COOLANT .

Audi A4/A5:

Fig 1: Coolant Expansion Tank.

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-- Lift the clamps -arrows-, remove and free up the coolant hoses.

-- Disconnect the connector -1-.

-- Remove the bolt -2- and remove the coolant expansion tank -3-.

Continuation for All Vehicles:

-- Remove the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module -GX3-, REMOVING AND INSTALLING .

-- Remove the coolant pump. Refer to COOLANT PUMP, REMOVING AND INSTALLING .

-- Lift the clamps -1, 2 and 3- and remove the coolant hoses.

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -arrow- for the Engine Temperature Control Actuator -N493-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1 to 5-.

-- Take the Engine Temperature Control Actuator -N493- off the alignment pins and remove it from the engine oil cooler.