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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine) >> 19 Cooling System >> Coolant Pump/Coolant Thermostat >> Engine Coolant Temperature Sensor on Engine Output -G82-, REMOVING AND INSTALLING >> Engine Coolant Temperature Sensor on Engine -G82-, REMOVING AND INSTALLING, 2.9L ENGINE >> Procedure

Engine Coolant Temperature Sensor on Engine -G82-, REMOVING AND INSTALLING, 2.9L ENGINE: Procedure

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Remove the engine cover and heat shield. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the bolts -1 and 2-, remove the coolant pipes from the turbochargers and push to the side.

GWWA19-12741Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows-.

GWWA19-12727Courtesy of AUDI OF AMERICA, LLC

-- Free up the crankcase ventilation hose -2- and push the bracket -1- to the side.

-- Remove the bolt -1-.

GWWA19-12728Courtesy of AUDI OF AMERICA, LLC

-- Remove the Engine Coolant Temperature Sensor on Engine -G82- and disconnect the connector -2- ; use needle nose pliers to do so.

-- Insert the engine coolant temperature sensor using needle nose pliers.

-- Install the right rear large coolant pipe. Refer to COOLANT PIPES, REMOVING AND INSTALLING .

-- Install the heat shield and engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .