Engine Temperature Control Temperature Sensor -G694-, REMOVING AND INSTALLING, 3.0L ENGINE: Procedure

WARNING: This page is about a different car, the 2021 Audi S5 Sportback and 2020 Audi S5 Sportback. However, it is still accessible from the selected car via links, so may be relevant.

Preliminary work may be required depending on the model. Refer to ENGINE TEMPERATURE CONTROL TEMPERATURE SENSOR -G694-, REMOVING AND INSTALLING .

The engine is cold.

Fig 1: Coolant Expansion Tank
Courtesy of AUDI OF AMERICA, LLC

-- To reduce the residual pressure in the cooling system, briefly open the coolant expansion tank cap -1- by releasing the retainer -arrow-.

-- Reinstall the cap until it engages.

-- Remove the oil filter housing. Refer to OIL FILTER HOUSING, REMOVING AND INSTALLING .

-- Disconnect the connector -1-.

Courtesy of AUDI OF AMERICA, LLC

-- Place a cloth underneath to catch any escaping coolant.

-- Remove the bolt -2- and remove the Engine Temperature Control Sensor -G694-.

Replace the O-ring after removing.

-- Insert the new engine coolant temperature sensor immediately so that as little coolant is lost as possible.

-- Install the oil filter housing. Refer to OIL FILTER HOUSING, REMOVING AND INSTALLING .

-- Fill with coolant. Refer to COOLANT, DRAINING AND FILLING .

There may be additional procedures depending on the model. Refer to ENGINE TEMPERATURE CONTROL TEMPERATURE SENSOR -G694-, REMOVING AND INSTALLING .