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

WARNING: This page is about a different car, the 2022 Audi Q8, 2021 Audi Q8, 2020 Audi Q8, and 2019 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.

Procedure

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

-- 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- .

-- 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 / COOLANT, DRAINING AND FILLING .

There may be additional procedures depending on the model. Refer to COOLANT PUMP/COOLANT REGULATION .

Tightening Specifications

Refer to OVERVIEW - COOLANT PUMP/COOLANT THERMOSTAT