Thermal Management Coolant Temperature Sensor 7 -G908-, REMOVING AND INSTALLING

Procedure 

• Engine coolant system cold.

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

Fig 1: Coolant Expansion Tank

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -1-, and remove the Thermal Management Coolant Temperature Sensor 7 -G908-.

• Replace the O-rings after removing them.

-- To prevent coolant loss, install the new coolant temperature sensor immediately.

-- Fill with coolant. Refer to Coolant, Filling .

Tightening Specifications 

• Refer to OVERVIEW - ENGINE COOLANT TEMPERATURE SENSOR, VEHICLE WITH HIGH-VOLTAGE SYSTEM, ENGINE COOLANT CIRCUIT