Engine Coolant Temperature Sensor on Radiator Outlet -G83-, REMOVING AND INSTALLING

Removing

• The engine is 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- if necessary.

Fig 1: Coolant Expansion Tank

Courtesy of AUDI OF AMERICA, LLC

-- Remove the front noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING .

-- Disconnect the connector -2-.

Fig 2: Component Location - Engine Coolant Temperature Sensor on Radiator Outlet -G83-

Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the clip -1- and remove the Engine Coolant Temperature Sensor on Radiator Outlet -G83-.

• Replace the O-rings after removing them.

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

-- Check the coolant level. Refer to Coolant Level, Checking .

Tightening Specifications 

• Refer to OVERVIEW - NOISE INSULATION .