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

Procedure 

Preliminary work may be required depending on the model. Refer to Engine Temperature Control 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 in direction of -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 cleaning cloth underneath to catch any escaping coolant.

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

• Replace the O-ring after removal.

-- 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 Sensor -G694-, REMOVING AND INSTALLING .

Tightening Specifications 

• Refer to OVERVIEW - COOLANT PUMP/COOLANT THERMOSTAT