Engine Coolant Temperature Sensor on Engine -G82-, REMOVING AND INSTALLING, 2.9L ENGINE

Special tools and workshop equipment required 

• Socket:T10405 
  Fig 1: Identifying Socket T30

  Courtesy of AUDI
• Straight needle nose pliers, long version, commercially available
• 45° angled needle nose pliers, long version, commercially available

Procedure

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Remove the engine cover and heat shield. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the bolts -1 and 2-, remove the coolant pipes from the turbochargers and push to the side.

Courtesy of AUDI

-- Remove the bolts -arrows-.

Courtesy of AUDI

-- Free up the crankcase ventilation hose -2- and push the bracket -1- to the side.

-- Remove the bolt -1-.

Courtesy of AUDI

-- Remove the Engine Coolant Temperature Sensor on Engine -G82- and disconnect the connector -2- ; use needle nose pliers to do so.

• Replace the O-rings after removing them.

-- Insert the engine coolant temperature sensor using needle nose pliers.

-- Install the right rear large coolant pipe. Refer to COOLANT PIPES, REMOVING AND INSTALLING .

-- Install the heat shield and engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

Tightening Specifications

• Refer to OVERVIEW - ENGINE COOLANT TEMPERATURE SENSOR 
• Refer to OVERVIEW - OIL FILTER