Engine Coolant Temperature (ECT) Sensor -G62-

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2015 Audi TT Quattro, 2014 Audi TT Quattro, 2013 Audi TT, 2012 Audi TT, and 2011 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.

Removing

Engine cold.

-- Remove the bolts -arrows- and air guide.

Fig 1: Air Guide And Bolts

GWWA10-10602

Courtesy of AUDI OF AMERICA, LLC

-- Remove both the lower air guide and the air guide hose.

-- Remove the air guide hose -2 and 3-.

Fig 2: Air Guide Hose Bolts, Air Guide Pipe Hose Clamps & Electrical Harness Connector

GWWA21-10161

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore items -1, 2 and arrows-.

-- Disconnect electrical connector -1- on throttle valve control module -J338-.

Fig 3: Identifying Throttle Valve Control Module Electrical Connector And Bolts

GWWA24-10398

Courtesy of AUDI OF AMERICA, LLC

-- Remove bolts -arrows- and remove throttle valve control module.

-- Remove the intake manifold support; to do this, remove the nut -2- and bolt -1-.

Fig 4: Identifying Intake Manifold Support, Nut And Bolt

GWWA19-10457

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1- from the ECT sensor.

Fig 5: Engine Coolant Temperature Sensor G62 Electrical Connector

GWWA19-10459

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Use a cloth to catch any leaking coolant.

-- Remove the clamp, to do this, press the latches -arrow-.

-- Remove the ECT sensor -2-.

Installing

Installation is carried out in the reverse order while noting the following:

NOTE:

Replace the O-ring.

To prevent coolant loss, immediately insert new ECT sensor in connecting pieces.

-- Install the intake manifold support. Refer to Removal and Installation .

-- Install throttle valve control module. Refer to Removal and Installation .

-- Check the coolant level. Refer to COOLANT, DRAINING AND FILLING .