Engine Coolant Temperature Sensor

WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Assembly Tool T10118

Removing

Engine cold.

-- Release relay lever -arrow- and remove.

Fig 1: Release Relay Lever -Arrow- And Remove

Courtesy of AUDI OF AMERICA, LLC

-- Remove bolts -1- and -2-.

-- Remove intake manifold flap vacuum actuator from intake manifold and lay aside with vacuum hose connected -3-.

-- Disconnect electrical connector -arrow- on engine coolant temperature (ECT) sensor -G62- with T10118.

Fig 2: Component Location Of Engine Coolant Temperature (ECT) Sensor G62

Courtesy of AUDI OF AMERICA, LLC

-- Pull engine coolant temperature (ECT) sensor -G62- retaining clip up.

-- Pull engine coolant temperature (ECT) sensor -G62- out of coolant thermostat housing.

Installing

Installation is in reverse order of removal, note the following:

NOTE:

Replace O-ring.

To prevent coolant loss, immediately insert new engine coolant temperature (ECT) sensor -G62- in coolant thermostat housing.

-- Install intake manifold flap vacuum actuator. Refer to Removal and Installation .

-- Check coolant lever COOLING SYSTEM, DRAINING AND FILLING .