Exhaust Gas Temperature Sensor 4 -G648-, Installing And Removing, Vehicles With A Turbocharger: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

When working on the whole exhaust system:

Follow the safety precautions when working on the exhaust system, refer to EXHAUST SYSTEM SAFETY PRECAUTIONS .

NOTE:

When removing the wire do not cut it, in this case a fault diagnosis will no longer be possible.

-- Remove the engine cover, refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Open the clamps -arrows- and remove the air guide pipe -1-.

Fig 1: Identifying Air Guide Pipe & Clamps

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Depending on the vehicle equipment level and market-specific crankcase ventilation hose may be used, which cannot be removed from the cylinder head cover without being destroyed. In these versions the hose on the cylinder head cover is destroyed and replaced.

-- Remove the hose -arrow- for the crankcase ventilation, to do so - if equipped- press the release button or the damage the hose connection on the cylinder head cover.

Fig 2: Identifying Crankcase Ventilation Hose

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bracket for the connector -2- and free up and disconnect the connector.

Fig 3: Exhaust Gas Temperature Sensor 4 -G648- -arrow- (If Equipped)

Courtesy of AUDI OF AMERICA, LLC

-- Remove the Exhaust Gas Temperature Sensor 4 -G648- -1- with a tool from the Diesel Engine Tool Set - 17 mm T10395A.