Exhaust Gas Temperature Sensor 1 -G235-, REMOVING AND INSTALLING: Removing

WARNING: This page is about a different car, the 2016 Audi Q5, 2015 Audi Q5, and 2014 Audi Q5. 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 installing, bring all cable ties back to same positions.

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

-- Remove the plenum chamber bulkhead, refer to OVERVIEW - BULKHEAD .

Fig 1: Identifying Plenum Chamber Bulkhead Assembly

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-- Disconnect the connector -1-.

Fig 2: Identifying Mass Airflow Sensor

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-- Remove the air guide hose with Mass Air Flow Sensor -G70- by loosening hose clamp -2- and opening clips -arrows-.

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 -1- 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 3: Identifying Crankcase Ventilation Hose

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-- Remove the bolts -arrows- and then remove the support from the turbocharger.

Fig 4: Identifying Bolts

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-- Remove the connector -2- from the bracket and disconnect it.

Fig 5: Identifying Connector

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-- Remove the Exhaust Gas Temperature Sensor 1 -G235- -1- with a tool from the Diesel Engine Tool Set - 17mm T10395 A.