Oxygen Sensor After Catalytic Converter, Bank 1 - Audi A6 Repair Manual

– Disconnect electrical harness connector -1- for Heated Oxy‐
gen Sensor (HO2S) 2 -G108- and free up wire.
Note
Ignore -2 -.
– Remove oxygen sensor -1- using ring spanner set -3337- .
Note
To improve clarity, the engine is shown removed.
Installing
Installation is in reverse order of removal, note the following:
Note
New oxygen sensors are coated with assembly paste; the
♦
paste must not get into slots of oxygen sensor body.
When reinstalling the previously used oxygen sensor, coat
♦
thread with hot bolt paste ⇒ Parts Catalog . Paste must not
get on to slits of sensor body.
Wires of oxygen sensors must always be secured in the same
♦
position when installing so that contact with the exhaust pipe
is avoided.
Tightening Specifications
Component
Oxygen sensor in front exhaust pipe
5.9 Oxygen Sensor after Catalytic Convert‐
er, Bank 1
Special tools and workshop equipment required
♦ Ring spanner 7-piece set for oxygen sensor -3337-
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Fuel Injection and Ignition - Edition 03.2008
Nm
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Audi A6 2005 ➤
5. Removal and Installation
47