Oxygen Sensor Before Catalytic Converter, Bank - Audi A6 Repair Manual

Audi A6 2005 ➤
Fuel Injection and Ignition - Edition 03.2008
– Remove oxygen sensor -2- using ring spanner set -3337- .
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.
Electrical wire of oxygen sensor must always be secured in
♦
the same position when installing so that contact with the ex‐
haust pipe is avoided.
Tightening Specifications
Component
Oxygen sensor in front exhaust pipe
5.8 Oxygen Sensor before Catalytic Con‐
verter, Bank 2
Special tools and workshop equipment required
♦ Ring spanner 7-piece set for oxygen sensor -3337-
Removing
– Remove rear engine cover -arrows-.
– Remove coolant expansion tank -arrow-.
– Disconnect electrical connection from Engine Coolant Level
(ECL) warning switch -F66- at bottom of coolant reservoir and
set aside coolant reservoir with coolant hoses -1- and -2- con‐
nected.
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
46
Rep. Gr.24 - Fuel injection system
Nm
55