Audi Q7 2007 Repair Manual page 59

– Remove the Heated Oxygen Sensor 2 - G108- -1- with the
Ring Wrench Set - Oxygen Sensor Probe Socket - 3337/7- .
– Remove the Oxygen Sensor 2 after Catalytic Converter -
G130- -2- with the Ring Wrench 7-Piece Set - Wrench 1 -
3337/1- .
Installing
Install in reverse order of removal. Note the following:
• Tightening specifications. Refer to
⇒ "3.17 Overview - Heated Oxygen Sensors", page 52
Note
Coat new oxygen sensors with an assembly paste.
♦
Only the thread may be coated with hot bolt paste on a used
♦
oxygen sensor. Refer to the Parts Catalog
Assembly paste or hot bolt paste must not enter the slots on
♦
the sensor body.
Wire connection of the heated oxygen sensor must always be
♦
secured in the same position when installing so that contact
with the exhaust pipe is avoided.
The hose connections as well as the air duct pipes and hoses
♦
must be free of oil and grease before installing.
Secure all hose connections with standard production hose
♦
clamps. Refer to the Parts Catalog.
To mount the air guide hoses on their connectors securely,
♦
spray the bolts on the used clamps with rust remover before
installing.
Fuel Injection and Ignition - Edition 02.2015
.
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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.
Audi Q7 2007 ➤
55
3. Injection System