Removing And Installing Lambda Probe 2 G108 And Lambda Probe 2 After Catalytic Converter G131 - Audi A8 2010 Workshop Manual

Audi A8 2010 ➤
Simos direct petrol injection and ignition system (6-cyl. 3.0 ltr. TFSI 4-valve) - Edition 12.2011
– Unscrew relevant Lambda probes:
1 - Lambda probe -G39- using ring spanner -3337/7-
2 - Lambda probe after catalytic converter -G130- using ring
spanner -3337/2-
Note
For illustration purposes, the installation position is shown with
the engine removed.
Installing
• Tightening torques
⇒ „2.17 Lambda probes - overview", page 42
Installation is carried out in the reverse order; note the following:
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Note
New Lambda probes are coated with an assembly paste.
♦
If reinstalling the old Lambda probes, coat the threads with
♦
high-temperature paste ⇒ Electronic parts catalogue .
The assembly paste/high-temperature paste must not get into
♦
the slots on the Lambda probe body.
When installing, the Lambda probe wire must always be reat‐
♦
tached at the same locations to prevent it from coming into
contact with the exhaust pipe.
Fit all cable ties in the original positions when installing.
♦
– Install throttle valve module -J338-
2.19 Removing and installing Lambda
probe 2 -G108- and Lambda probe 2 af‐
ter catalytic converter -G131-
Special tools and workshop equipment required
♦ Lambda probe open ring spanner set -3337-
Removing
– Remove engine cover panel (rear)
– Remove plenum chamber partition panel ⇒ Rep. gr. 50 .
44
Rep. gr.24 - Mixture preparation - injection
⇒ page 25 .
⇒ page 18 .