Audi Workshop Service and Repair Manuals > A5 > Power unit | Direct petrol injection and ignition system (4-cyl. 2.0 ltr. 4-valve turbo with timing chain) | Mixture preparation system, electronic inj.,Gas

Removing and installing Lambda probe after catalytic converterG130 and Lambda probe 1 heater after catalytic converterZ29

Removing and installing Lambda probe after catalytic converter -G130- and Lambda probe 1 heater after catalytic converter -Z29-

Special tools and workshop equipment required

t	Lambda probe open ring spanner set -3337-

Removing

–	Unplug electrical connector -2- for Lambda probe after catalytic converter -G130- and Lambda probe 1 heater after catalytic converter -Z29-.

Note

Item -3- is not installed on vehicles with engine code CFKA or CPMA.

–	Unscrew Lambda probe after catalytic converter -G130--1- using tool from Lambda probe open ring spanner set -3337-.

Installing

When installing, note the following:

Note

t	Threads of new Lambda probes are already coated with assembly paste; the paste must not get into the slots on the probe body.

t	In the case of a used Lambda probe grease only the thread with high-temperature paste. The paste must not get into the slots on the Lambda probe body. High-temperature paste → Parts catalogue

t	When installing, it is important to re-attach the Lambda probe wiring at the same locations to prevent it from coming into contact with the exhaust pipe.

l	Tightening torque: refer to overview of Lambda probes → Chapter.

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