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| Unplug electrical connector -1- for Lambda probe -G39-. |
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| Unscrew Lambda probe -G39--5- using tool from Lambda probe open ring spanner set -3337-. |
| 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. For high-temperature paste refer to → Parts catalogue. |
| t
| When installing, the Lambda probe wiring must always be reattached at the same locations to prevent it from coming into contact with the exhaust pipe. |
| l
| Tightening torques: refer to Lambda probe - exploded view → Chapter |
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