Audi Workshop Service and Repair Manuals

Special tools, workshop equipment and other items required

• ◆ Ring spanner set 3337
• ◆ Hot bolt paste G 052 112 A3

Removing

For fitting location of connectors => refer to exploded view.

• ‒ Unplug 4-pin connector to appropriate Lambda probe.
• ‒ Unfasten cable ties.
• ‒ Use special tool 3337 to screw out Lambda probe.

Installing

Pay attention to the following on installation:

Notes:

• ◆ The thread of the Lambda probe is coated with an assembly paste, which must not be allowed to ingress into the openings in the probe.
• ◆ On installation, always re-attach cable ties at the same location to stop probe wire coming into contact with exhaust pipe.
• ◆ Tightening torque 55 Nm