Audi Workshop Service and Repair Manuals

Special tools and workshop equipment required

• ◆ Ring spanner set 3337

Removing

Note:

All cable ties unfastened or cut open on removal are to be re-attached in same position on installation.

• ‒ → Detach rear engine cover -arrows-.

• ‒ → Detach cover -1- on right of engine compartment.

• ‒ → Remove air hose -arrows-.

• ‒ → Take connectors -1 ... 4- out of holder on right of bulkhead.
• ‒ Unplug connector -2-.
• ‒ Lay bare lambda probe wiring.

• ‒ → Use special tool 3337 to screw out lambda probe -arrow-.

Note:

Illustration shows engine removed.

Installing

Install in reverse order, paying attention to the following:

Notes:

• ◆ Thread of new lambda probe is coated with assembly paste which must not be allowed to ingress into openings in probe.
• ◆ Re-attach all cable ties at same location on installation.
• ◆ Secure all hose connections with standard hose clamps.

=> Parts List

Tightening torque

    1)    If a lambda probe is to be re-used, grease thread only with hot bolt paste. This must not be allowed to ingress into openings in probe. Hot bolt paste

=> Parts List