audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Oxygen Sensor Before Catalytic Converter, Bank 1|Page 4354 > < Oxygen Sensor Before Catalytic Converter, Bank 1|Page 4352
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‹› Ignore - 1 -.

-

Remove the oxygen sensor - 1 - with the ( 3337).

‹› To improve clarity, the removed engine is shown.

Installing

Installation is in reverse order of removal, noting the following: 

‹› Replace O-ring.

‹› New oxygen sensors are coated with assembly paste; the paste must not get into slots of oxygen sensor body.

‹› When reinstalling the previously used oxygen sensor, coat thread with hot bolt paste. Paste must not get on slits of sensor body.

‹› During installation, all cable ties must be reinstalled at the same location.

‹› Electrical wire of oxygen sensor must always be secured in the same position when installing so that contact with the exhaust pipe is avoided. 

Tightening Specifications

Oxygen Sensor Before Catalytic Converter, Bank 1|Page 4354 > < Oxygen Sensor Before Catalytic Converter, Bank 1|Page 4352