audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Oxygen Sensor Before Catalytic Converter|Page 6281 > < Oxygen Sensor Before Catalytic Converter|Page 6279
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Disconnect vacuum hose to brake booster (arrows). 

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Remove heat shield for harness connectors at left of bulkhead, if installed. 

Oxygen Sensor Before Catalytic Converter|Page 6281 > < Oxygen Sensor Before Catalytic Converter|Page 6279