Q5 Quattro V6-3.2L (CALB) (2009)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor 2 G108
Heated Oxygen Sensor 2 G108
Special tools, testers and auxiliary items required
‹› Ring spanner 7-piece set for oxygen sensor (3337 )
Removing
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Pull rear engine cover off - arrows -.
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Remove coolant reservoir - arrows -.
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Disconnect electrical connector to the engine coolant level warning switch (F66) on the bottom of the coolant reservoir and lay the reservoir aside
with the coolant hoses - 1 and 2 - and - 3 - attached.
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Disconnect electrical connector - 2 - for the heated oxygen sensor (HO2S) 2 (G108).