A8 Sedan V8-3.7L (AEW) (1997)
Transmission Speed Sensor: Service and Repair
Sensor, Removing and Installing
Removing
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Disconnect speedometer Vehicle Speed Sensor (VSS) -G22-.
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While pushing holding clip of sensor down, turn and pull out sensor.
Installing
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Replace both O-rings on sensor (arrow).
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Install speedometer VSS with special grease.
go to Parts supplier.
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Make sure holding clip is engaged.