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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Drivelines & Axles >> Axle Shafts >> Final Drive, Differential Rear Final Drive >> 39 Final Drive, Differential >> Final Drive >> HYDRAULIC CONTROL UNIT, 0D3 "quattro sport" AND 0BX "quattro sport" >> Oil Pressure/Temperature Sensor -G437- OR Oil Pressure/Temperature Sensor 2 -G640-, REMOVING AND INSTALLING, 0D3 AND 0BX >> Removing

Oil Pressure/Temperature Sensor -G437- OR Oil Pressure/Temperature Sensor 2 -G640-, REMOVING AND INSTALLING, 0D3 AND 0BX: Removing

-- Place the vehicle on a hoist.

-- Lower the back section of the exhaust system just a little and secure it.

-- Remove the wiring harness bracket from the rear final drive, if necessary. Refer to Removing - If equipped, remove the screws -arrows- and remove the wiring harness bracket -1- from the rear final drive. .

-- Disconnect the connector -1- from the Oil Pressure/Temperature Sensor 2 -G640- and the connector -2- from the Oil Pressure/Temperature Sensor -G437-.

Fig 1: Identifying Oil Pressure/Temperature Sensor Connectors
GWWA39-10365Courtesy of AUDI OF AMERICA, LLC

-- Place the Drip Tray under the rear final drive.

-- Remove the Sensor -- with the Socket - 27mm: T40218  .

Fig 2: Oil Pressure Temperature Sensors
GWWA39-10372Courtesy of AUDI OF AMERICA, LLC

-A- = Oil Pressure/Temperature Sensor 2 -G640- - black connector

-B- = Oil Pressure/Temperature Sensor -G437- - brown connector