Audi Q5 Owners & Service Manuals

Audi Q5: Oil Pressure/Temperature Sensor -G437- or Oil Pressure/Temperature Sensor 2 -G640-, Removing and Installing

Audi Q5 Type 8R (2008 - 2017) Service Manual / Transmission / Real Final Drive, Differential / Final Drive, Disassembling and Assembling / Oil Pressure/Temperature Sensor -G437- or Oil Pressure/Temperature Sensor 2 -G640-, Removing and Installing

Oil Pressure/Temperature Sensor -G437- or Oil Pressure/Temperature Sensor 2 -G640-, Removing and Installing, 0BE, 0BF

Special tools and workshop equipment required

  • Socket - 27mm -T40218-
  • Vehicle Diagnostic Tester

Important Safety Precautions

  Caution

  • The identity of the sensor in the All Wheel Drive Control Module -J492- must be adapted using the Vehicle Diagnostic Tester after replacing the Oil Pressure/Temperature Sensor -G437- or the Oil Pressure/Temperature Sensor 2 -G640-.
  • Do not replace both the Oil Pressure/Temperature Sensor -G437- and Oil Pressure/Temperature Sensor 2 -G640- at the same time because a valid sensor identity is needed for the rear final drive classification to the All Wheel Drive Control Module -J492-. If the both sensors are replaced at the same time, the All Wheel Drive Control Module -J492- will interpret this as the rear final drive is being replaced. By doing this, adaptation values in the control module will be erased and the performance of the rear final drive will be impaired.
  • If both the Oil Pressure/Temperature Sensor -G437- and the -G640- must be replaced due to mechanical damage, for example, if the connector housing gets damaged, then this must be performed in two steps. After replacing the first sensor, the identity of the must be adapted in the All Wheel Drive Control Module -J492- using the Vehicle Diagnostic Tester. Do the same for the second sensor.
  • If both the Oil Pressure/Temperature Sensor -G437- and Oil Pressure/Temperature Sensor 2 -G640- must be replaced at the same time due to an electrical fault, then the clutch classification must be entered into the All Wheel Drive Control Module -J492- using the Vehicle Diagnostic Tester → Vehicle diagnostic tester. Also, the ATF in the rear final drive must be replaced. Refer to → Chapter "ATF, Draining and Filling".

  Note

  • Pay attention to the general repair information. Refer to → Chapter "Repair Information".
  • Pay attention to the safety precautions. Refer to → Chapter "Safety Precautions".

Removing

  • The ignition is off.

- Place the vehicle on a lift.

- 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.

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

  Note

Disconnect connectors -3- and -4- if necessary.

- Place the Drip Tray under the rear final drive.

Audi Q5. A39-10365

- Remove the Sensor with the Socket Wrench -T40218-.

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

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

Audi Q5. A39-10372

Installing

- Install the new Sensor with a new o-ring -arrow- and tighten to the tightening specification -9- or -10-.

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

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

Audi Q5. A39-10372

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

  Note

Connect connectors -3- and -4- if they were disconnected earlier.

- Attach the wiring harness bracket to the rear final drive if it was removed earlier.

- Connect the Vehicle Diagnostic Tester and turn on the ignition.

- Select the function 22 - Rear Final Drive Replacing in the Vehicle Diagnostic Tester under Guided Functions in the directory 22- Sensor Programing.

  • Follow all the instructions given by the Vehicle Diagnostic Tester exactly.

The new sensor is "adapted" on the All Wheel Drive Control Module -J492- with the Vehicle Diagnostic Tester.

Audi Q5. A39-10365

  Note

A system check will take place when the 22 - Sensor Programing function is complete. If malfunctions appear, then use "Guided Fault Finding" to correct them.

- Fill the ATF in the rear final drive. Refer to → Chapter "ATF, Filling, 0BE, 0BF".

- Install the rear section of the exhaust system on the body and align it so it is free of tension. Refer to → Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Muffler.

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