Oil Pressure/Temperature Sensor -G437- OR Oil Pressure/Temperature Sensor 2 -G640-, REMOVING AND INSTALLING: Installing

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Fig 1: Oil Pressure Temperature Sensors

Courtesy of AUDI OF AMERICA, LLC

-- Install the new Sensor -- with a new O-ring -arrow- and tighten to the tightening specification. Refer to -item 9- Oil Pressure/Temperature Sensor -G437-, or refer to -item 10- Oil Pressure/Temperature Sensor 2 -G640- (See Figure).

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

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

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

Fig 2: Identifying Oil Pressure/Temperature Sensor Connectors

Courtesy of AUDI OF AMERICA, LLC

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 (See Figure).

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

-- On the Vehicle Diagnostic Tester select the function 22 - Control Module, Replacing under Guided Functions in the directory 22 - Adapt Sensor .

Follow the instructions given by the Vehicle Diagnostic Tester exactly.

"Adapt" the new sensor to the All Wheel Drive Control Module -J492- with the Vehicle Diagnostic Tester.

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 with ATF in the rear final drive. Refer to ATF ON REAR FINAL DRIVE 0BF AND 0BE, FILLING .

-- Attach the rear section of the exhaust system to the body and align it so that it is free of tension. Refer to EXHAUST PIPES/MUFFLERS for engine code CALA, EXHAUST PIPES/MUFFLERS for engine codes CCBA, CGXC, CTUB, or EXHAUST PIPES/MUFFLERS for engine codes CAED, CAEB, CPMB, CPMA .