All Wheel Drive Clutch Valve -N445- OR All Wheel Drive Clutch Valve 2 -N446-, REMOVING AND INSTALLING: Installing

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Courtesy of AUDI OF AMERICA, LLC

The ball -5-, the guide -4- (the smaller diameter faces the spring) and the spring -3- must be installed in the housing opening -6- for the Clutch Valve -- -2-.

-- Coat the O-rings with ATF and install the new Clutch Valve -- with the new O-rings -arrows-.

-- Tighten the bolts -1- evenly until stop by hand. Then tighten to the tightening specification -item 13- HYDRAULIC CONTROL UNIT, DISASSEMBLING AND ASSEMBLING.

Further installation is performed in the reverse order of the removal. Note the following.

NOTE:

Allocation for the Oil Pressure/Temperature Sensor -- and Clutch Valves -- connectors:

Courtesy of AUDI OF AMERICA, LLC

-1- = Oil Pressure/Temperature Sensor 2 -G640- Connector

-2- = Oil Pressure/Temperature Sensor -G437- Connector

-3- = All Wheel Drive Clutch Valve 2 -N446- Connector

-4- = All Wheel Drive Clutch Valve -N445- Connector

-- Attach the wiring harness bracket to the rear final drive. Refer to Installing .

-- 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 CEUC, CRDB, CTGE, CWUB, CWUC EXHAUST PIPES/MUFFLERS CLAB, CLAA, CDUC, CGQB, CKVB, CKVC, CDUD, CPNB, CTCB, CTCC, CVUA, CVUB EXHAUST PIPES/MUFFLERS CREC, CRED, CREH EXHAUST PIPES/MUFFLERS CGXB, CTUA .