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Home >> Audi >> 2018 >> RS 7 Performance >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Differential System (General & Service Information - Rear Final Drive 0B5A, 0BKA Sport Differential) >> Final Drive, Differential >> Rear Final Drive, Removing And Installing >> Rear Final Drive, Removing And Installing, AUDI A4, A5 Coup E /SPORTBACK/Cabriolet, A6, A7 >> Installing

Rear Final Drive, Removing And Installing, AUDI A4, A5 Coup E /SPORTBACK/Cabriolet, A6, A7: Installing

Install in reverse order of removal. Pay attention to the following: 

WARNING:

Malfunctions on the rear final drive.

If the rear final drive was replaced, additional work is necessary. Refer to REAR FINAL DRIVE, ADDITIONAL WORK AFTER REPLACING .

-- Carefully raise the rear final drive using the Engine and Gearbox Jack :VAS9631  and, with a second technician, position it on the subframe in its installed position.

GWWA39-10363Courtesy of AUDI OF AMERICA, LLC

-A- = rubber or hard foam mat

CAUTION:

The rubber or hard foam mat is needed to protect the Clutch Valves -- on the rear final drive from getting damaged.

Use a Tensioning Strap :T10038  to secure the rear final drive from falling.

-- Install the right drive axle into the final drive flange shaft.

-- A second technician must now push the rear final drive in direction of -arrow- toward the right side of the vehicle.

GWWA39-10364Courtesy of AUDI OF AMERICA, LLC

-- Install the left drive axle -1- into the final drive flange shaft -2-.

-- Install the bolts -2- that connect the rear final drive to the subframe hand-tight.

GWWA39-10361Courtesy of AUDI OF AMERICA, LLC
NOTE:

For better illustration the Engine and Gearbox Jack :VAS6931  with the Universal Transmission Support :VAG1359/2  are not shown.

-- Tighten the bolt -4- to the tightening specification -item 3-  OVERVIEW - REAR FINAL DRIVE, AUDI A4, A5 COUP E /SPORTBACK/CABRIOLET, A6, A7 and then the bolts -2- to the tightening specification -item 2-  OVERVIEW - REAR FINAL DRIVE, AUDI A4, A5 COUP E /SPORTBACK/CABRIOLET, A6, A7.

-- Remove the Engine and Gearbox Jack :VAS6931  from under the final drive.

-- Attach the left -1- and right -3- drive axles. Refer to DRIVE AXLE .

Attach the subframe -1- to the body in the rear as follows:

GWWA39-10362Courtesy of AUDI OF AMERICA, LLC

-- First turn the Control Arm Bearing Installer - Nut :3346/3  clockwise until the subframe touches the body. While doing this, counterhold the Bearing Installer - Control Arm :3346  .

-- Then install the left rear bolt that connects the subframe to the body and tighten it to the tightening specification. Refer to SUBFRAME .

-- Remove the Bearing Installer - Control Arm :3346  and install the right rear bolt that attaches the subframe to the body and tighten it to the tightening specification. Refer to SUBFRAME .

-- Attach the left drive axle heat shield -A- to the rear final drive -arrows- -item 5-  OVERVIEW - REAR FINAL DRIVE, AUDI A4, A5 COUP E /SPORTBACK/CABRIOLET, A6, A7.

GWWA39-10359Courtesy of AUDI OF AMERICA, LLC

-- Install the wiring harness -3- to the final drive and subframe -5 through 7-.

GWWA39-10360Courtesy of AUDI OF AMERICA, LLC

-- Connect the connectors -4 and 2-. Pay attention to the marks made during the removal, that identify the allocation to the Oil Pressure/Temperature Sensor -- and which connectors go to the Clutch Valves --.

CAUTION:

Risk of damaging the wiring harness.

  • Make sure the wiring harness -3- does not get pinched when installing the bracket -1- to the rear final drive.

-- Position the bracket -1- on the final drive and tighten the bolts -arrows- to the tightening specification. Refer to REAR FINAL DRIVE, ADDITIONAL WORK AFTER REPLACING .

NOTE:

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

GWWA39-10365Courtesy 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

-- Install the driveshaft. Align the markings and follow the tightening sequence. Refer to DRIVESHAFT, REMOVING AND INSTALLING FROM REAR FINAL DRIVE  .

-- Check the gear oil in rear final drive. Refer to GEAR OIL LEVEL IN REAR FINAL DRIVE 0BF AND 0BE, CHECKING .

-- Check the ATF inside the rear final drive. Refer to ATF LEVEL IN REAR FINAL DRIVE 0BF AND 0BE, CHECKING .

-- Install the rear section of the exhaust system and align it so it is free of tension. Refer to EXHAUST PIPES/MUFFLERS CEUC, CRDB, CTGE, CWUB, CWUCEXHAUST PIPES/MUFFLERS CLAB, CLAA, CDUC, CGQB, CKVB, CKVC, CDUD, CPNB, CTCB, CTCC, CVUA, CVUBEXHAUST PIPES/MUFFLERS CREC, CRED, CREHEXHAUST PIPES/MUFFLERS CGXB, CTUA .

-- If equipped, remove the rear crossmember. Refer to SUBFRAME .

-- Install the rear wheels and tighten. Refer to WHEEL BOLT TIGHTENING SPECIFICATIONS .