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Home >> Audi >> 2012 >> A6 2.0T >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Rear Final Drive 0BC, 0BD, 0BE & 0BF) >> 39 Final Drive, Differential >> Removal And Installation >> Final Drive >> Final Drive Removing And Installing 0BF >> Installing

Final Drive Removing And Installing 0BF: Installing

WARNING: This page is about a different variant/trim than selected.

Install in reverse order of removal. Note the following:

WARNING:

Faults on the rear final drive.

If the final drive was replaced, additional work is necessary. Refer to ADDITIONAL WORK AFTER REPLACING REAR FINAL DRIVE 0BE, 0BF .

-- Carefully raise the rear final drive using the Engine-Transmission JackV.A.G 1383 A and, with a second technician, position it on the subframe in its installed position.

Fig 1: Identifying V.A.G 1383/ V.A.G 1359/2
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 StrapT10038 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.

Fig 2: Identifying Left Drive Axle & Final Drive Flange Shaft
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.

Fig 3: Locating Rear Subframe Bolts
GWWA39-10361Courtesy of AUDI OF AMERICA, LLC
NOTE:

The illustration does not show the Engine-Transmission JackV.A.G 1383 A with the Universal Transmission SupportV.A.G 1359/2.

-- Tighten the bolt -4- to the tightening specification -item 3- in FINAL DRIVE 0BF OVERVIEW  and then the bolt -2- to the tightening specification -item 2- in FINAL DRIVE 0BF OVERVIEW .

-- Remove the Engine-Transmission JackV.A.G 1383 A under the rear final drive.

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

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

Fig 4: Identifying Right Rear Subframe Bolt
GWWA39-10362Courtesy of AUDI OF AMERICA, LLC

-- First turn the Nut3346/3 clockwise until the subframe touches the body. While doing this, counterhold the Support Arm Bearing Inst. Tool3346.

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

-- Then remove the Support Arm Bearing Inst. Tool3346 and fasten the right rear subframe bolt to the body and tighten to the tightening specification. Refer to SPECIFICATIONS .

-- Attach the left drive axle heat shield -A- to the rear final drive -arrows- -item 5- in FINAL DRIVE 0BF OVERVIEW .

Fig 5: Identifying Left Drive Axle Heat Shield
GWWA39-10359Courtesy of AUDI OF AMERICA, LLC

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

Fig 6: Identifying Rear Final Drive Wiring Harness Bracket
GWWA39-10360Courtesy of AUDI OF AMERICA, LLC

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

CAUTION:

Danger 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 Tightening Specification .

NOTE:

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

Fig 7: Identifying Oil Pressure/Temperature Sensor 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 Install Driveshaft on Rear Final Drive .

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

-- Check the ATF inside the rear final drive. Refer to ATF LEVEL, CHECKING, 0BE, 0BF .

-- Install the rear section of the exhaust system and align it so it is free of tension. Refer to 2.0L - EXHAUST SYSTEM & EMISSION CONTROLS - ENGINE CODE(S): CAEB & CAED or 3.0L - EXHAUST SYSTEM & EMISSION CONTROLS - ENGINE CODE: CPNB .

-- If equipped, install the rear cross member. Refer to UNDERBODY TRIM PANELS .

-- Install the rear wheels and tighten. Refer to WHEELS & TIRE - GENERAL INFORMATION .