Final Drive Removing And INSTALLIN G 0BC, AUDI A4, A5, A6, A7, And Q5 (Except Q5 Hybrid): Installing

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

Tightening specifications. Refer to OVERVIEW - FINAL DRIVE 0BC, 0BD .

-- With a second technician, position the rear final drive -1- on the subframe -2- in its installed position.

Fig 1: Mount Rear Final Drive On Subframe

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-- Insert the left drive axle -3- into the final drive flange shaft.

-- The second technician must now push the rear final drive -1- toward the left side of the vehicle in direction of -arrow-.

-- Then install the right drive axle -5- into the final drive flange shaft -4-.

-- Remove the Engine and Gearbox Jack VAS6931 with the Engine/Gearbox Jack Adapter - Wheel Hub Support T10149 from the left rear suspension.

-- Position the Engine and Gearbox Jack VAS6931 and the Universal Transmission Support VAG1359/2 and a block of wood (approximately 80 mm tall) under the rear final drive -A-.

Fig 2: Placing VAG 1383 A With VAG 1359/2 And A Block Of Wood

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-- Move the final drive -A- forward slightly.

-- Turn the upper crossmember -B- opposite the direction of -arrow 1- to the left and insert it while guiding it past the final drive -arrow 2-.

-- Tighten the bolts connecting the crossmember -B- to the rear final drive diagonally. Tightening specification, refer to -item 4- Bolt (See Figure).

Fig 3: Guiding T40154 Through Holes In Subframe -A-

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-- Guide the Socket - Xzn 12 T40154 through the holes in the subframe -A-. Move the final drive to the left or right just a little, if necessary.

-- First tighten the bolt -2 and 4- hand-tight.

Fig 4: Removing Left And Right Driveshaft

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NOTE:

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

-- Tighten the bolt -4-. Tightening specification, refer to -item 3- Bolt (See Figure).

-- Tighten the bolts -2-. Tightening specification, refer to -item 2- Bolt (See Figure).

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

-- Tighten the left -1- and right -3- drive axles. Refer to DRIVE AXLE, REMOVING AND INSTALLING .

-- Attach the left driveshaft heat shield -A- to the crossmember/rear final drive -arrows-. Refer to -item 6- Bolt (See Figure).

Fig 5: Removing Left Driveshaft Head Shield

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-- Attach the driveshaft to the rear final drive. Refer to INSTALLING .

Fig 6: Identifying Driveshaft Intermediate Bearing Mounting Bolts

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-- Attach the driveshaft intermediate bearing to the body free of tension. Tightening specification. Refer to -item 8- Bolt (See Figure).

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

-- Attach the heat shield -3- to the body -arrows-.

Fig 7: Attaching Heat Shield -3- To Body -Arrows-

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

-- If equipped, install the cross member -1-. Refer to OVERVIEW - TUNNEL BRACE .

-- Install the left rear wheel and tighten. Refer to 44 WHEELS, TIRES, WHEEL ALIGNMENT for tightening specifications .