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Home >> Audi >> 2006 >> A3 Base, Standard >> Repair and Diagnosis >> Transmission >> Manual Trans >> Final Drive, Differential - Rear Final Drive 02D, 0AV, 0BR, 0BS, 0BY >> 39 Final Drive, Differential >> Removal And Installation >> Rear Final Drive

Rear Final Drive

Special tools and workshop equipment required 

Removing 

-- Remove the spare wheel, if equipped.

-- Remove the spare wheel well or the foam inserts.

-- Remove the rubber plugs or the adhesive strips -arrows A- inside the luggage compartment floor.

Fig 1: Rubber Plugs Or Adhesive Strips In Luggage Compartment Floor
GWWA39-10175Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrow B-.

-- Disconnect the exhaust system from the clamping sleeves -1 and 2-.

Fig 2: Clamping Sleeves -1, 2-
GWWA26-10873Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Danger of causing damage to the decoupling element inside the primary catalytic converter.

  • Do not bend the decoupling element more than 10°.

-- Tie the catalytic converters to the underbody.

-- Remove the crossmember on the underbody -1- if present. To do this, remove the nuts -arrows-.

Fig 3: Crossmember On Underbody -1-
GWWA66-10254Courtesy of AUDI OF AMERICA, LLC

-- Remove the exhaust system rear section. Refer to [For engine(s) CBRA] Description and Operation or to [For engine(s) BPY] Description and Operation or to [For engine(s) CCTA, CBFA] Description and Operation or to Description and Operation .

-- Remove rear flexible disc. Refer to REAR FLEXIBLE DISC .

-- Tie driveshaft sideways onto underbody.

-- Remove bolts -1 and 3- and remove diagonal braces -2-.

Fig 4: Supporting Driveshaft With A Wooden Block At Tunnel Support
GWWA42-10150Courtesy of AUDI OF AMERICA, LLC

-- Remove the lower bolts on the stabilizer bar clamps -1-.

Fig 5: Lower Stabilizer Clamp Bolts
GWWA42-10148Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -2- and remove the crossmember -3-.

-- Remove the stabilizer bar -arrow-. Refer to "All Wheel Drive (AWD)" in Removal and Installation .

Fig 6: Identifying Stabilizer Bar
GWWA37-10003Courtesy of AUDI OF AMERICA, LLC

-- Remove left and right drive axles from rear final drive. Refer to "All Wheel Drive (AWD)" in Removal and Installation

-- Position and support the V.A.G 1383 A with the 1359/2 and a block of wood -A- under the rear final drive.

Fig 7: Engine/Transmission Jack V.A.G 1383 A With Universal Mount V.A.G 1359/2 And A Wood Block
GWWN39-10229Courtesy of AUDI OF AMERICA, LLC

-- Remove bolt -B-.

-- Remove the washer -C-.

-- Disconnect the connector -A- on the All Wheel Drive (AWD) control module -J492-.

Fig 8: Identifying Ventilation Lines At Final Drive And All-Wheel Drive Control Module J492 Connector
GWWN39-10225Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore -arrows-.

-- Remove both of the transmission bleeder hoses -arrows- from the subframe.

Fig 9: Disengaging Both Transmission Ventilation Hoses At Subframe
GWWA37-10005Courtesy of AUDI OF AMERICA, LLC

-- Push the rear final drive -1- as far as possible to the right -arrow A- and then upward -arrow B-.

Fig 10: Sliding Final Drive Right In Direction As Far As Possible
GWWA39-10165Courtesy of AUDI OF AMERICA, LLC

-- At the same time guide the left driveshaft -2- out of the flange shaft.

-- Lower the rear final drive slightly and remove it from the rear subframe carefully with the V.A.G 1383 A.

-- Lower rear final drive past the driveshaft.

-- Use the strap -B- to keep the rear final drive -1- from falling.

Fig 11: Final Drive Secured With Universal Support Strap
GWWN39-10226Courtesy of AUDI OF AMERICA, LLC

Installing 

NOTE:

Secure all hose connections with hose clamps of the same type as those equipped by the factory.

-- Make sure the left and right washers -C- are installed on the bonded rubber bushing.

-- Position the rear final drive under the vehicle supported by the block of wood -A- and the strap -B-.

-- Lift the rear final drive -1- while guiding the right drive axle -3- into the flange shaft.

Fig 12: Sliding Final Drive Right In Direction As Far As Possible
GWWA39-10165Courtesy of AUDI OF AMERICA, LLC

-- Move the rear final drive as far as possible to the right -arrow A- and then push it upward -arrow B-.

-- At the same time guide the left driveshaft -2- into the flange shaft.

-- Connect the connector -A-.

Fig 13: Identifying Ventilation Lines At Final Drive And All-Wheel Drive Control Module J492 Connector
GWWN39-10225Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore -arrows-.

-- Install both of the transmission bleeder hoses -arrows- on the subframe.

Fig 14: Disengaging Both Transmission Ventilation Hoses At Subframe
GWWA37-10005Courtesy of AUDI OF AMERICA, LLC

-- Place the washer -C- with the bevel -arrow- facing upward between the bonded rubber bushing and the subframe.

Fig 15: Engine/Transmission Jack V.A.G 1383 A With Universal Mount V.A.G 1359/2 And A Wood Block
GWWN39-10229Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolt -B- hand-tight.

-- Tighten the left and right upper bolt -arrow B-.

Fig 16: Rubber Plugs Or Adhesive Strips In Luggage Compartment Floor
GWWA39-10175Courtesy of AUDI OF AMERICA, LLC

-- Seal off both holes in the luggage compartment floor panel -arrows A-.

NOTE:

Seal the holes -arrows A- with plugs -7L0 899 182-.

-- Tighten the bolt -arrow-.

Fig 17: Identifying Screw From Front Final Drive Bracket
GWWA37-10008Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal paying attention to the following:

-- Install the exhaust system. Refer to [For engine(s) CBRA] Description and Operation or to [For engine(s) BPY] Description and Operation or to [For engine(s) CCTA, CBFA] Description and Operation or to Description and Operation .

-- Install the stabilizer bar. Refer to "All Wheel Drive (AWD)" in Removal and Installation .

-- TT Roadster: Install the crossmember and diagonal brace. Refer to "All Wheel Drive (AWD)" in Removal and Installation .

NOTE:

When replacing rear final drive, check the axle oil and Haldex clutch fluid and add, if necessary. Refer to REAR FINAL DRIVE IDENTIFICATION  and OIL LEVEL IN THE HALDEX CLUTCH, CHECKING .