Rear Final Drive, Removing And Installing, AUDI A4, A5 Coup E /SPORTBACK/Cabriolet, A6, A7: Removing
-- Place the vehicle on a lift.
-- Remove the wheel hubcap from the left rear wheel. On alloy wheels, remove the cap using the puller in the vehicle tool kit.
-- Remove the rear wheels.
Do not bend the flex joint in the front exhaust pipe more than 10° or it will be damaged.
-- Loosen the clamping sleeves -1 and 2- and disconnect the exhaust system.
-- Attach the front exhaust pipe on the underbody side.
-- Remove the rear crossbrace -1- if equipped. Refer to Exterior Equipment .
-- Remove the rear section of the exhaust system -2-. Refer to EXHAUST PIPES/MUFFLERS for engine code CALA, EXHAUST PIPES/MUFFLERS for engine codes CCBA, CGXC, CTUB, or EXHAUST PIPES/MUFFLERS for engine codes CAED, CAEB, CPMB, CPMA .
A second technician is needed to help remove the rear section of the exhaust system.
-- Remove the driveshaft. Refer to DRIVESHAFT BOLTED ON TRANSMISSION SIDE, REMOVING AND INSTALLING .
-- Remove the left drive axle heat shield -A- from the rear final drive -arrows-.
-- Remove the bolts -arrows- and remove the bracket -1- from the rear final drive.
Mark the connectors -2- for the Oil Pressure/Temperature Sensor -- and on the Clutch Valves --.
-- Disconnect the connectors -2- from the Oil Pressure/Temperature Sensor -- and the Clutch Valves --.
-- Disconnect the connector -4- from the All Wheel Drive Pump -V415-.
-- Unclip the wiring harness -3- from the final drive and the subframe and tie it up -5 through 7-.
-- Remove the left -1- and right -3- drive axles from the final drive.
-- Loosen the bolts -2- approximately three turns.
-- Remove the bolt -4-.
Lower the subframe -1- at the rear as follows:
-- Remove the right rear bolt that connects the subframe to the body.
-- Install the Bearing Installer - Control Arm 3346 with Control Arm Bearing Installer - Nut 3346/3 and Bearing from the Subframe Bushing Tool Kit 3301.
-- Then remove the left rear bolt that connects the subframe to the body.
-- Lower the subframe to dimension -a- = 40 mm. While doing so counterhold the Bearing Installer - Control Arm 3346 and turn the Control Arm Bearing Installer - Nut 3346/3 counter-clockwise.
-- Position the Engine and Gearbox Jack VAS6931 with the Universal Transmission Support VAG1359/2 and a corresponding rubber or hard foam mat -A- under the rear final drive.
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.
-- Remove the two rear bolts that connect the rear final drive to the subframe.
-- A second technician must help with the next steps in removing the final drive.
-- A second technician must now push the rear final drive in direction of -arrow- toward the right side of the vehicle.
-- Then guide the left drive axle -1- upward and out of the final drive flange shaft -2-.
-- Guide the right drive axle out and tilt the final drive toward the rear and downward.
-- Carefully lower the final drive together with a second technician. Pay attention to the subframe.
- Do not raise or lower the vehicle when the Engine and Gearbox Jack VAS6931 is underneath it.
- Do not leave the Engine and Gearbox Jack VAS9631 under the vehicle longer than necessary.