Final Drive Removing And Installing OBD, AUDI A4, A5 And Q5: Removing
Follow the general repair information. Refer to REPAIR INFORMATION .
-- Place the vehicle on a lift.
Do not bend the flex joint in the front exhaust pipe more than 10° or it will be damaged.
-- Loosen the clamping sleeve(s) -arrows- and separate the exhaust system.
-- Tie the front exhaust pipe(s) to the underbody.
-- Remove the rear crossmember -1-, if applicable.
-- Remove the rear section of the exhaust system -2-. 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 .
A second technician is needed to help remove the rear section of the exhaust system.
Audi A4 and Audi A5
-- Remove the heat shield -3- -arrows-.
Continuation for All Vehicles
-- Check whether there is a color dot on the driveshaft and at flange/driveshaft on the rear final drive -arrow A and arrow B-
-- If one of these dots is no longer visible (for example -arrow A- on the driveshaft), then make a mark for the missing markings in color.
- The mark on the driveshaft -arrow A- and on the rear final drive -arrow B- are on one line.
-- Remove the bolts -1- (quantity: 6) from the rear CV joint.
-- Use the Counterhold - Kit - Multiple Use T10172 with Counterhold - Kit - Adapter 5 T10172/5.
Audi A4 and Audi A5
-- Attach the rear crossmember -C - to the vehicle body, if it was removed.
-- Place a block of wood -A- (approximately 40 mm high) on the rear crossmember -C- and support the driveshaft -B-.
The driveshaft -B- is supported under the intermediate bearing by the heat shield on the Audi Q5.
The driveshaft can be bent all the way to the center joint without force. Bending the joint forcibly all the way can damage the center joint and/or the protective boot.
Continuation for All Vehicles
-- Remove the driveshaft intermediate bearing mounting bolts -arrows-.
-- Push the driveshaft forward and at the same time remove it from the rear final drive.
-- Secure the driveshaft on the side to the subframe.
-- Remove the left drive axle heat shield -A- from the crossmember/rear final drive -arrows-.
-- Remove the left -1- and right -3- drive axles.
-- Loosen the bolts -2- approximately three turns.
-- Remove the bolt -4-.
-- Position the Engine and Gearbox Jack VAS6931 and the Universal Transmission Support VAG359/2 and a block of wood -A- (approximately 80 mm tall) under the rear final drive.
Pay attention that the Universal Transmission Support VAG359/2 does not make contact with the fuel tank.
-- Remove the bolts -1- (lower bolts attaching the crossmember to the rear final drive) and -2-.
-- Remove the two upper bolts that connect the crossmember -B- to the rear final drive.
-- 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.
-- Move the final drive -A- forward slightly.
-- Turn the lower crossmember -B- direction of -arrow 1- and guide the final drive -arrow 2- and remove it.
A second technician must help with the next steps.
-- The second technician must now lift the rear final drive -1- at the right side slightly and press it to the left in the direction of the -arrow-.
For better illustration the Engine and Gearbox Jack VAS6931 with the Universal Transmission Support VAG359/2 are not shown in the upper area "I".
-- Then guide the right drive axle -5- upward out of the right final drive flange shaft -4-.
-- Then guide the left drive axle -3- out.
-- Secure the rear final drive with the strap -B-.
A - Wooden block
-- Lower the rear final drive completely.