Driveshaft (A4, Cabrio, A6)

Driveshaft (A4, Cabrio, A6)

Special tools, testers and auxiliary items required





^ Assembly tool 3139





^ Pry lever 80 - 200





^ Engine/transmission jack V.A.G 1383 A with universal transmission support V.A.G 1359/2

Driveshaft (Audi A4 and Cabriolet, Audi A6), removing

^ The driveshaft should only be worked on a two column lift.

Audi A4, Audi Cabriolet:





- Remove rear part of exhaust system from clamping sleeves - arrows -.





- Pry off mountings - A - for heat shield above intermediate bearing.
- Remove mounting bolts for intermediate bearing - B -. When doing this, support driveshaft by hand.
- Remove heat shield while supporting driveshaft.
- Install mounting bolts for intermediate bearing by hand.

Audi A6:





- If present, remove rear transverse beam - 1 -.
- Remove heat shield - 3 - from vehicle floor - arrows -.

Continuation for all vehicles:





- If present, remove mounting bolts for front exhaust pipes - 1 - and - 2 -.





- Remove shielding plate - A - from transmission - arrows -.
- Check whether there is a marking (colored marking) on driveshaft and at flange/driveshaft at rear final drive.





- If this marking is not present, then mark in color the position of driveshaft flange - arrow A - to rear final drive - arrow B -.





- Attach Alignment Fixture - 4W Dr. Shaft 3139 and tighten plastic nuts.

Note:
^ Never set alignment fixture on balance plates.





- Remove mounting bolts - arrows - for intermediate bearing.





- Loosen securing bolts of front driveshaft - arrows -.
- Remove driveshaft from transmission and support it using engine/transmission jack V.A.G 1383 A.





- Remove mounting bolts - arrows - on rear CV joint and remove driveshaft.

Note:
^ Only store and move driveshaft fully extended.

Installing driveshaft - Audi A4 and Cabriolet, Audi A6

Installation is in reverse order of removal. Note the following:

^ Remove old and dry high-temperature grease from CV joints and flanges for driveshaft. Fill the exact same amount of new grease G 000 633.
^ Always remove any remaining locking fluid from thread bores in drive flanges for transmission driveshaft and for rear final drive. Cleaning can be performed with a tap. Otherwise, the securing bolts can shear while installing.
^ After disconnecting driveshaft from rear final drive, an additional balance washer (thick washer) that may be located between shim and a mounting bolt may not be reinstalled.
^ Always replace (self-locking) securing bolts for driveshaft.
^ Note installation position of driveshaft: Center CV joint is located behind intermediate bearing in direction facing the rear final drive.





^ Make sure that the markings on flange for driveshaft - arrow A - and for transmission/rear final drive - arrow B - line up.
^ If a new driveshaft is installed and the factory marking on the rear final drive flange is no longer visible, check radial run out at flange/driveshaft and adjust color marking at new driveshaft to new marking at flange/driveshaft.

- Replace seals for driveshaft at transmission/rear final drive flange. Remove grease from sealing surfaces and adhere new seals.
- Insert driveshaft and install with new bolts for CV joint.





- Install mounting bolts - arrows - far enough that intermediate bearing can still be moved.





- Tighten bolts - arrows - of driveshaft at rear final drive to tightening torque.





- Tighten bolts - arrows - of front driveshaft to tightening torque.
- Remove alignment fixture 3139.





Audi A4, Audi Cabriolet:

- Remove mounting bolts - arrows -. When doing this, driveshaft must be supported by a second technician.





- Insert heat shield - 2 -. Continue to support driveshaft while doing this.
- Install mounting bolts - 4 - on left and right a few more turns.
- Secure heat shield - 2 - on left and right with a bolt - 1 - (M8x30) on intermediate bearing - 3 -.

Note:
^ When tightening the combination bolt - 4 -, make sure that centering element - arrow A - is located in the locating hole - arrow B -.





- Tighten bolts - 2 - of intermediate bearing for driveshaft on to body free of tension. Torque
- Remove bolts - 1 -.
- Remove mounting bolts for intermediate bearing - B -. When doing this, support driveshaft by hand.
- Insert mounting clips for heat shield.

Audi A6:





- Tighten bolts of intermediate bearing for driveshaft on to body tightening torque. While doing this, centering elements of intermediate bearing must be located in the locating holes - arrows -.

Continuation for all vehicles:





- Tighten bolts of shielding plate - A - on to transmission - arrows -.





- If present, tighten bolts of front exhaust pipes - 1 - and - 2 -.





- If present, tighten bolts of heat shield - 3 - on to vehicle floor - arrows -.
- Install rear part of exhaust system - 2 -.

Tightening torques