Audi Q7 Owners & Service Manuals

Audi Q7: Boot, Replacing

Special tools and workshop equipment required

  • Flanging Tool -T40261-
  • Hose Clamp -23 to 35 mm Diameter-

  Caution

This procedure contains mandatory replaceable parts. Refer to component overview prior to starting procedure.

Mandatory Replacement Parts

  • O-ring - Driveshaft joint

Procedure

- Remove the driveshaft. Refer to → Chapter "Driveshaft, Removing and Installing".

- Clamp the driveshaft with the -T40261/1- into the vise, as shown.

A39-10541

- Carefully loosen the metal sleeve flanging -1- from the driveshaft joint at one place with a screwdriver.

  • The surface on the driveshaft joint must not be damaged.

A39-10542

- Open the rest of the metal sleeve flanging in direction of -arrow- with a side cutter.

- Remove the old boot with the metal sleeve from the driveshaft joint.

A39-10468

- Break the support ring with the water pump pliers in direction of -arrows- and remove the boot with the metal sleeve.

  • The inside of the joint and the balls remain in the driveshaft joint.

- Wipe away any excess grease.

- Grease the driveshaft joint with grease from the installation kit.

  • Fill with the same amount of grease, that has been clean off plus the amount that remains in the old boot.

A39-10546

- Clean the sealing surface -arrow- on the driveshaft joint -2-.

- If there are scratches left behind after removing the old boot, smooth them out.

- Insert a new O-ring -1- in the groove.

A39-10543

- Install the support ring -2- in the boot opening -1-.

  • Direction of installation: the depression -arrow A- is slid into the boot.
  • The guides for the support ring -arrow B- must be visible on the edge of the boot opening.

A39-10467

- Fold the boot -2- inward inside the metal sleeve -1-.

- Slide the hose clamp -arrow- onto the open guides for the support ring -3- as shown.

  • The end of the support ring must be freed up.

A39-10544

- Tighten the hose clamp -2- until the support ring guides -1- are able to be inserted into the groove -3- of the inside of the joint.

- Loosen the hose clamp -2- and remove.

  • The support ring guides must catch on the inside of the groove -arrow-.

- Slide the metal sleeve for the boot all the way onto the joint.

A39-10545

- Attach the -T40261- to the metal sleeve so that the guide roller stops -arrow- are touching the edge of the metal sleeve.

- Flange the metal sleeve by turning the -T40261- back and forth.

  • The turning angle must be at least 90º when turning it back and forth.
  • While turning it back and forth, turn the hand wheel for the -T40261-.
  • The flanging is finished when the hand wheel for the -T40261- can only be turned if a lot of force is used.

A39-10465

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