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.

- 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.

- 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.

- 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.

- 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.

- 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.

- 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.

- 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.

- 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.

READ NEXT:
Overview - Rear Final Drive
Rear Final Drive
1 - Driveshaft
Removing and installing. Refer to
→ Chapter "Driveshaft, Removing and Installing".
Removing and installing on the rear
Rear Final Drive 0D2, Removing and installing. Audi Q7
Special tools and workshop equipment
required
-VAS6931-
Caution
This procedure contains mandatory replaceable parts.
Refer to compo
SEE MORE:
Safety Precautions
Check for Technical Bulletins that may supersede any
information included in this manual.
WARNING
Failure to follow these instructions may result in
personal injury or possible death.
Check the Technical Bulletins for information,
cautions and warnings that may superse
Tire Pressure Monitoring with Pressure Sensor
WARNING
If tire sealant was used, then the wheel electronics
on that particular wheel must be replaced.
The wheel electronics, that is, the system pressure sensor,
forms a physical unit with the valve.
Note
The lettering on the wheel e