Audi A4: CV Joint, Servicing
Outer CV Joint, Removing
- Clamp the drive axle in a vise with protective covers.
- Open both clamps and remove the CV boot from the outer joint.
- Drive out the CV joint from the drive axle with a copper or brass mandrel -A- on the inner ring.
- Remove joint and CV boot.
Outer CV Joint, Installing
- The CV boot and the drive axle must be free of grease.
- Replace the circlip -1- after removing.
- Slide on the small clamp with the CV boot.
- Position the CV boot in the outer groove -arrow B-.
- Inner groove -arrow A- remains visible "identification groove" (for correct installation of CV boot).
- Add the specified quantity of grease to the inside of the joint.
- Before installing the joint, the splines -arrow A- must be lightly coated with grease used in the joint.
- Insert the circlip into the groove on the shaft.
- Slide on the CV joint up to the circlip.
- Align the circlip at center with opening upward -arrows-.
- Install the old drive axle screw in the joint.
- Drive joint onto the drive axle with a plastic mallet until the circlip engages.
- Add the specified quantity of the grease into the joint on the CV boot side.
- Slide the CV boot onto the joint.
- Bleed the CV boot.
- Make sure the CV boot is seated on the joint correctly.
- The CV boot must fit in the groove and on joint contour.
- Tension the clamps on the outer joint. Refer to → Chapter "Clamp on Triple Roller Joint and Outer Joint, Tensioning".
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Outer CV Joint, Checking
It is necessary to disassemble the joint whenever replacing
the grease or if the ball surfaces show wear or damage.
Disassembling
- Mark the position of the ball hub -2-
to ball cage -3- and to
Clamp on Triple Roller Joint and Outer Joint, Tensioning
Note
Depending on the version of the clamp, use the following
tools:
Special tools and workshop equipment required
Torque Wrench 1331 5-50Nm -VAG1331-
Clamping Pliers -VAG1682A-
Locking P
Special Tools
Special tools and workshop equipment required
Shock Absorber Set -T10001-
Tensioning Strap -T10038-
Tripod Joint Tool -T10065-
Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149-
SEE MORE:
All wheel drive (quattro)
Description
Applies to: vehicles with all wheel drive
The all-wheel drive system distributes the driving
power variably to the front and rear axle to improve
the driving characteristics. It works together
with selective wheel torque control, which can
activate when driving through curves.
Applies
Overview - Gear Set
Overview - Gear Set, FWD Vehicles
1 - Oil Pipe
2 - Bolt
3 Nm + 90º
Replacing
M6 × 30
3 - Gear Positioner with:
Transmission Input Speed Sensor 1 -G632-
Transmission Input Speed Sensor 2 -G612-
Gear Position Distance Sensor 1 -G487-
Gear Position Distance Se
