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".
READ NEXT:
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:
Instrument cluster overview
Fig. 2 Instrument cluster overview (Audi virtual cockpit)
Fig. 3 Instrument cluster overview (analog)
Depending on the vehicle equipment, the following items may appear in the
instrument cluster:
Left dial
Tachometer
Tab area
Central area
Status line (one or two lines)
Right dial
Co
Engine Control Module
Overview - Engine Control Module
1 - Bolt
9 Nm
2 - Mount
For the Engine Control Module -J623-
3 - Engine Control Module -J623-
Before replacing perform the "01 - mechanical engine, functions"
listed adaptation using the Vehicle Diagnostic Tester.
Removing and
