Examination
Safety instructions
There is a risk of accident when lifting the vehicle! Please read the section beforehand "Lifting a car".
Raise the front of the car onto jack stands.
While observing the ball joint, press the transverse arm up and down strongly.
While observing the ball joint, press the wheel at the bottom strongly outward and inward.
In both checks, no play should be felt or observed in the ball joint. Pay attention to any play in the wheel hub bearing and in the shock absorber thrust bearing.
Check the protective rubber cover for damage; if damaged, replace the ball joint.
The original can be seen on the portal VWMANUAL
Removal
Attention: When the universal joint tail nut is loosened, the vehicle cannot be placed on its wheels with its full weight, since the lack of axial pressure will damage the hub bearing.
Loosen the nut securing the cardan joint tailpiece, see chapter "Removal and installation the shock absorber strut".
Mark the mounting position of the ball joint mounting bolts relative to the wishbone and unscrew the bolts, see chapter "Removal and installation the shock absorber strut".
Tilt the shock absorber outward and support it, for example, with a wooden block "1". At the same time, pull the cardan shaft out of the wheel hub.
Note: If the propeller shaft cannot be removed from the wheel hub, press it out using a puller, see chapter "Removal and installation the propeller shaft".
Tie the cardan shaft to the body with binding wire. The cardan shaft should not sag downwards.
Place a suitable jack under the steering knuckle.
Press out the ball joint using a puller.
Note: To protect the threads when pressing out, only loosen the ball joint fastening nut a few turns.
Installation
Caution: Pay attention to the installation position of the ball joint. If installed incorrectly, the angle of the wheel pivot axis changes.
Mounting position: L - left hinge; R — right hinge; 3 - chassis joint with a wheel rim diameter of 13 inches; 4 - chassis joint with a wheel rim diameter of 14 inches.
Insert the ball joint into the steering knuckle and screw on a new self-locking nut. Tighten the nut to a torque of 20 Nm, then turn it further in the tightening direction by 90°.
Insert the driveshaft end into the wheel hub.
Bolt the ball joint to the wishbone. Use new mounting bolts, see chapter "Removal and installation the shock absorber strut".
Keeping the tire in the same direction of rotation, tighten the wheel with bolts and lower the vehicle. Tighten the wheel bolts crosswise to 120 Nm.
Screw a new nut onto the driveshaft end and tighten it to the specified torque, see chapter "Removal and installation the propeller shaft".
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