Volkswagen Golf / Golf GTI / Jetta. Manual — part 520

- Turn cage until two rectangular windows - arrow - are
aligned with joint housing.

- Lift out cage together with hub.

- Pivot segment of hub into rectangular cage opening.

- Tilt hub out of cage.

Note:

n

The 6 balls of each joint belong to one tolerance
group. Check stub axle, hub, cage and balls for small
indentations (pitting) and signs of seizure. Excessive
backlash in joint will be noticed as a knock during load
changes, in such cases the joint must be replaced.
Polished areas and ball track marks are not a reason
for changing joint.

Installing

- Press half of the total amount of grease 40 grams (1.4 oz.)
into the joint body.

- Install cage with hub in the joint housing.

- Press in the balls one after another from opposite sides
whereby the original position of the hub to cage and joint

Front drive axle, servicing

housing must be restored.

- Install new circlip in hub.

- Distribute remaining grease in constant velocity joint boot.

Inner constant velocity joint, checking

When checking the balls and ball tracks for wear and
damage the joint should be disassembled to replace dirty
grease.

Removing

- Swivel ball hub and ball cage.

- Press out ball joint housing in direction of arrow.

- Press balls out of cage.

Note:

n

The ball hub and joint are paired. Must not be
interchanged.

- Tilt ball hub out of ball cage over ball track - arrow - .

- Check joint housing, ball hub, ball cage and balls for

Front drive axle, servicing

indentations (pitting) and signs of seizure.

Note:

n

Excessive backlash in joint will be noticed as a knock
during load changes. In such cases the joint must be
replaced. Polished areas and ball track marks are not
a reason for replacing joint.

Installing

- Insert ball hub over both chamfers into ball cage. The hub
can be installed in any position. Press balls into cage.

- Insert hub with cage and balls at right angle to the joint.

n

When inserting make sure that the wide space - a - on
joint housing is aligned with narrow space - b - on hub
after swivelling in.

n

Chamfer on inner diameter of ball hub (splines) must
face larger diameter of joint housing.

Front drive axle, servicing

- Install ball hub, whereby the hub must be swivelled out of
cage - arrows - far enough to allow the balls to fit into ball
tracks.

- Press cage firmly - arrow - until hub swings fully in
position.

Check operation of constant velocity joint:

The CV joint is correctly assembled when the ball hub can
be moved by hand backward and forward over its entire
axial movement range.

II - Front axle shaft with constant velocity
joint VL 3700, servicing

Front drive axle, servicing