Outer CV Joint, Checking

Outer CV Joint, Checking

In order to replace grease in case of contamination or if the journal surface of the ball bearings must be checked for wear and damage, the outer Constant Velocity (CV) joint must be disassembled

Removing

- Mark the position of the ball hub to the ball cage and to the housing before disassembling, using a scribe or a grindstone.





- Swing the ball hub and ball cage.

- Remove the ball bearings in sequence.

- Turn the cage, until the two rectangular windows - arrow - contact the joint body.





- Lift out the cage with hub.

- Swing the segment of the hub into the rectangular window of the cage.





- Fold the hub out from the cage.

6 balls for each joint belong to a tolerance group. Check stub axle, hub, cage and balls for small depressions (pitting buildup) and chafing. Excessive circumferential backlash in joint makes itself noticed via tip in shock, in such cases joint should be replaced. Flattening and running marks of balls are no reason to replace joint.

Installing

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

- Insert the cage with hub into joint body.

- Press in opposing balls in sequence, during this, previous position of ball hub to ball cage and to joint body must be reestablished.

- Install the new circlip into the hub.

- Distribute remaining grease in the joint boot.