Inner CV Joint, Checking

Inner CV Joint, Checking

Removing

• The joint must be disassembled to replace dirty grease or for checking the balls and ball tracks for wear and damage.

- Swing ball hub and ball cage.






- Press out ball joint housing in - direction of arrow -.

- Press balls out of cage.

• Ball hub and joint piece are paired. Do not interchange.

- Flip out ball hub from ball cage via running path of ball - arrows -.






- Check joint piece, ball hub, ball cage and balls for small broken off depressions (pitting build-up) and chafing.

• Excessive circumferential backlash in joint makes itself noticed via tip-in shock. Joint must be replaced in such cases. Flattening and running marks of balls are no reason to replace joint.

Installing

- Insert ball hub into ball cage via two chamfers. The installation position is at random. Press balls into cage.






• Ball hub has 2 different distances between ball tracks, a larger and a smaller.

- Insert hub with cage and balls upright into joint piece, a smaller space - b - must face toward open side of joint piece when doing this.






- Also note chamfer on inner diameter of ball hub, it must be visible after swiveling in.

- Swing in ball hub; to do so, swing out hub far enough out of cage - arrows - (as depicted in illustration).






- Swing in hub with balls by pressing forcefully onto cage - arrow -.






CV Joint, Checking for Function

CV joint is properly assembled, if ball hub can be slid back and forth by hand over whole compensation length.