Outer Constant Velocity Joint, Checking

Outer constant velocity joint, checking
Joint must be disassembled to replace dirty grease or for checking the balls and ball tracks for wear and damage.

Removing





- Before disassembling mark ball hub position in relation to the ball cage and housing with an electric scriber or oil stone.
- Swivel ball hub and ball cage.
- Remove balls one after another.





- 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:
^ 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 bag track marks are not a reason for changing joint.

Installing
- Press half of the total amount of grease 40 grams (1.4 ounces) 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 housing must be restored.
- Install new circlip in hub.
- Distribute remaining grease in constant velocity joint boot.