Inner CV Joint, Checking
Inner CV Joint, Checking
The joint must be disassembled to replace dirty grease or for checking the balls and ball tracks for wear and damage.
Disassembling
• Ball hub and joint are paired and should be identified before removal. Do not interchange cage allocation.
- Swing ball hub and ball cage.
- Press joint piece out in - direction of arrow -.
- Press balls out of cage.
- 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 backlash in joint will be noticed as a knock during load changes. Joint must be replaced in such cases. Flattening and running marks of balls are no reason to replace joint.
Assembling
- Insert ball hub into ball cage via two chamfers. The installation position is at random. Press balls into cage.
- Insert hub with cage and balls upright into joint piece.
• When inserting, make sure that in each case the wide gap - a - at joint piece contacts narrow gap - b - at hub after swinging in.
• Chamfer on inner diameter of wheel hub (splines) must face toward drive axle.
- Swing in ball hub, to do so swing out hub far enough from cage - arrows - so that the balls have the distance of the running paths.
- 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.
- Press grease into joint body.
Grease capacities and types, drive axle with 100 mm inner constant velocity joint, refer to => [ Grease Quantity and Type ] Drive Axle Assembly Overview, With 89 mm Diameter Outer CV Joint and 100 mm Diameter Inner CV Joint.
Grease capacities and types, drive axle with 107 mm inner constant velocity joint, refer to => [ Grease Quantity and Type ] Drive Axle Assembly Overview, With 94 mm Diameter Outer CV Joint and 107 mm Diameter Inner CV Joint.