Inner CV Joint, Checking: Installing: Notes

2012 Volkswagen Jetta TDI, 4D Sedan, Standard TransSECTION Notes
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-- Insert ball hub into ball cage via two chamfers. The installation position is at random. Press balls into cage.

Fig 1: Inserting Ball Hub Over Both Chamfers Into Ball Cage
GWWV40-0011Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

-- 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.

Fig 2: Identifying Wide Space On Joint Housing Aligned With Narrow Space On Hub
GWWV40-0012Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Chamfer on inner diameter of ball hub (splines) must face large diameter of joint piece.

-- Pay attention to the bevel on the inner diameter of the ball hub. It must be visible.

-- 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.

Fig 3: Ball Hub Installed With Hub Able To Be Swivelled Out Of Cage
GWWV40-0013Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

Fig 4: Identifying Cage Pressed Firmly Until Hub Is In Position
GWWV40-0014Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.