Removing and Installing Sealing Ring For Cardan Flange (Four-Wheel Final Drive)

Removing and installing sealing ring for cardan flange (four-wheel final drive)








Tools

Removing sealing ring for cardanflange
1. Remove engine guard.
2. Remove front cardan shaft.





3. Mark nut on drive flange with coloured pen.





4. Determine rolling moment of axle transmission with special tool torque screwdriver for measuring friction moment 89 . Push stop on special tool to zero and turn transmission several times. Note the displayed value.
5. Unscrew nut on drive flange. To do this, use the special tool counterer 3435 to block the transmission.





6. Remove drive flange with special tool striker VW 771/1 and shop-made tool.





7. Remove sealing ring with special tool striker VW 771/1 and extraction tool VW 771/37.

Installing sealing ring for cardan flange





1. Drive in sealing ring with special tool pressure piece T10183 as far as the mounting face.
2. Push in drive flange and tighten nut.





3. Position marking on nut and input shaf again so that the rolling moment determined prior to removal is reached once again.
4. Check rolling moment with special tool torque screwdriver for measuring friction moment 89 .
Rolling moment: 2.0 - 2.4 Nm (1.5 - 2.0 ft. lbs.)

Note: If the rolling moment has to be corrected, this should be done via the tightening torque of the nut.

5. Install rear cardan shaft.
6. Install engine guard.