39821900 Removing and Installing Sealing Ring For Cardan Flange (Rear Final Drive)

WM 398219 Removing and installing sealing ring for cardan flange (rear final drive)

Tools









Technical values






Preliminary work for sealing ring for cardan flange

1. Remove rear cardan shaft. -> 390119 Removing and installing rear final drive - section on "Removing" 390119 Removing and installing rear final drive

Removing sealing ring for cardan flange





Overview of cardan flange sealing ring

1. Mark position of nut on drive flange -arrow- at shaft.





Marking of nut on drive flange

2. Check rolling moment of rear final drive with special tool torque screwdriver for measuring friction moment NR.89 -picture- and note value.





Checking rolling moment

Information

- A second fitter is required for loosening/tightening the flange

3. Unscrew nut on drive flange. To do this, block flange with special tool arm bracket 3435.





Loosening nut on drive flange

4. Remove drive flange with special tool shop made tool 00000 and striker VW 771/1.





Removing drive flange

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





Removing sealing ring

Installing sealing ring for cardan flange





Overview of cardan flange sealing ring

1. Drive in sealing ring with special tool pressure piece T10182 -picture- until special tool touches transmission housing.





Installing sealing ring

2. Push in flange and screw in nut.

Information

- A second fitter is required for loosening/tightening the flange

3. Position marking on nut and drive shaft -arrow- again so that the rolling moment determined prior to removal is reached once again.





Marking nut on drive flange

Information

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

4. Check rolling moment with special tool torque screwdriver for measuring friction moment NR.89. => Rolling moment: 2.0 ftlb.-0.2 ftlb.+0.2 ftlb.





Checking rolling moment

Subsequent work for sealing ring for cardan flange

Touching up sealing ring for cardan flange

1. Install rear cardan shaft. -> 390119 Removing and installing rear final drive - section on "Installing" 390119 Removing and installing rear final drive
2. Check the oil in the final drive. -> 399035 Inspecting and adding oil for rear final drive - section on "Checking" 399035 Checking and topping up oil for rear final drive