Left-Hand Flange Shaft Seal, Replacing

Left-hand flange shaft seal, replacing
- Observe general repair instructions.
Special tools and equipment
- VW401 Thrust plate





- VW402 Thrust plate
- VW407 Punch
- VW412 Thrust disc
- VW681 Extractor lever
- 32-109 Driving sleeve





- 2040 Press tube
- 3384 Assembly mandrel
- VAG1331 Torque wrench
- VAG1332 Torque wrench
- VAG1358A Oil extraction unit

Removing flange shaft (left side)
- Only loosen drive axle/wheel hub bolt and wheel bolts when vehicle is standing on its wheels.
- Remove front wheels.





- Remove left protective plate for drive axle -arrows-. The third bolt cannot be seen in picture.
- Remove left drive axle -1-.
- Place VAG1306 Drip tray underneath.





- Unscrew inspection plug -arrow- and extract at least 0.5 liter of gear oil from the front final drive using VAG1358A.
It is essential that the oil is extracted from the front final drive, as otherwise gear oil could become mixed with ATF.
- Remove speedometer sensor.
- Remove bracket for connector from flange shaft bearing bracket.





- Unbolt flange shaft bearing bracket -arrows-.
- Pull out flange shaft.
Removing oil seal





- Remove circlip -arrow A- for grooved ball bearing.





- Press flange shaft out of flange shaft bearing bracket.
- Pull out flange shaft oil seal with VW681 Extractor lever.

Removing grooved ball bearing





- Press grooved ball bearing out of bearing bracket.
Installing grooved ball bearing





- Press new grooved ball bearing into bearing bracket.

Installing oil seal
- Apply gear oil to circumference and sealing lips of seal.
- Half fill space between sealing lip and dust lip with grease G 052 128 A1.





- Drive new seal in until press piece makes contact; take care to keep seal straight.
Installation position:
Lugs on drive gear must engage in slots on flange shaft.





- Install speedometer drive gear onto flange shaft -arrow-.





- Press bearing bracket with grooved ball bearing onto flange shaft.





- Insert circlip -arrow A-.

Installing flange shaft (left side)





- Replace O-ring -arrow B- in flange shaft bearing bracket.





- Check that there are no sharp edges on transmission end of flange shaft -arrow-; deburr edges if necessary.
- Install flange shaft.





- Unbolt flanged shaft bearing bracket -arrows-.
- Install connector holder to flanged shaft bearing mount.
- Install speedometer sensor.





- Install drive axle -1-.
- With transmission installed, check gear oil in front final drive.
- Install left-hand drive axle protective plate if installed as standard -arrows-. The third bolt cannot be seen in the illustration.
- Install front wheels.