Removing the radial shaft seal of the drive flange
WARNING:
Hot surfaces
.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
NOTE:
RISK OF DAMAGE
Damage to rear differential .
Failure to comply with the oil specifications can result in serious damage to the rear] | axle differential .
Damage to rear differential .
Failure to comply with the oil specifications can result in serious damage to the rear] | axle differential .
- After completion of repair work, check the oil level in the rear differential.
- Use only the approved final drive oil.
Preliminary work
- Refer to REMOVING THE UNDERBODY PLANKING OF THE TRANSMISSION ON THE SIDE .
- Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
- Refer to REMOVING THE TORSION STRUT ON THE REAR LEFT AND RIGHT .
- Refer to IF INSTALLED: REMOVING THE REAR AXLE COVER .
- Refer to REMOVING THE REAR DIFFUSER .
- Refer to REMOVING COMPLETE EXHAUST SYSTEM .
- Refer to REMOVING THE HEAT SHIELD AT THE REAR .
- Refer to RELEASING THE PROP SHAFT FROM THE REAR DIFFERENTIAL .
NOTE:
RISK OF DAMAGE
Failure to comply with the specification .
Component damage .
Failure to comply with the specification .
Component damage .
- All specifications must be observed and complied with.
- Release retaining ring (2).
- Remove recessed nut (1) with the seal.
- Mark the position of twelve-edge flange nut (1) for bevel drive pinion (2).
- Heat twelve-edge flange nut (1) using a hot air blower.
Do not heat more than required to open twelve-edge flange nut (1)! Do not use open flames for heating!
- Release twelve-edge flange nut (1) in the arrow direction using special tools 0 495 552 (33 5 050) and 0 495 554 (33 5 070) . Grip the bevel drive pinion using a 500 Nm torque wrench and suitable special tool 0 495 553 (33 5 060), 0 495 595 (33 5 090) or 2 456 244 .
- To prevent damage to the interior function elements, it is mandatory to set the torque wrench to the highest scale value (500 Nm) because the twelve-edge flange nut (1) has a very high release torque.
- Cut a small hole in a cloth (1).
- Slide cloth (1) over bevel drive pinion (2).
- Use thread file (1) to remove the adhesive residue.
The right thread pitch must be ensured!
- Set thread file (1) on the thread of bevel drive pinion (2).
- Clean the thread by turning a rear wheel and remove the adhesive residue thoroughly.
- Remove cloth (1) from bevel drive pinion (2).
- Pull out radial shaft seal (1) using special tool 0 490 466 (00 5 010)
.