Removing the radial shaft seal of the drive flange
WARNING:
Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly
.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Observe safety instructions on raising the vehicle using a vehicle hoist.
- For additional information see: 00... RAISING THE VEHICLE WITH A VEHICLE LIFT .
WARNING:
Car may slip off the vehicle hoist where components are supported
.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Secure the vehicle hoist against lowering and lifting.
- Make sure that the vehicle does not lift off the mounting plates on the vehicle lift.
NOTE:
RISK OF DAMAGE
Damage to rear differential .
Failure to comply with the oil specifications can result in serious damage to the rear differential .
Damage to rear differential .
Failure to comply with the oil specifications can result in serious damage to the rear differential .
- After completion of repair work, check the transmission oil level in the rear differential.
- Use only the BMW approved final drive transmission oil. See the Fluid Capacities tab for the selected vehicle.
Preliminary work
- Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
- Refer to REMOVING COMPLETE EXHAUST SYSTEM .
- Refer to REMOVING HEAT SHIELD AT REAR .
- Refer to RELEASING THE PROP SHAFT FROM THE REAR DIFFERENTIAL .
- 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!
- Loosen the twelve-edge flange nut (1) using the special tools 0 495 552 (33 5 050) and 0 495 554 (33 5 070) in the arrow direction. Provide counter support to the bevel drive pinion using a 500-Nm torque wrench and a 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 the radial shaft seal (1) with the special tool 0 490 466 (00 5 010) .