23 12 059 Replacing radial shaft seal for output shaft (GS6-53BZ/DZ)
Special tools required:
- 23 0 020
- 23 0 200
- 23 2 320
- 23 3 210
- 23 3 230
- 33 1 150
- 33 1 154
See MANUAL TRANSMISSION - SPECIAL TOOLS .
See REAR AXLE - SPECIAL TOOLS .
Use only approved transmission oil. Refer to 00 11 229 CHANGING / TOPPING UP / CHECKING GEAR OIL IN MANUAL TRANSMISSION and MANUAL TRANSMISSION - OPERATING FLUIDS .
Failure to comply with this instruction will result in serious damage to the transmission.
Necessary preliminary tasks:
- Unflange propeller shaft from transmission and tie up to one side.
Tasks are described in Removing propeller shaft. See 26 11 000 REMOVING AND INSTALLING COMPLETE PROPELLER SHAFT (CONSTANT-VELOCITY JOINT) .
Brace output flange with special tool 23 0 020 .
Release collar nut with special tool 23 2 320 .
Release E90,91 M57T2, E60S85 with special tool 23 0 200 .
Installation:
Mark flange with thermo pin and heat to min. 80°- 100°.
Secure collar nut with Loctite 243.
- Loctite 243: BMW Parts Service.
- Tightening torque:23 21 1AZ , see 23 21 TRANSMISSION SHAFTS .
Detach output flange (1) with special tool 33 1 150 and adapter plate 33 1 154 from output shaft.
Release screw on special tool 23 3 210 .
Slide special tool 23 3 210 over output shaft and screw into sealing ring firmly.
Insert screw into special tool 23 3 210 again and continue turning until sealing ring is pulled out of transmission housing.
If necessary, remove ring spring of sealing ring.
Installation:
Coat sealing lips of new radial seal with gear oil.
Drive in radial seal as far as it will go with special tool 23 3 230 and plastic hammer.