23 12 059 Replacing radial shaft seal for output shaft (GS6-53BZ/DZ)
Use only APPROVED TRANSMISSION OIL .
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 .
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: (refer to BMW Parts).
- Tightening torque: see Fig 2
Detach output flange (1) with special tool 33 1 150 (device for pulling off drive flanges) 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.