BMW X3 (F25) Service & Repair Manual: Bearing in housing, sealing ring

Replacing radial shaft seal for output flange (gs6x45bz) - all- wheel drive vehicles

Special tools required:

• 23 0 490
• 24 0 110
• 11 8 180
• 2 286 572
• 23 3 211
• 23 3 210
• 23 3 230

IMPORTANT: After completion of work, check transmission oil level.

Use only approved TRANSMISSION OIL .

Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary tasks:

• Remove transfer box .
• Engage gear.

Removal:

Block crankshaft with special tool 11 8 180 .

Loosen and screw out screw (1) from the adapter shaft of the transmission (2).

Mount special tool 2 286 572 C and 2 286 572 D on the adapter shaft.

Screw in special tool 2 286 572 B in adapter shaft (1).

Pull out adapter shaft (1) using a two or three-claw extractor tool (2).

Mount screw 2 286 572 A on special tool 23 3 211.

NOTE:

• Special tool 23 3 211 is an element of special tool 23 3 210 .

Unscrew screw 2 286 572 A as far as possible out of special tool 23 3 211.

Screw special tool 23 3 211 tightly into radial shaft seal.

Screw in screw 2 286 572 A into special tool 23 3 211 again until the radial shaft seal is drawn out of the transmission housing.

• If necessary, repeat procedure.

Installation:

Coat sealing lips of new radial shaft seal with transmission oil.

Drive in radial shaft seal with special tool 23 3 230 until flush.

Heat up adapter shaft (1) using a hot air blower (2).

NOTE: Maximum temperature of the adapter shaft: 120ºC.

IMPORTANT: Risk of burning! Wear protective gloves.

Insert the heated adapter shaft (2) on the output.

• If necessary, carefully hammer in the adapter shaft using a plastic hammer.

Part: Replace screw (1).

Tighten screw (1).

Remove special tool 11 8 180 .

Required follow-up work:

• Install transfer box .
• Check transmission oil level.