BMW X5: Replacing Radial Shaft Seal For Drive Flange (ATC 700)

Special tools required:

• 23 0 490
• 27 1 460 DRIFT

IMPORTANT: After completing work, check gear oil level, see Replenishing /Changing Transfer Case Oil (ATC 700) and top up if necessary.

Use only approved gear oil in this transfer box.

Necessary preliminary tasks:

• Remove transfer box

Drive a hole into radial shaft seal (1) using a centre punch (2).

IMPORTANT: Do not use a drill as drillings may result in transmission malfunction.

Fig. 19: Identifying Radial Shaft Seal And Centre Punch

Screw in special tool 23 0 490.

Drive out radial shaft seal (1) with impact weight (2).

Fig. 20: Identifying Radial Shaft Seal And Impact Weight With Special Tools

Drive in radial shaft seal with special tool 27 1 460.

Fig. 21: Identifying Radial Shaft Seal With Special Tool (27 1 460)

Add final details to vehicle.

Check oil level.

Check transmission for leaks.

REPLACING RADIAL SHAFT SEAL FOR OUTPUT FLANGE (ATC 700)

Special tools required:

• 23 0 490
• 27 1 480

IMPORTANT: After completing work, check gear oil level and top up if necessary.

Use only approved gear oil See Replenishing /Changing Transfer Case Oil (ATC 700)in this transfer box.

Necessary preliminary tasks:

• Remove underbody protection.
• Support transmission.
• Release exhaust system bracket.
• Remove propeller shaft.
• Remove transmission cross-member.

Release retaining ring (1).

Fig. 22: Identifying Retaining Ring

Installation:

Replace O-ring in output flange.

Check that O-ring is in correct position.

Fig. 23: Identifying O-Ring In Output Flange

IMPORTANT: The propeller shaft may move when the output flange is pushed on. The retaining ring can thus no longer be fitted.

Installation:

• Push on output flange.
• Using 2 screwdrivers, press output flange downwards or output shaft (2) upwards until groove for retaining ring is completely visible.
• Fit retaining ring.

Fig. 24: Pressing Output Flange Downwards Or Output Shaft Upwards

Drive a hole into radial shaft seal (1) using a centre punch (2).

IMPORTANT: Do not use a drill as drillings may result in transmission malfunction.

Fig. 25: Identifying Radial Shaft Seal And Centre Punch

Screw in special tool 23 0 490.

Drive out radial shaft seal (1) with impact weight (2).

Fig. 26: Identifying Radial Shaft Seal And Impact Weight With Special Tool (23 0 490)

Drive in radial shaft seal with special tool 27 1 480 DRIFT.

Fig. 27: Identifying Radial Shaft Seal With Special Tool

Add final details to vehicle.

Check oil level.

Check transmission for leaks.

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