Overhaul - x3 BMW X3 E83

RADIAL SHAFT SEAL FOR DRIVE FLANGE

Note. Numbers in text refer to numbers in figures.

Remove transfer case. See TRANSFER CASE - REMOVAL & INSTALLATION .

Drive a hole into radial shaft seal (2) using a center punch (1). (Scheme 16) Do not use a drill as drillings may result in transmission malfunction.

Scheme 16

Screw in special tool (23 0 490). Drive out radial shaft seal (1) with impact weight (2). (Scheme 17)

Scheme 17

Drive in radial shaft seal with special tool (27 1 390). (Scheme 18)

Scheme 18

Add final details to vehicle. Check oil level. Check transmission for leaks.

RADIAL SHAFT SEAL FOR OUTPUT FLANGE

Note. Numbers in text refer to numbers in figures.

Remove transfer case. See TRANSFER CASE - REMOVAL & INSTALLATION .

Release retaining ring (1). (Scheme 19)

Scheme 19

Remove drive flange with special tool (33 1 150). (Scheme 20)

Scheme 20

NOTE: During installation, replace "O" ring (1) in output flange. Check that "O" ring (1) is in correct position. (Scheme 21) Note that propeller shaft may move when the output flange is pushed on. The retaining ring can therefore no longer be fitted.

Scheme 21

To install version with mounting groove on output shaft (1), push on output flange. (Scheme 22)

Scheme 22

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

To install version without mounting groove on output shaft, support transfer box with a suitable sleeve (1) on transmission input shaft (2). (Scheme 23)

Scheme 23

Push on output flange. Fit retaining ring. Drive a hole into radial shaft seal (2) using a center punch (1). (Scheme 24) Do not use a drill as drillings may result in transmission malfunction.

Scheme 24

Screw in special tool (23 0 490). Drive out radial shaft seal (1) with impact weight (2). (Scheme 25)

Scheme 25

Drive in radial shaft seal with special tool (27 1 400). (Scheme 26)

Scheme 26

Add final details to vehicle. Check oil level. Check transmission for leaks.

TORQUE SPECIFICATIONS

TORQUE SPECIFICATIONS

See also:
• TRANSFER CASE - REMOVAL & INSTALLATION