11 14 151 Replacing radial crankshaft seal on transmission side (N20)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

Necessary preliminary tasks:

IMPORTANT: Magnet wheel (1) is magnetic.
Keep magnet wheel (1) in a plastic bag away from swarf.

Remove magnet wheel (1) from crankshaft.

Installation note:

Check the fitting sleeve for damage.

Note the installation position of the magnet wheel.

Fig 1: Identifying Magnet Wheel

Release screw on pulse sensor (1).

Slide PULSE SENSOR (2) upwards.

Fig 2: Identifying Pulse Sensor And Screw

IMPORTANT: Drill size maximum 2,5 mm.
Remove swarf immediately.

Drill a hole with a drill (1) in the radial shaft seal (see arrow).

Fig 3: Drilling Radial Shaft Seal Hole

IMPORTANT: Remove swarf from the radial shaft seal (1).

Fig 4: Locating Radial Shaft Seal Swarf

IMPORTANT: Risk of damage at the crankcase and on the running surface of the crankshaft.
Immediately carefully remove residual swarf.

Screw in special tool 23 0 490 in direction of arrow.

Drive out radial shaft seal with impact weight in direction of arrow.

Fig 5: Driving Radial Shaft Seal Using Special Tool (23 0 490)

Prepare radial shaft seal (1) on special tool 11 8 220 .

Fig 6: Identifying Radial Shaft Seal And Special Tool (11 8 220)

Position the radial shaft seal (1) with special tool 11 8 220 on the crankshaft.

Fig 7: Positioning Radial Shaft Seal On Crankshaft Using Special Tool (11 8 220)

Brush radial shaft seal (1) over the special tool 11 8 220 .

Move radial shaft seal (1) parallel up against the crankcase.

Fig 8: Moving Radial Shaft Seal

Fasten special tool 11 9 182 with special tool 11 9 184 on the crankshaft.

Fig 9: Identifying Special Tool (11 9 182 With 11 9 184) On Crankshaft

Installation note:

Prepare special tool 11 9 181 for installation.

Connect special tool 2 212 827 onto special tool 11 9 181 .

Fig 10: Connecting Special Tool (2 212 827) On Special Tool (11 9 181)

Pull on radial shaft seal with special tools 11 9 181 and 2 212 827 in combination with special tool 11 9 183 .

Fig 11: Identifying Special Tools (11 9 181 And 2 212 827)

Screw on radial shaft seal with special tool 11 9 183 to limit position.

Fig 12: Tightening Radial Shaft Seal

Remove all special tools.

Assemble engine.