11 14 151 Replacing radial crankshaft seal on transmission side (N54N54T) from 01.01.09

Special tools required: 

• 11 8 220
• 11 9 181
• 11 9 182
• 11 9 183
• 11 9 184
• 11 9 185
• 23 0 490

Necessary preliminary tasks: 

• Remove flywheel

Remove magnet wheel (1) from crankshaft.

Fig 1: Identifying Crankshaft Magnet Wheel

Release screw on pulse sensor (1).

Slide pulse sensor (2) upwards.

Fig 2: Identifying Pulse Sensor And Screw

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

Fig 3: Drilling Hole Into Radial Shaft Seal

Fig 4: Locating Radial Shaft Seal 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: Removing Radial Shaft Seal Using Impact Weight

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

Fig 6: Installing Radial Shaft Seal Onto 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 And Special Tool (11 8 220) Onto Crankshaft

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 Into Crankcase

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

Fig 9: Fastening Special Tool Onto Crankshaft

Installation note: 

Prepare special tool 11 9 181 for installation.

Connect special tool 11 9 185 onto special tool 11 9 181 .

Fig 10: Connecting Special Tools (11 9 181) And (11 9 185)

Pull on radial shaft seal with special tools 11 9 181 and 11 9 185 in combination with special tool 11 9 183 .

Fig 11: Pulling Radial Shaft Seal Using Special Tools

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

Fig 12: Screwing Radial Shaft Seal Using Special Tool (11 9 183)

Remove all special tools.

Assemble engine.