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Home >> Mini >> 2015 >> Cooper Base, 2D Convertible, 1.6L Eng, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 4569 (Crankshaft Seal, Timing Case Cover, Engine Oil Pan, Crankcase Ventilation System - Repair - F12) >> Crankshaft Seal, Timing Case Cover >> 11 14 151 Replacing radial crankshaft seal on transmission side (N55)

11 14 151 Replacing radial crankshaft seal on transmission side (N55)

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Special tools required: 

Necessary preliminary work: 

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

Remove magnet wheel (1) from crankshaft.

Fig 1: Identifying Magnet Wheel
G10041914Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on pulse sensor (1).

Slide PULSE SENSOR (2) upwards.

Fig 2: Identifying Screw On Pulse Sensor
G10041915Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Drill size maximum 2, 5 mm.
Remove swarf immediately.

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

Fig 3: Drilling Hole In Radial Shaft Seal
G10041916Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Immediately carefully remove swarf on the radial shaft seal (1).
Fig 4: Identifying Radial Shaft Seal With Drilled Hole
G10041917Courtesy of BMW OF NORTH AMERICA, INC.

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

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

IMPORTANT: Immediately carefully remove residual swarf.
Fig 5: Removing Radial Shaft Seal
G10041918Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 6: Identifying Radial Shaft Seal On Special Tool (11 8 220)
G10041919Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 7: Positioning Radial Shaft Seal
G10041920Courtesy of BMW OF NORTH AMERICA, INC.

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 Parallel Up Against Crankcase
G10041921Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 9: Fastening Special Tools On Crankshaft
G10041922Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Prepare special tool 11 9 181 for installation.

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

Fig 10: Preparing/Connecting Special Tools
G10041923Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 11: Installing Radial Shaft Seal
G10041924Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 12: Screwing-On Radial Shaft Seal To Limit Position
G10041925Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.

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