11 21 500 Replacing crankshaft (N14)

WARNING: This page is about a different car, the 2008 MINI Cooper and 2007 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 9 120
11 4 471
11 4 472
11 6 251
11 6 252
23 1 240

WARNING: Rotating components (danger or injury!).

It is absolutely essential to follow the procedure described below and the instructions on handling the special tools.

IMPORTANT: Jointing torque and angle of rotation must be observed without fail (risk of damage) .

Necessary preliminary tasks:

Remove Engine .
Mount engine on Assembly Stand .
Remove Vibration Damper .
Removing Oil Pan .
Remove Oil Pump .
Remove Timing Chain .
Remove Cylinder Head .
Remove Flywheel .

Release screws (1).

For tightening torque refer to 11 13 5AZ in 11 13 OIL PAN .

Remove oil deflector (2).

Remove all pistons .

Fig 1: Oil Deflector And Mounting Screws

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Drive out cover plates (1) with a cross-chisel (2).

Fig 2: Cover Plates And Cross-Chisel

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Release screws (28 to 11).

Release screws (10 to 1).

Fig 3: Crankcase And Installation/Removal Sequence

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Release crankcase lower half in direction of arrow with a regular screwdriver (2) and an open-end wrench (1).

Fig 4: Screwdriver, Open-End Wrench And Release Direction

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Remove both radial shaft seals (1).

Fig 5: Radial Shaft Seals

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Remove crankshaft (1).

IMPORTANT: Remove crankshaft with aid of a second person.

Weight of crankshaft approx. 19 kg.

Remove main bearing shells, replace if necessary.

Fig 6: Crankshaft

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IMPORTANT: Do not clean sealing faces with a metal-cutting tool.

Clean sealing faces with special tools 11 4 471 and 11 4 472 .

Fig 7: Special Tool (11 4 471) And (11 4 472)

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Check guide sleeves (1) for damage and correct seating.

Fig 8: Guide Sleeves

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Apply sealing bead (1) to crankcase lower half (see Fig 9) with Loctite 5970 sealing compound.

Installation:

Follow manufacturer's instructions (Loctite).

Fig 9: Crankcase Lower Half Sealing Bead Application Area

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Apply sealing bead (1) to crankcase upper half (see Fig 10) with Loctite 5970 sealing compound.

Installation:

Follow manufacturer's instructions (Loctite).

Fig 10: Crankcase Upper Half Sealing Bead Application Area

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Insert crankshaft (1).

IMPORTANT: Rotating component (danger of injury!)

Insert crankshaft with aid of a second person.

Weight of crankshaft approx. 19 kg.

Fig 11: Crankshaft

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Lubricate all bearings from 1 to 5 with engine oil.

Install crankcase lower half.

Fig 12: Crankshaft Bearings

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Tighten bolts (1 to 10).

For tightening torque refer to 11 11 1AZ in 11 11 ENGINE BLOCK .

Tighten bolts (11 to 28).

For tightening torque refer to 11 11 2AZ in 11 11 ENGINE BLOCK .

Fig 13: Crankcase And Installation/Removal Sequence

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Tighten bolts exclusively with special tool 00 9 120 .

IMPORTANT: Jointing torque and angle of rotation must be observed without fail.

Fig 14: Special Tool (00 9 120)

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Apply a thin coating of Loctite 273 to cover sleeve (1) in area (2).

Fig 15: Cover Sleeve And Loctite Coating Area

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Drive cover sleeves firmly home with special tool 23 1 240 .

Fig 16: Special Tool (23 1 240) And Installation Direction

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Determine crankshaft axial clearance.

Attach special tool 11 6 252 with magnet.

Set special tool 11 6 251 to zero.

Press crankshaft in direction of rotation up to stop.

Refer to ENGINE - TECHNICAL DATA -- N14 ENGINE .

Fig 17: Installation Direction, Special Tool (11 6 251) And (11 6 252)

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Replace radial shaft seal at Front .

Replace radial shaft seal at Rear .

Assemble engine.