LEMON Manuals: Even more car manuals for everyone
Home >> Mini >> 2011 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - Repair (R56) -- Cooper >> Output Shaft >> 31 60 003 Removing and installing/replacing left output shaft

31 60 003 Removing and installing/replacing left output shaft

IMPORTANT: Manual gearbox only:

Necessary preliminary work: 

IMPORTANT: Expand anti-twist lock (2) sufficiently to avoid damage to thread when releasing collar nut!

Unfasten collar nut (1).

Installation note: 

Renew collar nut (1).

Fig 1: Identifying Collar Nut
G04796777Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Avoid damaging the anti-roll bar link.

Remove ANTI-ROLL BAR LINK FROM ANTI-ROLL BAR  on left.

Remove TRACK ROD END FROM SWIVEL BEARING on left.

Remove WISHBONE FROM LEFT WHEEL CONTROL JOINT .

Use special tool:

The following operations describe the way in which the output shaft is pressed out of the drive flange. 

The following tools are required to press out the output shaft from the drive flange, see illustration for arrangement:

Necessary components: 

Fig 2: Pressing Out Output Shaft From Drive Flange
G10006699Courtesy of BMW OF NORTH AMERICA, INC.
1 Hydraulic unit
E3 Washer M24
F3 Spindle M24 (length 270 mm)
B2 Adapter
K2 Screws M14 x 1.5

Secure output shaft against falling out.

Press out output shaft with hydraulic unit.

Press swivel bearing (1) outwards.

Pull out output shaft (2).

Fig 3: Removing Output Shaft From Wheel Bearing
G04796780Courtesy of BMW OF NORTH AMERICA, INC.

Lever inner output shaft joint out of transmission and remove output shaft (1).

Installation note: 

Manual gearbox only:

Fig 4: Removing Output Shaft
G04796818Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Different types of output shafts fitted! Do not mix up circlips.

(M) = Manual transmission

(A) = Automatic transmission

Fig 5: Identifying Output Shaft Fitting Dimension On Manual And Automatic Transmission
G05516190Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Replace circlip.

Fig 6: Identifying Circlip
G04796819Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Insert assembly guard (1) into radial shaft seal.

Make sure the tool fits over the lip of the radial shaft seal so there is no damage to sealing ring when the output shaft is inserted.

Fig 7: Identifying Assembly Guard
G04796820Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Fig 8: Identifying O-Ring
G10006747Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Insert output shaft (1) into gearbox.

Before sealing surface is pushed into radial shaft seal, remove assembly guard (2) by pulling on handle.

Slide output shaft into gearbox up to stop.

The output shaft must snap audibly into place. Check secure seating by levering.

Fig 9: Inserting Output Shaft Into Gearbox
G04796821Courtesy of BMW OF NORTH AMERICA, INC.

The following work steps describe drawing in the output shaft: 

The following tools are required to fit the output shaft in the drive flange, see illustration for arrangement:

Necessary components: 

Fig 10: Fitting Output Shaft In Drive Flange
G10006703Courtesy of BMW OF NORTH AMERICA, INC.
1 Hydraulic unit
E1 Holding sleeveM24
D1 Washer
F2 Spindle M24/M20 (length 335 mm)
G4 Adapter M22 x 1.5 to M20
IMPORTANT: Risk of damage!

The G4 special tool sleeve used has relatively thin walls due to its technical requirements. So that the load limits of the clamping sleeve are not exceeded when pulling in the output shaft, the adapter 81 64 2 318 661 must  be used together with a torque wrench.

Fit adapter with torque wrench to hydraulic unit (see illustration).

Set torque wrench to 20 Nm.

Draw in output shaft with hydraulic tool until the torque wrench is activated.

Fig 11: Installing Adapter To Hydraulic Unit Using Torque Wrench
G08421060Courtesy of BMW OF NORTH AMERICA, INC.

Tighten new collar nut (1).

Tightening torque 31 60 2AZ .

Installation note: 

Replace collar nut, oil collar nut/wheel bearing contact surface only and tighten down.

No oil permitted on thread of shaft journal or collar nut.

Secure collar nut on flattened area (2) of output shaft by positive caulking.

Fig 12: Identifying Collar Nut
G04796777Courtesy of BMW OF NORTH AMERICA, INC.

After installation: