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Home >> Mini >> 2019 >> Cooper Clubman S ALL4, Standard Trans >> Repair and Diagnosis >> Drivelines & Axles >> Axle Shafts >> Front Axle - Repair -- Cooper (F54) >> 31 60 Output Shaft >> Replacing both Bellows on left and right of output shaft (Cooper)

Replacing both Bellows on left and right of output shaft (Cooper)

Special tools required: 

NOTE: Output shaft removed.
IMPORTANT: Repair may only be carried out via the inner joint! Do not press off or disassemble wheel-side joint.

The transmission-side joint may be bent by max. 18° and the wheel-side joint by max. 45°!

Remove all traces of old grease from inner joint, wipe off old grease from outer joint!

Only use dry, clean cloth free of grease and lint for cleaning!

Visible soiling of joints (e.g. by water or dirt) will cause premature failure!

The wheel-side bellows may not be replaced with output shafts that have a dynamic damper (1)!

Output shafts with dynamic damper (1) and faulty wheel-side bellows require a complete replacement of the left OUTPUT SHAFT  or the right OUTPUT SHAFT .

G11648104Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Always use plastic or aluminum vice jaw protectors when working with a vice!

Luggage straps are not to be reused!

Clean the output shaft (2) and place it into the vice.

(1) = Wheel-side joint

(3) = Joint on transmission end

G11648105Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Check installation position.

Before disassembling the tripod joint, the position of the joint housing (1), tripod joint (2) and output shaft (3) relative to each other must be noted. 

The separate components must be reassembled in the same position in relation to each other (marking). 

G13796240Courtesy of BMW OF NORTH AMERICA, INC.

Detach the band clamps (1) and (2).

Slide the bellows (3) back.

Detach joint housing (4).

G11648106Courtesy of BMW OF NORTH AMERICA, INC.

Detach the snapring (1) for the tripod (2) from the output shaft (3).

G11648107Courtesy of BMW OF NORTH AMERICA, INC.

Use a three-claw extractor tool (3) to pull the tripod (1) off the output shaft and clean it carefully.

If necessary, use a suitable bolt (2) to close the bore.

G11648108Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Remove all traces of old grease. Old bellows must not be reused!

Detach bellows (1) of joint on transmission side and carefully clean output shaft.

G12892497Courtesy of BMW OF NORTH AMERICA, INC.

Removing outer joint bellows: 

IMPORTANT: The wheel-side constant velocity joint is pressed on and secured with a snap ring. Do not press off or disassemble!

Failure to comply with this instruction will result in damage to the constant velocity joint.

G11648110Courtesy of BMW OF NORTH AMERICA, INC.

Detach the luggage straps (1) and (2).

Detach bellows (3) of joint on wheel side.

Wipe accessible areas of joint (1) and the output shaft (2) with a clean and lint-free cloth.

G11648111Courtesy of BMW OF NORTH AMERICA, INC.

Installing outer joint bellows: 

During assembly, the sealing surfaces on the bellows and join grease!

It is imperative to follow the grease and quantities listed in the

Bellows part number 8 618 537 8 618 538 8 618 547 8 618 548 8 618 539 8 618 540 8 618 54 8 618 54
Joint on the transmission end        
Grease quantity 125 g 125 g 140 g 140 g
Grease CX-CVM1 CX-CVM1 CX-CVM1 CX-TP1
Wheel-side joint        
Grease quantity 90 g 75 g 80 g 80 g
Grease CX-CVL1 CX-CVL1 CX-CVL1 CX-CVL1
NOTE:
  • CX-CVM1 = Part number:  2 286 016
  • CX-TP1 = Part number:  2 286 018
  • CX-CVL1 = Part number:  2 286 017
  • NKG-814 = Part number:  2 356 850

Push the new bellows onto the output shaft.

Lubricate the joint with lubricant (see table).

NOTE: The sealing surfaces on the inside of the bellows and the groove on the constant velocity joint must be dry, clean and free of grease.
G11648111Courtesy of BMW OF NORTH AMERICA, INC.

Position the bellows (3) on the joint.

IMPORTANT: Bellows must be bled after lining in order to adapt the excess pressure generated during lining to the ambient pressure!

Vent bellows; carefully slide a suitable tool between bellows and output shaft for this purpose.

Position the band clamp (1) and (2) in the bellows groove and close it with special tool 32 1 260.

G11648113Courtesy of BMW OF NORTH AMERICA, INC.

Installing inner joint bellows: 

Slide the band clamp with the smaller diameter onto the output shaft (2).

Slide the new bellows (1) onto the output shaft (2).

G13822863Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Mount the tripod (2) on the output shaft so that the flat side (1) points toward the snapring.
G11648115Courtesy of BMW OF NORTH AMERICA, INC.

Drive tripod (2) with a suitable tool onto the output shaft (3) until the groove for the snapring is exposed.

Install the snapring (1).

G11648107Courtesy of BMW OF NORTH AMERICA, INC.

Lubricate the joint housing (4) with lubricant (see table).

IMPORTANT: During assembly, the sealing surfaces on the bellows and joint must be clean, dry and free of grease!
G11648117Courtesy of BMW OF NORTH AMERICA, INC.

Mount the joint housing (4) on the tripod.

Mount the bellows (3) on the joint housing (4).

IMPORTANT: Bellows must be bled after lining in order to adapt the excess pressure generated during lining to the ambient pressure!

Vent bellows (3); carefully slide a suitable tool between bellows and output shaft for this purpose.

Close the band clamps with the special tool 32 1 260.

Replace transmission snapring.

G13822867Courtesy of BMW OF NORTH AMERICA, INC.