33 21 035 Replacing Gaiter On Left Output Shaft (Altered Sealing Cover)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 335xi, 2008 BMW 328xi, 2007 BMW 335xi, 2007 BMW 328xi, and 2006 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

21 2 120
26 1 110
33 2 100

Necessary preliminary tasks:

Remove output shaft. See 33 21 001 REMOVING AND INSTALLING OR REPLACING LEFT OUTPUT SHAFT and/or 33 21 002 REMOVING AND INSTALLING/REPLACING RIGHT OUTPUT SHAFT

Removing inner gaiter:

Clean output shaft and clamp with a cloth in vice.

Unfasten hose clip (1).

Using a suitable tool, force gaiter cap (2) off joint or sealing cover.

Fig 1: Identifying Gaiter Cap And Hose Clip

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Push back gaiter with cap.

IMPORTANT:

Risk of damage!

Make sure that joint does not fall apart.

Clamp joint (1) in vice.

Using a suitable tool, force sealing cover (2) off joint (1).

Fig 2: Identifying Sealing Cover And Off Joint

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IMPORTANT: Mark positions in relation to each other of ball hub, ball cage and joint at ends.

NOTE: If the joint falls apart, it can only be reassembled correctly with the aid of the markings.

Fig 3: Marking Positions Of Ball Hub

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Remove circlip (1).

Fig 4: Identifying Circlip

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Grip output shaft.

Using special tool 26 1 110 REMOVAL DISK and a suitable tool (for hollow shaft 21 2 120 DRIFT ), press output shaft out of joint (1).

Clean joint (1) carefully.

NOTE: All traces off old grease must be removed.

Detach gaiter from output shaft.

Fig 5: Identifying Special Tool (26 1 110) & (21 2 120)

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Removing and installing outer gaiter:

Release hose clamps (1, 3) and detach gaiter (2) from output shaft.

Clean joint and output shaft carefully.

NOTE: All traces off old grease must be removed.

Check joint for damage; if necessary, replace output shaft. See 33 21 001 REMOVING AND INSTALLING OR REPLACING LEFT OUTPUT SHAFT and/or 33 21 002 REMOVING AND INSTALLING/REPLACING RIGHT OUTPUT SHAFT

Fill joint with propeller shaft grease.

Fit gaiter (2) on bellows and secure with hose clamps (1, 3).

Fig 6: Identifying Gaiter & Hose Clamps

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Installing inner gaiter:

Push gaiter with cap onto output shaft (1).

Mount special tool 33 2 100 CLAMPING FIXTURE with corresponding shell inserts on output shaft (1).

Press joint (2) over bearing inner race onto output shaft.

Fig 7: Identifying Special Tool (33 2 100) On Output Shaft

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Install new circlip (1).

Fig 8: Identifying Circlip

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IMPORTANT: Keep sealing faces of cap and joint (on both sides) clean and free from grease.

Fill joint at both ends with high-temperature grease.

Fig 9: Identifying Sealing Faces Of Cap & Joint

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IMPORTANT: Risk of damage!
Do not install gaiter with cap and sealing cover on joint without shims.

Apply a thin coating of sealing compound to sealing faces of sealing cover and cap.

Install sealing cover (1) with two bolts, shims and nuts on joint.

Fig 10: Identifying Sealing Cover With Two Bolts

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Install cap (1) with two bolts, shims and nuts on joint.

Fit hose clamp (2).

Fig 11: Identifying Hose Clamp

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