33 21 071 Replacing both gaiters on left or right output shaft (on 2-flow exhaust system)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks

Remove 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: Forcing Gaiter Cap Off Joint Using Suitable Tool

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Push back gaiter with cap.

IMPORTANT: Risk of damage!
Make sure that joint does not fall apart.

Fig 2: Forcing Sealing Cover Off Joint Clamp Joint Using Suitable Tool

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Clamp joint (1) in vice.

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

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: Identifying Marking On Ball Hub, Ball Cage And Joint

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Remove circlip (1).

Fig 4: Identifying Circlip

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Grip output shaft.

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

Clean joint (1) carefully.

NOTE: All traces off old grease must be removed.

Fig 5: Pressing Output Shaft Out Of Joint Using Special Tool

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Detach gaiter from output shaft.

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.

Fig 6: Identifying Hose Clamps And Gaiter On Output Shaft

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Check joint for damage; if necessary, replace OUTPUT SHAFT .

Fill joint with propeller shaft grease.

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

Installing inner gaiter

Push gaiter with cap onto output shaft (1).

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

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

Fig 7: Pressing Joint Over Bearing Inner Race Onto Output Shaft Using Special Tool 33 2 100

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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: Filling High-Temperature Grease Into Both Ends Joints

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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

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

Fit hose clamp (2).

Fig 11: Identifying Cap And Hose Clamp

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