33 31 503 Lowering/raising rear axle support (universal lifter)

Special tools required:

31 5 250
00 2 030
31 5 256
31 5 253
33 5 206

WARNING: Failure to comply with the following instructions may result in the vehicle slipping off the lifting platform and critically injuring other persons.
Load the luggage compartment with a minimum of 100 kg before lowering/removing the rear axle support. This prevents the vehicle from tilting or sliding off the vehicle hoist!
When supporting components, make sure that:

the vehicle can no longer be raised or lowered.
the vehicle does not lift off the locating plates on the vehicle hoist.

Attention!

Before lowering/removing rear axle support:

Observe safety information for RAISING THE VEHICLE USING A VEHICLE LIFT .

In order to avoid damage to vehicle hoist, perform weight compensation on vehicle.

Necessary preliminary work:

Remove REAR WHEELS .
Remove exhaust system.
If necessary, remove rear tension struts.
Remove propeller shaft at final drive.
Remove CAMBER ARM COVER .
Remove tank cover.
Remove COIL SPRINGS .
Remove both brake-caliper supports and tie up.
Refer to RELEASE SHOCK ABSORBER FROM CAMBER ARM .
Only on ride-height sensor at left: Disconnect plug connection and lay cable back toward vehicle.

Release wheel arch panel in rear area.

Unlock clamps, open cover and detach connector. (Left side identical.)

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Detach Bowden cable (1) of parking brake from rear axle support.

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Engage special tool 31 5 250with a 2nd person helping completely on workshop jack 00 2 030.

Insert special tools 31 5 256 in telescopic supports of a profile rail pair.

Insert special tools 31 5 253 in telescopic supports of other profile rail pair.

NOTE: In a profile rail pair, two profile rails are connected to one another by gearing.

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Lash rear axle support with tensioning strap 33 5 206 to special tool 31 5 250.

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The mounting p the right side are

Align special tools 31 5 250, and 31 5 256 w axle support.

Support rear axle support using workshop jack.

Attention!

The center gravity of t axle must b positioned over the w jack.

G10095630

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Remove COMPRESSION STRUTS (1).

Release screws (2) and remove with thrust washer. (F34, F36 - see next illustration)

Tightening torque 33 33 1AZ .

Lower rear axle support.

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Installation note:

Check threads for damage; if necessary, repair with HELI-COIL THREAD INSERTS .

Screw in all screws, first tightening the COMPRESSION STRUTS (1) and then screws (2).

F34 and F36 only:

Loosen screws (2).

Tightening torque 33 33 3AZ .

Loosen screw (1).

Tightening torque 33 33 1AZ .

Remove rear compression strut (3).

G10095632

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