1999 AUDI A4 Suspension Rear Axle Front Wheel Drive Workshop Manual

42-7


Fig. 2 Installing retaining strap
- Press center of stabilizer bar toward axle beam.
Dimension -a-: approx. 8 mm (5/16 in.)

Note:
If the axle beam is supplied with pre-drilled holes for mounting retaining
strap guide -b-, the guide must be used. Guide -b- correctly positions the
retaining strap and dimension -a- can then be ignored. Fig. 3 Installing retaining strap (continued)
- Press stabilizer bar 8 mm (5/16 in.) toward axle beam, then install
retaining strap off-set to right.
Dimension -a-: 100 mm (3.94 in.)
- Make sure retaining strap contacts both axle beam and stabilizer bar
then fasten strap (lock facing upward).
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42-8

Rear axle, removing and installing


Removing

Vehicle must be standing on its wheels
above vehicle lift

Repair Manual, Brake System, Repair Group 47
- Remove wheel trim.
On light alloy wheels use puller in vehicle tool kit to remove trim cap
- Raise vehicle.
- Extract brake fluid from reservoir:
- Remove wheels.

- Remove cover (arrows).
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42-9


- Unbolt heat shield cover (arrows indicate bolted connections) and push
forward until parking brake cable adjuster becomes accessible.

- Loosen both cable adjusters as follows:
- Remove locking clip -D-.
- Screw in adjusting nut -C- up to stop.
- Push adjuster together.
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42-10


- Remove locking plates -1- on left and right-sides, slightly loosen bolts -
2- for cable retaining plate, and remove cables from axle beam.

- Disconnect brake lines at rear axle (arrow) on both sides.
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42-11

- Pull ABS wheel speed sensors out of mounting
holes on both sides.

- Detach ABS wheel speed sensor wiring from
rear axle.

- On vehicles with headlight range control remove
linkage from axle beam.

Note:
Use VAG1383 gearbox lifter together with 1359/2
attachment for removing and installing the axle
beam.

- Unbolt and remove suspension strut from axle beam.
- Remove bolts from guide bushings ( page 42
-2 , items -3- and -5-)
and remove axle beam.
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42-12

Installing

- Install axle together with guide bushings into
mounting brackets and install bolts hand-tight.

- Install suspension struts and hand-tighten
suspension strut to axle beam bolts.

- Coat O-ring for ABS wheel speed sensor with
brake cylinder paste.

Repair Manual, Brake System, Repair Group 46

Repair Manual, Brake System, Repair Group 47 - Push ABS wheel speed sensors into wheel bearing housings up to
stop.
- Install locking plates for ABS wheel speed sensors.
- Route parking brake cables and attach to brake calipers.
- Connect brake lines.
- Adjust parking brake:
- Install heat shield.
- Bleed brakes:
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42-13

CAUTION!

Vehicle must be standing on its wheels when
tightening guide bushing to rear axle bolts.
Otherwise bonded rubber bushings will be
subjected to torsion resulting in shortened
service life

- Tighten guide bushing bolts ( page 42
-2 ,
items -3- and -5-).

Tightening torque: 80 Nm (59 ft lb) + 1/4-turn
(90 )
CAUTION!

Vehicle must be standing on its wheels when
tightening suspension strut to rear axle bolts.
Otherwise bonded rubber bushings will be
subjected to torsion resulting in shortened
service life

- Tighten suspension strut to axle beam bolts (
page 42
-2 , items -6- and -8-).

Tightening torque: 50 Nm (37 ft lb) + 1/4-turn
(90 )
-
On vehicles with headlight range control, tighten
bolted connection between headlight range
Pa
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control linkage to axle beam.

Tightening torque: 3 Nm +1/-0 Nm (27 in. lb +9/-
0 in. lb)

- Install cover below rear axle.

- Check wheel alignment and adjust if necessary
page 44
-6 .
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