1998 AUDI A4 Suspension Rear Axle All Wheel Drive Workshop Manual

42-59


- Disconnect brake lines at fittings -1- and -2- at left-rear below vehicle.
- Unclip brake lines from holder (arrow) below vehicle.

- Remove holders -1- and -2- for wiring to ABS wheel speed sensors -
G44- and -G46- at lower control arm.
- Pull ABS wheel speed sensors -G44- and -G46- (arrow) out of wheel
bearing housing.
- Unhook wiring for wheel speed sensors at front of subframe.
Pa
ge 25 of 32 Rear axle, servicin
g (all-wheel-drive vehicles
)
11/20/2002 htt
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42-60


Note:
On vehicles with headlight range control, the linkage for the headlight
range control must be disconnected to remove the rear axle or lower
control arm page 42
-48
. - Attach VAG1752/1 spring compressor and spring holder with
VAG1752/3 adaptor and protective linings at second and next to last
coils of coil spring.
- Compress coil spring.
Pa
ge 26 of 32 Rear axle, servicin
g (all-wheel-drive vehicles
)
11/20/2002 htt
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42-61


CAUTION!
Be careful not to damage the edge of the wheelhousing. - While coil spring is still compressed, remove bolts (arrows) from
suspension strut mounting bracket.
- Swivel suspension strut outward at top and relieve coil spring tension.
- Using above procedure, remove suspension strut from opposite side.
- Remove exhaust system bracket from rear final drive.

CAUTION!
Be careful not to damage the fuel tank. - Support final drive using VAG1383A engine/transmission lifter and
VAG1359/2 universal mount.
- Secure rear final drive with strap.
Pa
ge 27 of 32 Rear axle, servicin
g (all-wheel-drive vehicles
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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42-62


- Remove bolts (arrows) at front cross member for rear final drive.

CAUTION!
Be careful not to damage the edge of the wheelhousing. - Remove four subframe bolts (arrows).
- Slowly lower subframe together with rear final drive.
Pa
ge 28 of 32 Rear axle, servicin
g (all-wheel-drive vehicles
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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42-63

Installing
Installation is the reverse of removal. Observe
the following:

CAUTION!

Any residual paint, residual adhesive and/or
corrosion in the threads/splines must be
removed.

Note:

To prevent imbalance, drive flange -A- on driveshaft and drive flange -B-
on rear final drive must be installed with colored markings aligned
(arrows).
Repair Manual, Brake System, Repair Group 47

Repair Manual, Brake System, Repair Group 46 - Replace gasket between driveshaft and rear final drive drive flanges.
- Peel off protective backing and bond gasket to drive flange.
Bonding surface must be free of grease
- Replace driveshaft bolts (self-locking).
- Bleed brake system:
- Adjust parking brake:
Pa
ge 29 of 32 Rear axle, servicin
g (all-wheel-drive vehicles
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
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- Adjust toe and camber at rear axle page 44
-6 .
Pa
ge 30 of 32 Rear axle, servicin
g (all-wheel-drive vehicles
)
11/20/2002 htt
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42-64

- Align exhaust system free of stress:
Repair Manual, Engine Mechanical, Repair
Group 26

- Replace four subframe bolts and washers.

Installation position of washers: ribbed side
facing upward

Tightening torques

Component/location
Tightening
torque
Subframe to body 110 Nm (81 ft
lb) + 1/4-turn
(90 )1) Suspension strut mounting
bracket to body 55 Nm (41 ft
lb)
Drive shaft to rear final
drive M8 55 Nm (41 ft
lb)
Rear final drive front
crossmember to body M10 40 Nm (30 ft
lb)
Rear final drive front
crossmember (with
exhaust system bracket)
to body M8 20 Nm (15 ft
lb)
Pa
ge 31 of 32 Rear axle, servicin
g (all-wheel-drive vehicles
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.42.3

Drive axle to rear final
drive M8 40 Nm (30 ft
lb)
M10 80 Nm (59 ft
lb) 1) Always replace bolt
Pa
ge 32 of 32 Rear axle, servicin
g (all-wheel-drive vehicles
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.SU01.42.3