AUDI A4 1997 B5 / 1.G Suspension Rear Axle All Wheel Drive Owner's Manual

42-56


Note:
The kidney-shaped recesses (arrows) must be parallel to the center line of
the vehicle. Max. deviation of 10 to left or right is permissible. Fig. 5 Installation positions of bonded rubber bushings in rear
subframe
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Rear axle, removing and installing (all-
wheel-drive vehicles)


Special tools, test equipment and auxiliary
items

VAG1752/1 spring compressor
VAG1752/3 adaptor with protective linings
VAG1383A engine/transmission lifter
VAG1359/2 universal mount

Removing

- Remove rear center console:

Repair Manual, Body Interior, Repair Group
70


- Remove both rear wheels.

- Disconnect exhaust system at clamp and
remove rear section of exhaust system.
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CAUTION!

Do not deflect the isolating element at the
front exhaust pipe more than 10 otherwise it
could become damaged.
- Remove rear heat shield for driveshaft.

- If applicable, suspend exhaust pipe together
with three-way catalytic converter from
driveshaft center bearing.
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- Check for factory markings (colored dots -arrows-) for aligning drive
flange on driveshaft -A- to drive flange on rear final drive -B-. If
necessary, apply colored dots (arrows).
- Remove bolts from drive flange.

Repair Manual, Brake System, Repair Group 46

Note:
If the same rear axle is to be re-installed, only disconnect the parking
brake cables at the parking brake lever, underbody and at the fuel tank.
Leave the parking brake cables in position at the rear axle and at the
brake calipers. - Support driveshaft using wire attached to underside of vehicle (arrows)
and place wooden block -1- below driveshaft.
- Remove parking brake cables:
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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.
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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.
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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.
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- 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.
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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:
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- Adjust toe and camber at rear axle page 44
-6 .
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