ECU AUDI A6 1998 C5 / 2.G 01E Transmission Final Driveshaft Service Workshop Manual

39-70

- Loosen securing bolts on both driveshaft
flanges.

- Unscrew three upper securing bolts on each
driveshaft constant velocity joint.

- Loosen securing bolts of center driveshaft
mounting slightly.

Note:
Never fit assembly appliance onto balance plates.
Note:
Only transport and store driveshaft when extended. - Attach assembly appliance 3405 and tighten the plastic nuts.
- Remove securing bolts of flange to transmission and to rear final drive
as well as securing bolts of center driveshaft mounting.
- Slide driveshaft together toward rear final drive. Constant velocity joints
move along their axis.
- Guide out driveshaft with assembly appliance past transmission flange.
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39-74

- Remove bolt on front left of rear final drive
support.

- Remove bar from lifting appliance 2024 A and secure it to free hole
with an M10 x 85 mm bolt -2-. Use approx. 5 M12 nuts -1- as spacers.
- Secure dial gauge bracket VW 387 to the bar when it is secured in
position.
- Position dial gauge on ground circumference in driveshaft flange
(arrow) and set to zero with a preload of 1 mm.
- Turn differential via both rear wheels (left and right drive flanges) until
flange on rear final drive completes one rotation.
- Make a paint marking at point of greatest radial run-out on outside of
flange (= greatest distance from axis of rotation).
- Remove old marks on driveshaft flange.
- Install driveshaft Page 39
-71
.
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39-76

- Loosen securing bolts of center driveshaft
mounting slightly.

Note:
Never fit assembly appliance onto balance plates. - Attach assembly appliance 3405 and tighten the plastic nuts.
- Remove securing bolts and shims from center mounting.

Parts catalog - Align center driveshaft mounting so that distance -a- is the same on left
and right.
- Measure -a- on both sides.
- Select shims from table.
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39-78

Aligning driveshaft longitudinally

- Using assembly appliance, push driveshaft toward rear as far as it will
go.
- Mark position of center mounting on body (arrow -A-).
- Using assembly appliance, push driveshaft toward front as far as it will
go.
- Mark position of center mounting on body (arrow -B-).
- Align driveshaft -arrow C-.

The center mounting must be positioned centrally between the
markings -A- and -B-
- Install securing bolts of driveshaft center mounting and previously
determined shims and tighten.
- Remove assembly appliance.
- Install heat shield above driveshaft.
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