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Driveshaft, servicing
Important notes
A distinction is made between two
driveshafts:
Driveshaft made of steel
Driveshaft made of carbon fiber
Only carbon fiber driveshafts were installed up to
November 1997.
Only steel driveshafts were installed from
November 1997.
If the driveshaft is replaced, make sure a
driveshaft with the same part number is
installed. A carbon fiber driveshaft must not
be replaced by a steel driveshaft and vice
versa !
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Specific notes for carbon fiber driveshafts:
WARNING!
Driveshaft made of carbon fiber
do not impact / do not hi
t
do not drop
If the surface is damaged, driveshaft must be
replaced
Do not bend the driveshaft, maximum
permissible bending angle is 25 . Otherwise
the universal joint may be damaged.
Only store and move driveshaft fully
extended.
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Notes for all driveshafts:
General repair notes page 00
-27
.
Do not bend the driveshaft, maximum
permissible bending angle is 25 . Otherwise
the universal joint may be damaged.
Only store and move driveshaft fully
extended.
No repair work can be performed on the
driveshaft with the exception of removing and
installing and adjustment work.
If the driveshaft is only detached at the
transmission or from rear final drive, it must be
tied up or supported at the constant velocity joints.
Before removing, mark position from joint to
flange. Reinstall in identical position otherwise
imbalance will be too high which could result in
damage to the bearing or in vibration noises.
If there are complaints (noises, vibrations) it is
essential to check whether correct adjustment
of the driveshaft eliminates the symptoms
before the driveshaft is replaced.
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Page 4 of 23
After disconnecting driveshaft from rear final
drive, an additional balance washer (thick
washer) that may be located between shim and
bolt head may not be reinstalled.
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1 -
Rear final drive
2 -
Gasket
Always replaceRemove protective film and attach self-
locking side of gasket to drive flange. Degrease drive flange
3 -
Constant velocity joint Maximum permissible bending angle 8
4 -
Backing plate
5 -
Socket head bolt - 55 Nm
Self-lockingAlways replaceAlways clean threaded holes for drive
flange bolts (e.g. with thread cutter)
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6 -
Universal joint
Maximum permissible bending angle 25
7 -
Adjustment shim
Determine thickness page 39
-90
8 -
Hex-bolt - 23 Nm
9 -
Center driveshaft bearing
10 -
Driveshaft
Adjusting page 39
-88
11 -
Socket head bolt - 55 Nm
Self-lockingAlways replaceAlways clean threaded holes for drive
flange bolts (e.g. with thread cutter)
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12 -
Backing plate
13 -
Constant velocity joint
Maximum permissible bending angle 8
14 -
Gasket
Always replaceRemove protective film and attach self-
locking side of gasket to drive flange. Degrease drive flange
15 -
Transmission
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Driveshaft, removing and installing
Special tools and equipment
Removing
Repair Manual, Engine Mechanical, Repair Group 26; removing and
installing exhaust system
Repair Manual, Engine Mechanical, Repair Group 26; removing and
installing exhaust system
3405 alignment fixture
- Observe important notes page 39
-73
- Remove crossmember below exhaust system if installed.
- Remove front exhaust pipes:- Remove rear part of exhaust system starting at clamp to gain access to
the driveshaft:
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