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Oil filter bracket with engine oil cooler > < Installing a new balance shaft assembly

A4 Cabriolet Mk2

Re-installing the "old" balance shaft assembly
Re-installing the "old" balance shaft assembly
  Note
t  If re-installing the "old" balance shaft assembly and neither the drive gear on the crankshaft nor the crankshaft itself have been renewed, proceed as described in the following. It is also essential that the idler gear has NOT been slackened.
t  If the bolt for the idler gear has been slackened or the drive gear on the crankshaft or the crankshaft itself have been renewed you must install a new idler gear with the appropriate coating. Procedure for installation → Chapter „Installing a new balance shaft assembly“.
t  Renew the bolts tightened with specified tightening angle.
   
–  Lock balance shaft with locking tool -T10255-; turn balance shaft to do so, if necessary.
l  The lug of the locking tool must engage in the groove of the balance shaft.
–  Check that two dowel sleeves are in place, to ensure that balance shaft assembly is located correctly on cylinder block.
–  Attach balance shaft assembly to cylinder block.
l  When balance shaft is locked in position, idler gear must engage in drive gear on crankshaft.
l  Idler gear must have noticeable backlash.
  A13-10206
t  Balance shaft assembly with eight attachment points → Fig..
  A13-10207
t  Balance shaft assembly with six attachment points → Fig..
–  Take out locking pin -3359-.
  A17-10650
–  Secure bottom section of toothed belt cover -arrows-.
Remaining installation steps are carried out in reverse sequence; note the following:
–  Install sump → Chapter.
Tightening torques
  A13-0171
ComponentNm
Balance shaft assembly to cylinder blockM713 + 90° 1)
M820 + 90° 1)
Toothed belt cover to engine10 2)
l  1) Renew bolts.
l  2) Apply locking fluid when installing; refer to → Electronic parts catalogue for locking fluid.

   

Oil filter bracket with engine oil cooler > < Installing a new balance shaft assembly