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Replace sealing flange on the gearbox side > < Replacing crankshaft seal on belt pulley side

Octavia Mk2

Removing and installing the sealing flange on the belt pulley side
Removing and installing the sealing flange on the belt pulley side
Special tools and workshop equipment required
t  Counterholder -T30004 (3415)- or Counterholer -MP 1-310 (3099)-
t  Assembly device -T10053-
t  Protective goggles and gloves
t  Sealant remover gasket stripper (bearing code GST, bearing article no. R 34402), manufacturer Retech s.r.o.
t  Cleaning and degreasing agent, e.g. -D 009 401 04-
t  Silicone sealant -D 176 404 A2-
Removing
l  Engine installed.
–  Removing toothed belt → Chapter.
   
–  Remove crankshaft - toothed belt sprocket, to this end lock toothed belt sprocket with counterholder -T30004- or counterholder -MP 1-310-.
–  Drain engine oil:
t  Octavia II → BookletOctavia II.
t  Yeti → BookletYeti.
t  Superb II → BookletSuperb II.
–  Removing the oil pan → Chapter.
–  Unscrew the fixing screws of the front sealing flange and remove sealing flange, if necessary release by applying slight blows with a rubber-headed hammer.
–  Drive out the gasket ring from the removed sealing flange.
Install
Installation is performed in the reverse order, pay attention to the following points:
  WARNING
Wear protective gloves when working with sealant and grease remover!
–  Remove residual sealant from the sealing surfaces on sealing flange, cylinder block and on the oil pan with chemical sealant remover.
–  Degrease the sealing surfaces.
  Note
Pay attention to the use by date on the silicone sealant.
–  Cut off nozzle tube at the front marking (Ø of nozzle approx. 3 mm).
  S13-0166
–  Apply silicone sealant bead -arrow- to the clean sealing surface of the upper part of the sealing flange, as shown.
l  Thickness of sealant bead -arrow-: 2...3 mm.
  Note
t  The sealant bead must not be thicker than 3 mm otherwise excess sealant may get into the oil pan and clogg the strainer in the oil suction pipe.
t  The sealing flange must be installed within 5 minutes after applying the silicone sealant.
t  When installing the sealing flange with the gasket ring fitted place a guide sleeve -T10053/1- on the crankshaft journal.
–  Carefully push the sealing flange onto the dowel sleeves at the cylinder block and tighten new fixing bolts by hand.
–  Tighten the screws of the sealing flange alternately and crosswise to 15 Nm.
–  Installing the oil pan → Chapter.
–  Install the new gasket ring for the crankshaft on the belt pulley side → Chapter.
–  Installing the timing belt → Chapter.
–  Top up with engine oil and check the oil level:
t  Octavia II → BookletOctavia II.
t  Yeti → BookletYeti.
t  Superb II → BookletSuperb II.
  S13-0458

Replace sealing flange on the gearbox side > < Replacing crankshaft seal on belt pulley side