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Balancer shaft and retaining frame > < Renewing crankshaft oil seal - pulley end

Polo Mk3

Removing and installing sealing flange - pulley end
   
Removing and installing sealing flange - pulley end
Special tools and workshop equipment required
t  Counter-hold tool -3415-
t  Assembly tool -T10053-
t  Torque wrench -V.A.G 1331-
t  Torque wrench -V.A.G 1332-

Not illustrated:
t  Hand drill with plastic brush attachment
t  Silicone sealant -D 176 404 A2-
t  Flat scraper
Removing
–  Remove poly V-belt → Chapter.
–  Remove toothed belt → Chapter.
   
–  Remove crankshaft toothed belt pulley. To do this, lock toothed belt pulley using counter-hold tool -3415-.
–  Drain engine oil.
–  Remove sump → Chapter.
–  Unbolt front sealing flange.
–  Remove sealing flange; if necessary, loosen using light blows with a rubber headed hammer.
–  Remove sealant residue on cylinder block with a flat scraper.
–  Cover seal with a clean cloth.
  N13-0541
–  Remove residual sealant on sealing flange using a rotating plastic brush (wear eye protection).
–  Clean sealing surfaces. They must be free of oil and grease.
Installing
  Note
t  Observe expiry date of sealing compound.
t  Sealing flange must be installed within 5 minutes of applying silicone sealant.
  A17-0030
–  Cut off tube nozzle at forward marking (nozzle Ø approx. 3 mm).
–  Apply silicone sealing compound, as shown, to clean sealing flange sealing surface. Sealant bead must be:
t  The sealant bead should be -arrows-: 2...3 mm thick
  Note
t  Sealant bead should not be thicker, as otherwise excess sealant can enter the sump and clog the strainer in the oil pump suction pipe, as well as drip onto the crankshaft oil seal.
t  Before applying sealant bead, cover sealing surface of oil seal with a clean rag.
–  Fit sealing flange immediately and lightly tighten all bolts.
  Note
When fitting sealing flange with oil seal installed, use guide sleeve -T10053/1-.
–  Tighten sealing flange securing bolts diagonally and alternately. Torque setting: 15 Nm
–  Remove excess sealant.
–  Install sump → Chapter.
  Note
Sealing compound must dry for approx. 30 minutes after installation. Only then fill with engine oil.
Installing toothed belt and adjusting valve timing → Chapter.
–  Install poly V-belt → Chapter.
  N17-0084

Balancer shaft and retaining frame > < Renewing crankshaft oil seal - pulley end