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Volkswagen Workshop Service and Repair Manuals

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Removing and installing crankshaft > < Removing and installing drive plate

Golf Mk4

Removing and installing front sealing flange
   
Removing and installing front sealing flange
Special tools and workshop equipment required
t  Oil seal fitting sleeves -2080 A-
t  Counterhold tool -3415-
t  Torque wrench -V.A.G 1331-
t  Torque wrench -V.A.G 1332-
t  Assembly tool -T10053-
t  Hand drill with plastic brush attachment
t  Flat scraper
t  Silicone sealant -D 176 404 A2-

Removing
–  Remove poly V-belt → Chapter.
–  Remove toothed belt → Chapter.
   
–  Remove crankshaft toothed belt pulley. To do this lock pulley with counterhold 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 protective glasses).
–  Clean sealing surfaces. They must be free of oil and grease.
Installing
  Note
t  Observe the use-by date of the sealing compound.
t  The sealing flange must be installed within 5 minutes of applying the silicone sealant.
  A17-0030
–  Cut off tube nozzle at forward marking (approx. 3 mm nozzle Ø).
–  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, otherwise excess sealant can enter sump and block strainer in oil pump suction pipe and also drip onto sealing surface of 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
To fit sealing flange with oil seal installed, use fitting sleeves -2080 A-.
PTFE-type oil seal
  Note
To fit sealing flange with oil seal installed, use assembly tool -T10053-.
Continuation for all versions
–  Tighten sealing flange securing bolts diagonally and alternately. Torque setting: 15 Nm
–  Remove excess sealant.
–  Install oil sump.
  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

Removing and installing crankshaft > < Removing and installing drive plate