SEAT Workshop Service and Repair Manuals

Removing and installing sealing flange - pulley end

Special tools and workshop equipment required

t	Counterhold tool -3415- (only vehicles 06.00 ►)

t	Assembly tool -T10053-

t	Torque wrench (5... 50 Nm) -V.A.G 1331-

t	Torque wrench (40... 200 Nm) -V.A.G 1332-

Special tools and workshop equipment required

t  Counterhold tool -3099- (only vehicles ► 05.00) Not illustrated Silicone sealant -D 176 404 A- Hand drill with plastic brush attachment Flat scraper Eye protection Removing –  Remove poly V-belt → Chapter. –  Remove toothed belt → Chapter. Vehicles ► 05.2000

–  Remove crankshaft toothed belt pulley. To do this, lock toothed belt pulley using counterhold tool -3099-.   Note When bolting on counterhold tool, place two washers between toothed belt pulley and counterhold tool. Vehicles 06.2000 ► –  Remove charge air pipe → Item or → Item. –  Unbolt charge air pipe bracket from sump → Item or → Item.

–  Remove crankshaft toothed belt pulley. To do this, lock toothed belt pulley using counterhold tool -3415-. Continuation for all vehicles –  Drain engine oil.   Note Observe environmental regulations for disposal. –  Remove sump → Chapter. –  Unbolt front sealing flange. –  Remove sealing flange; if necessary, loosen using light blows with a rubber headed hammer. –  Remove sealant residue from cylinder block with a flat scraper.   WARNING Wear eye protection.

–  Use rotating plastic brush to remove sealant residue on sealing flange. –  Clean sealing surfaces. They must be free of oil and grease. Installing   Note t  Observe expiry date of sealing compound. t  The sealing flange must be installed within 5 minutes of applying the silicone sealant.

–  Cut off tube nozzle at forward marking (approx. 3 mm nozzle Ø). –  Apply silicone sealing compound, as shown, to clean sealing surface on sump. Sealant bead must be: t  2 ... 3 mm thick. t  Run bead along inner side of bolt holes -arrows-.   Note t  Sealant bead should not be thicker because otherwise excess sealant can enter sump and plug up strainer in oil pump suction pipe, as well as drip onto crankshaft oil seal. t  Before applying sealant bead, cover sealing surface of oil seal with a clean cloth.

–  Apply silicone sealant bead as shown to clean sealing surface of sealing flange. –  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. Specified torque:15 Nm –  Install sump → Chapter.   Note Sealing compound must dry for approx. 30 minutes after installation. Only then fill with engine oil. Vehicles ► 05.2000

–  Install crankshaft toothed belt pulley and lock with counterhold tool -3099-.   Note When bolting on counterhold tool, place two washers between toothed belt pulley and counterhold tool. Vehicles 06.2000 ►

–  Install crankshaft toothed belt pulley and lock with counterhold tool -3415-. Continuation for all vehicles   Note t  The contact surfaces between toothed belt pulley and crankshaft must be free of oil. t  The centre bolt must be renewed. t  Thread and shoulder must be free of oil and grease. –  Tighten new centre bolt to 120 Nm and then 1/4 turn (90°) further (turning further can be done in several stages). Further assembly is basically the reverse of the dismantling sequence. –  Install toothed belt and adjust valve timing → Chapter. –  Install poly V-belt → Chapter.