SEAT Workshop Service and Repair Manuals

Removing and installing sealing flange (gearbox end) Special tools and workshop equipment required t  Electric drill with plastic brush attachment t  Protective glasses t  Silicone sealant -D 174 003 A2- t  Guide sleeve -T20097- Removing: l  Gearbox removed. l  Flywheel removed → Chapter.

–  Unhook intermediate plate on sealing flange and on the dowel sleeves -arrows-.

–  Remove bolts -1 ... 8-. –  Remove sealing flange (gearbox end). Installing:   Note t  Note the expiry date of the silicone sealant. t  The sealing flange must be installed within 5 minutes of applying silicone sealant. t  The bead of sealant must not be thicker than specified, otherwise excess sealant can enter the sump and obstruct the strainer in the oil intake pipe. t  After installing the sealing flange, wait about 30 minutes for the sealant to dry. Only then should the engine be refilled with oil. –  Remove sealant remaining on cylinder block with flat scraper.   WARNING Wear eye protection.

–  Remove sealant residue on sealing flange using rotating plastic brush or similar. –  Clean sealing surfaces; they must be free of oil and grease.

–  Cut off tube nozzle at upper marking (nozzle Ø: approx. 2 mm).

–  Apply silicone sealing compound bead, as shown in diagram, to clean sealing surface of sealing flange. t  Thickness of the sealant grub: 2 ... 3 mm

–  Fit guide sleeve -T20097- onto crankshaft journal. –  Slide sealing flange over guide sleeve -T20097- onto crankshaft journal.

–  Tighten bolts -1 to 8- in the sequence shown: –  1. Screw in and tighten bolts by hand. –  2. Tighten bolts to 9 Nm. Further assembly is performed in the reverse sequence.