Front Engine Plate: Service and Repair

Sealing Flange, Belt Pulley Side

Special tools, testers and auxiliary items required

• Counter Support (3415)

• Assembly Tool (T10053)

• Torque Wrench (5-50 Nm) (V.A.G 1331)

• Torque Wrench (40-200 Nm) (V.A.G 1332)

• Hand Drill with Plastic Brush Attachment

• Silicone Sealant (D 176 404 A)

• Flat Scraper

Removing

- Remove the toothed belt. Refer to => [ Toothed Belt ] Toothed Belt.

- Remove the crankshaft toothed belt gear. Secure the toothed belt gear using the counter support (3415).






- Drain the engine oil.

- Remove the oil pan. Refer to => [ Oil Pan ] Oil Pan.

- Remove the front sealing flange. If necessary, loosen it by tapping lightly with a rubber mallet.

- Remove any sealant residue from the cylinder block with a flat scraper.

- Remove any sealant residue from the sealing flange using a rotating plastic brush (wear safety glasses).






- Clean the sealing surfaces. They must be free of oil and grease.

Installing

• Note the expiration date of the silicone sealant.

• The sealing flange must be installed within 5 minutes after application of the silicone sealant.

- Cut the sealant tube nozzle at the front mark (nozzle diameter: approximately 3 mm).






• The sealant bead must not be thicker than 2 to 3 mm. The excess sealant could get into the oil pan and plug the screen in the suction pipe or it could drip onto the sealing surface of the crankshaft seal.

• Before applying the bead of sealant, cover the sealing surface on the seal with a clean cloth

- Apply a bead of silicone sealant - arrow - to the surface of the sealing flange as illustrated.






- Install the sealing flange immediately and tighten all bolts lightly.

• To position the sealing flange with the seal installed, use the guide sleeve (T10053/1).

- Tighten the sealing flange bolts in a diagonal sequence to 15 Nm.

- Install the crankshaft toothed belt gear.

- Install a new toothed belt gear bolt and tighten it to specification, see - item 2 - in the => [ Toothed Belt Overview ] Toothed Belt Overview.

- Install the oil pan. Refer to => [ Oil Pan ] Oil Pan.

• After installing, allow the sealant to dry for approximately 30 minutes. Only after then may the engine oil be added.

Install the toothed belt and adjust the valve timing. Refer to => [ Toothed Belt ] Toothed Belt.