Engine Code CNNA

Crankshaft Sealing Flange, Vibration Damper Side

Special tools, testers and auxiliary items required

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

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

• Counterhold Tool (T10172)

• Silicone Adhesive Sealant (D 176 501 A1)

Removing

- Remove the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Remove the vibration damper. To do so, secure the vibration damper using the counterhold tool (T10172). Refer to => [ Vibration Damper ] Service and Repair.






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

- Remove the sealing flange bolts and flange.

- Remove any sealant residue from the sealing surfaces.

Installing

• The supplied guide sleeve may be removed before installing.

- Before installing, remove any remaining oil from the crankshaft journal with a clean cloth.

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






- Apply a bead of silicone adhesive sealant (D 176 501 A1) approximately 2 to 3 mm thick as shown - arrows - onto the clean sealing flange sealing surface.

• Cover the seal with a clean cloth before applying the sealant.

• The sealant bead must not be thicker than 2 to 3 mm or the excess sealant could get into the oil pan and clog the suction pipe strainer.

• Note the expiration date of the sealant.

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

- Install the sealing flange - 1 - and the seal guide sleeve - 2 - onto the crankshaft journal.






- Carefully slide the sealing flange and seal over the guide sleeve.

- Secure the sealing flange to the cylinder block. Tightening specification: 10 Nm

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

• The vibration damper bolts must be replaced.

- Install the vibration damper. Refer to => [ Vibration Damper ] Service and Repair.

- Install the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.