Sealing Flange, Belt Pulley Side

Sealing Flange, Belt Pulley Side

Special tools, testers and auxiliary items required

• Trim Removal Wedge (3409)

• Oil Seal Guide Sleeve (T03004)

• Hand drill with plastic brush attachment

• Protective eyewear

• Silicone sealant (D 174 003 A2)

Removing

- Remove the Air Conditioning (A/C) compressor ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Lock the crankshaft. Refer to => [ Crankshaft, Locking ] Procedures.

- Remove the crankshaft/vibration damper pulley.

- Remove the Air Conditioning (A/C) compressor ribbed belt tensioner - 1 -.





- Remove the sealing flange bolts - 2 -.

- Begin at the alignment bushings - arrows - to pry off the sealing flange - 1 - using a suitable screwdriver - A -.





- Use (3409) to support the screwdriver in order to prevent damage to the sealing surface of the cylinder block.

Sealing flange is damaged while removing.

- Pry off the sealing flange completely.

• After removing the sealing flange, clean the (3409) which is intended for the removal of interior trim parts.

Installing

CAUTION!
To prevent injuries from shavings, wear protective goggles and protective clothing.

- Remove the remainder of sealant from the cylinder block using a rotating plastic brush.

CAUTION!
Make sure that no sealant residue enters the engine.

- Clean the sealing surfaces on the cylinder block and crankshaft. They must be free of oil and grease.

• Do not additionally oil or grease the sealing lip on the sealing flange!

• The following steps must be followed so that the sealing lip on the sealing flange does not roll itself up when installing.

- Widen the sealing lip of the new sealing flange seal as shown using the (T03004).





The surface - A - is the outer side.

- After a short time, remove the (T03004) and slide it rotated 180° into the seal.





(T03004) must stand out approximately 3 mm on the inner side - B -. The surface - A - is the outer side. The surface - B - is the inner side (sealing surface).

- Cut the tube nozzle at the front mark (nozzle diameter approximately 2 mm).





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

- Apply the sealant bead - A - as shown into the groove in the sealing flange.





• Sealant bead width: 2.5 to 3.0 mm

• Seal bead height over the sealing surface: approximately 1.0 mm

- Install the sealing flange using the (T03004) on crankshaft journal and press uniformly on the cylinder block.





- Tighten bolts - A - uniformly in a diagonal sequence.

The rest of the installation follows the reverse of the removal procedures. When doing this note the following:

• Remove the (T40069) from the rear of the cylinder block and install the locking bolt.

Tightening Specifications