Sealing Flange With Crankshaft Seal, Belt Pulley Side

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, and 2010 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Spanner Wrench 3212
Assembling Device T40048
Assembly Device T40048/1
Pull Sleeve T40048/2
Hand drill with plastic brush attachment
Protective goggles
Sealant

Procedure

Tightening specification, refer to Figure.

-- Remove vibration damper. Refer to VIBRATION DAMPER .

-- Remove the bolts for the coolant pump ribbed belt pulley, using a 3212 to counter hold.

Fig 1: Identifying Coolant Pump Ribbed Belt Pulley Bolts -Arrows- Removal With 3212 To Counterhold.

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-- Remove the bolts -arrows-.

Fig 2: Identifying Bolts & Front Sealing Flange, Removal

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-- Loosen the sealing flange on the ribbed belt side from the bond and then remove it.

NOTE:

Replace the ribbed belt side sealing flange.

Fig 3: Identifying Rotating Plastic Brush

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CAUTION:

Risk of contaminating lubricating system.

Cover open parts of engine.

WARNING:

Danger of eye injury.

Wear protective goggles.

-- Remove the sealant residue on the cylinder block and the upper section of the oil pan, for example using a rotating plastic brush.

-- Clean any oil or grease off the sealing surfaces.

NOTE:

Note the expiration date of the sealing compound.

Fig 4: Cutting Tube Nozzle At Front Marking (Nozzle Diameter Approx. 1.5 mm)

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-- Cut the tube nozzle at the front marking (nozzle diameter approximately 1.5 mm).

Fig 5: Applying Bead Of Sealant To Clean Sealing Surface Of Sealing Flange

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CAUTION:

The lubrication system could be plugged with excess sealant.

Do not apply sealant bead thicker than indicated.

-- Apply the sealant bead -arrow- to the clean sealing surface on the ribbed belt side sealing flange as shown in the illustration.

The groove of sealing surface must be completely filled with sealant.
The sealant bead must be 1.5 to 2.0 mm above the sealing surface.

NOTE:

The ribbed belt side sealing flange must be installed within 5 minutes of applying the sealant.

-- Place the T40048/1 on the T40048/2 and slide the sealing flange -1- onto the pull sleeve.

Fig 6: Inserting Assembly Device T40048/1 Onto Pull Sleeve T40048/2 And Sliding Sealing Flange Onto Pull Sleeve

Courtesy of AUDI OF AMERICA, LLC

-- Remove the assembly device.

-- Then position the sealing flange with the T40048/2 installed on the crankshaft.

Fig 7: Placing Sealing Flange With Inserted Pull Sleeve T40048/2 Onto Crankshaft

Courtesy of AUDI OF AMERICA, LLC

-- Without tipping, push the sealing flange onto the engine sealing surface and fasten. Refer to Figure.

Install in reverse order of removal paying attention to the following:

-- Install the coolant pump ribbed belt pulley. Refer to COOLANT PUMP, COOLANT THERMOSTAT AND CONNECTING PIECE OVERVIEW .

-- Install vibration damper. Refer to VIBRATION DAMPER .