Audi TT (2007 year). Manual - part 16

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not 
 permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability 
     with respect to the correctness of information in this document. Copyright by AUDI AG.

Procedure
– Remove toothed belt 

⇒ page 86

 .

– Loosen bolt for crankshaft sprocket using counterhold tool

-3415- .

– Remove bolt and detach crankshaft sprocket.

– Adjust inner section of oil seal extractor -3203- so it is flush

with the outer section and lock in position with knurled screw.

– Lubricate threaded head of oil seal extractor, place it in posi‐

tion and screw it into oil seal as far as possible (applying firm

pressure).

– Loosen knurled screw and turn inner part against crankshaft

until the oil seal is pulled out.

– Clamp flats of oil seal extractor in vice and use pliers to remove

oil seal.

– Clean contact surface and sealing surface for oil seal.
– Remove oil residue from crankshaft journal with a clean cloth.

Note

Do not lubricate sealing lip and outer rim of oil seal before press‐

ing in.

– Fit guide sleeve -T10053/1- onto crankshaft journal.
– Push oil seal over guide sleeve onto crankshaft journal.

– Press in oil seal using bolt for crankshaft sprocket and thrust

sleeve of assembly tool -T10053- until flush.

– Install crankshaft sprocket 

⇒ page 84

 .

– Install toothed belt (adjust valve timing) 

⇒ page 91

 .

1. Cylinder block (pulley end)    

55

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not 
 permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability 
     with respect to the correctness of information in this document. Copyright by AUDI AG.

1.10

Removing and installing sealing flange

(pulley end)

Special tools and workshop equipment required
♦ Counterhold tool -3415-

♦ Electric drill with plastic brush attachment
♦ Safety goggles
♦ Sealant ⇒  Electronic parts catalogue
Removing
– Remove toothed belt 

⇒ page 86

 .

– Loosen bolt for crankshaft sprocket using counterhold tool

-3415- .

– Remove bolt and detach crankshaft sprocket.

– Remove bolts -1 ... 10- and carefully release sealing flange

from bonded joint.

– Drive out oil seal with sealing flange removed.
Installing
• Tightening torque 

⇒ page 53

 .

Installation is carried out in the reverse order; note the following:

Caution

Make sure sealant residue does not enter lubrication system.

♦ Place a clean cloth over the exposed section of the sump.

– Carefully remove sealant residue on cylinder block and sump.

56

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not 
 permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability 
     with respect to the correctness of information in this document. Copyright by AUDI AG.

WARNING

Protect eyes against injuries.

♦ Wear safety goggles.

– Use e.g. rotating plastic brush to remove sealant residue on

sealing flange.

– Clean sealing surfaces; they must be free of oil and grease.

Note

Note the use-by date of the sealant.

– Cut off nozzle of tube at front marking (nozzle ∅ approx. 2

mm).

– Apply a thin bead of sealant at the edge of the joint between

the cylinder block and the sump -arrows-.

Caution

Make sure lubrication system is not clogged by excess sealant.

♦ The bead of sealant must not be thicker than specified.

– Apply bead of sealant -arrow- onto clean sealing surface of

sealing flange as shown in illustration.

• Thickness of sealant bead: 2 ... 3 mm

1. Cylinder block (pulley end)    

57

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not 
 permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability 
     with respect to the correctness of information in this document. Copyright by AUDI AG.

– Apply a thin coat of sealant to bottom sealing surface

-shaded- on sealing flange.

Note

The sealing flange must be installed within 5 minutes after apply‐

ing the sealant.

– Carefully fit sealing flange onto dowel pins in cylinder block.

– Tighten sealing flange bolts 

⇒ page 54

 .

– Install crankshaft oil seal (pulley end) 

⇒ page 54

 .

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