Audi TT (2007 year). Instruction - page 32

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.

– Remove retaining frame again.
– Compare width of Plastigage with measurement scale.
Radial clearance: 0.035 ... 0.085 mm

3.4

Renewing camshaft oil seal

Special tools and workshop equipment required
♦ Fitting tool -10 - 203-

♦ Oil seal extractor -3240-

♦ M12x1.5x75
Procedure
– Remove camshaft sprocket and hub

⇒ “3.5 Removing and installing camshafts”, page 121

.

– Insert thrust piece -3240/1- in camshaft.

3. Valve gear

119

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.

– Screw inner section of oil seal extractor -3240- two turns out

of outer section (approx. 3 mm) and lock 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 section against camshaft

until 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.

Note

The sealing lip of the oil seal must not be additionally oiled or

greased.

– Apply guide sleeve of fitting tool -10 - 203- to camshaft as

shown in illustration.

– Carefully push oil seal -1- over guide sleeve and onto cam‐

shaft.

– Press in oil seal onto stop using thrust piece of fitting tool -10

- 203- and bolt M12×1.5×75.

– Install camshaft sprocket and hub

⇒ “3.5 Removing and installing camshafts”, page 121

.

– Install toothed belt (adjust valve timing)

⇒ page 91

.

120

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.

3.5

Removing and installing camshafts

♦ Diesel injection pump lock‐

ing pin -3359-

♦ Counterhold tool -T10051-
♦ Puller -T10052-
♦ Camshaft fitting tool -

T40094-

♦ Camshaft fitting tool -

T40095-

♦ Clamping tool -T40096/1-

♦ Electric drill with plastic brush attachment
♦ Safety goggles
♦ Sealant ⇒ Electronic parts catalogue
Removing
• Cylinder head installed.
– Remove engine cover panel -arrows-.
– Take toothed belt off camshaft sprocket and high-pressure

pump sprocket

⇒ “1.2 Removing and installing toothed belt”, page 86

.

– Remove cylinder head cover

⇒ page 98

.

3. Valve gear

121

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.

– Remove bolts -1- and detach camshaft sprocket.

– Counterhold using counterhold tool -T10051- and loosen bolt

-1- for camshaft hub.

– Unscrew bolt approx. 2 turns.

– Apply puller -T10052- to camshaft hub and and screw bolts

-1- into hub.

– Counterhold on hexagon flats (30 mm) of puller and screw in

bolt -2- to pull off camshaft hub.

– Slacken retaining frame bolts and nuts in the sequence

-24 ... 1-.

– Remove bolts and carefully release retaining frame from bon‐

ded joint.

– Mark fitting location of camshafts for re-installation and re‐

move.

Installing
• Tightening torques

⇒ page 116

Caution

Make sure axial bearings in retaining frame are not damaged.

♦ The camshafts MUST be installed using the camshaft fit‐

ting tool -T40094- as described in the following.

122

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