Audi TT (2007 year). Manual — part 24
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 front right wheel.
– Release fasteners -1 ... 4- and remove centre noise insulation.
– Only on TT Roadster: Remove noise insulation frame
– Unplug electrical connector -2- on exhaust gas pressure sen‐
sor 1 -G450- .
Note
Ignore items marked -1- and -arrows-.
– Disengage fuel hose -3- at bracket.
– Pull off bracket for fuel lines towards right -arrow- and move
clear to one side.
– Unplug electrical connector -1- at supplementary fuel pump -
V393- .
– Remove bolts -2- and -4-, detach bracket with supplementary
fuel pump -V393- and move clear to one side.
1. Toothed belt drive
87
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.
– Loosen bolt -1-.
– Remove nut -2- and bolt -3-.
– Detach hose retainer -arrow- from fuel filter and move fuel filter
-8- clear to one side with fuel hoses -4 ... 7- connected.
– Unplug electrical connector -3- at radiator outlet coolant tem‐
perature sender -G83- .
– Remove nut -1- and bolt -2-.
– Move coolant pipe (right-side) -arrows- to side (coolant hoses
remain connected).
– Release retaining clips -arrows- and detach cover (top) for
toothed belt.
– Release fasteners -arrows- and remove right wheel housing
liner (bottom section).
– Remove vibration damper
.
Note
The poly V-belt tensioner does not have to be locked.
88
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 -arrows-.
– Detach toothed belt cover (bottom and centre).
Caution
Irreparable damage can be caused if the toothed belt slips.
♦ Turn crankshaft only in direction of engine rotation.
– Rotate crankshaft by turning bolt on crankshaft sprocket until
camshaft sprocket is positioned at “TDC”.
• The toothed segment -arrow- must face upwards.
– Lock camshaft hub with diesel injection pump locking pin
-3359- .
Note
♦
Camshaft sprocket is shown in illustration with toothed belt
removed.
♦
Disregard -item 1-.
– Lock crankshaft sprocket in position with crankshaft stop -
T10050- .
• The markings on the sprocket -2- and the crankshaft stop -1-
must align -arrow-. The pin of the crankshaft stop must engage
in the aperture in the sealing flange.
Note
The crankshaft stop can only be pushed onto the sprocket from
the front face of the teeth.
1. Toothed belt drive
89
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.
– Slacken bolts -1- for camshaft sprocket approx. 90°.
Note
Disregard -arrow-.
– Remove bolt -1- for coolant pipe.
– Using bit XZN 10 -T10385- , loosen bolts -2- for high-pressure
pump sprocket approx. 90°.
– Loosen nut -1- for tensioning roller.
– Turn eccentric adjuster of tensioning roller with special
wrench, long reach -T10264- anti-clockwise -arrow- until ten‐
sioning roller can be secured with locking tool -T10265- .
90
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