Audi TT (2007 year). Manual — part 50
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.
Connecting coolant hose with plug-in connector
– Remove old O-ring -2- from coolant hose -3-.
– Lightly lubricate new O-ring with coolant and fit O-ring in cool‐
ant hose.
– Press coolant hose onto connection -1- until it engages audi‐
bly.
– Press coolant hose in again and then pull to check that plug-
in connector is correctly engaged.
4.2
Removing and installing radiator
Special tools and workshop equipment required
♦ Drip tray for workshop hoist -VAS 6208-
Removing
Note
Even when the radiator and condenser are correctly installed,
slight impressions may be visible on the fins of these components.
This does not mean that the components are damaged. If the fins
are only very slightly distorted, this does not justify renewal of the
radiator or the condenser.
– Remove radiator cowl
.
– Lift retaining clip -arrow- and disconnect coolant hose (top left)
from radiator.
4. Radiator and radiator fans
191
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.
– Unplug electrical connector -A- at high-pressure sender -G65-
-item B-.
Note
Disregard -item C-.
– Place drip tray for workshop hoist -VAS 6208- beneath engine.
– Remove bolts -arrows- at rear and lift out radiator.
Installing
• Tightening torque
.
Installation is carried out in the reverse order; note the following:
Note
♦
Renew seals and O-rings.
♦
Secure all hose connections with the correct type of hose clips
(same as original equipment) ⇒ Electronic parts catalogue .
– Install radiator cowl
.
– Fill up with coolant
.
4.3
Removing and installing radiator cowl
Removing
– Remove engine cover panel -arrows-.
192
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.
– Pull cover off air duct (release clips on sides) -arrows-.
– Release clips on left and right -arrow A- and unclip air duct at
bottom -2-.
– Swivel air duct (bottom) slightly to the rear and detach air duct
(bottom) from retainers -3-.
– Detach air pipe -1- from air duct (bottom) -arrow B-.
– Remove bolts -arrows- and detach air duct -1- from lock car‐
rier.
– Remove bolts -top arrows- for radiator cowl.
Note
The bolts -bottom arrows- are removed at a later stage.
4. Radiator and radiator fans
193
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.
– Release fasteners -1 ... 4- and remove centre noise insulation.
– Unplug electrical connector -1-.
– Remove bolts -bottom arrows- and lift out air cowl.
Installing
• Tightening torque
.
4.4
Removing and installing radiator fans -
V7- / -V177-
Removing
– Remove radiator cowl
– Unplug electrical connector -1- and move clear.
– Unscrew nuts -arrows- and remove radiator fans.
Installing
• Tightening torque
.
Installation is carried out in the reverse order; note the following:
Note
Fit all cable ties in the original positions when installing.
– Install radiator cowl
.
4.5
Checking cooling system for leaks
Special tools and workshop equipment required
194
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