Audi TT (2007 year). Manual — part 49

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.

♦ Hose clamps for hoses up to 25 mm -3094-

♦ Hose clip pliers -V.A.G 1921-

♦ Drip tray for workshop hoist -VAS 6208-

Removing
– Remove engine cover panel -arrows-.

3. Coolant pipes, coolant temperature senders, coolant circulation pump

187

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.

– Release fasteners -1 ... 4- and remove centre noise insulation.

– Release fasteners -arrows- and remove right wheel housing

liner (bottom section).

188

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.

– Place drip tray for workshop hoist -VAS 6208- beneath engine.
– Unplug electrical connector -3- at radiator outlet coolant tem‐

perature sender -G83- .

– Clamp off coolant hoses using hose clamps -3094- , release

hose clips -arrows- and disconnect coolant hoses from coolant

pipe (right-side).

– Remove nut -1- and bolt -2- and take off coolant pipe (right-

side).

Installing
• Tightening torque

⇒ page 175

.

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

Note

Secure all hose connections with the correct type of hose clips

(same as original equipment) ⇒ Electronic parts catalogue .

– Install right wheel housing liner (bottom section) and noise in‐

⇒ page 169

.

3. Coolant pipes, coolant temperature senders, coolant circulation pump

189

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.

4

Radiator and radiator fans

WARNING

Risk of injury as the radiator fans may start up automatically.

♦ Unplug electrical connectors before starting to work in the

area of radiator cowl.

4.1

Radiator and radiator fans - exploded view

1 - Radiator fan -V7-

❑ With radiator fan control

unit -J293-

❑ Removing and installing

⇒ page 194

2 - Nut

❑ 5 Nm

3 - Radiator cowl

❑ Removing and installing

⇒ page 192

4 - Coolant hose (top)

❑ Connecting to radiator

⇒ page 191

5 - O-ring

❑ Renew

6 - Radiator

❑ Removing and installing

⇒ page 191

❑ If renewed, refill system

with fresh coolant

7 - O-ring

❑ Renew

8 - Coolant hose (bottom)

❑ Connecting to radiator

⇒ page 191

9 - Bolt

❑ 5 Nm

10 - Nut

❑ 5 Nm

11 - Bolt

❑ 5 Nm

12 - Radiator fan 2 -V177-

❑ Removing and installing

⇒ page 194

190