Audi TT (2007 year). Manual - part 48

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 -2, 5- and -arrows-.
– Use removal lever -80 - 200- to move electrical wiring and ho‐

ses at air pipe (left-side) clear.

– Loosen hose clip -3- and detach air pipe (left-side).

Note

Disregard -items 1, 4-.

– Remove nut -1- and bolts -2-, detach exhaust gas recirculation

pipe.

– Remove nut -2- at retaining clip for vacuum line.
– Remove bolt -1-.
– Unscrew oil supply line from connection on turbocharger. To

do so, counterhold at hexagon flats with an open-end spanner

and slacken union nut -3-.

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

183

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 electrical connector -2- for Hall sender -G40- from

bracket and unplug connector.

– Detach bracket from coolant pipe (front).
– Release hose clips -1- and -3- and disconnect coolant hoses.
– Remove bolts -arrows- and detach coolant pipe (front) from

left side of cylinder block.

Installing
• Tightening torques 

⇒ page 151

 , 

⇒ page 175

 .

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

Note

♦

Renew gaskets, seals and O-rings.

♦

Hose connections and air pipes and hoses must be free of oil

and grease before assembly.

♦

Secure all hose connections with the correct type of hose clips

(same as original equipment) ⇒  Electronic parts catalogue .

♦

To ensure that the air hoses can be properly secured at their

connections, spray rust remover onto the worm thread of used

hose clips before installing.

– Clean and smoothen sealing surface for O-ring.
– Lightly lubricate O-ring with coolant and slide O-ring onto cool‐

ant pipe (front).

– Push coolant pipe (front) into cylinder block.
– Install oil supply line 

⇒ page 151

 .

– Install exhaust gas recirculation pipe 

⇒ page 227

 .

– Install air pipe (left-side) 

⇒ page 208

 .

– Install gear selector cable and gate selector cable ⇒  Rep. Gr. 

34 .

⇒ page 153

 .

⇒ page 166

 .

3.6

Removing and installing coolant pipe

(left-side)

Special tools and workshop equipment required

184

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.

♦ Removal lever -80 - 200-

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

♦ Hose clip pliers -V.A.G 1921-

♦ Drip tray for workshop hoist -VAS 6208-

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

185

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.

– Move wiring harnesses -arrows- and electrical connector -1-

clear at bracket.

– Remove bolts -2, 5- and -arrows-.
– Use removal lever -80 - 200- to move electrical wiring and ho‐

ses at air pipe (left-side) clear.

– Loosen hose clip -3- and detach air pipe (left-side).
– Place drip tray for workshop hoist -VAS 6208- beneath engine.
– Clamp off coolant hoses using hose clamps -3094- , release

hose clips -1- and -4- and disconnect coolant hoses from cool‐

ant pipe (left-side).

– Detach coolant pipe (left-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 air pipe (left-side) 

⇒ page 208

 .

⇒ page 166

 .

3.7

Removing and installing coolant pipe

(right-side)

Special tools and workshop equipment required

186