Audi TT (2007 year). Manual — part 28

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.

♦ Puller -T10052-

Removing

Caution

To prevent damage to the electronic components when dis‐

connecting the battery:

♦ Observe notes on procedure for disconnecting the battery.

– Disconnect earth wire at battery with ignition switched off ⇒

– Drain coolant

⇒ page 163

.

⇒ page 192

.

– Release hose clip -2-, lift retaining clip -1- and remove air hose.

2. Cylinder head

103

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 -3-.
– Slacken hose clip -5- at intake manifold flap motor -V157- ,

detach air pipe -2- but do not remove.

Note

Disregard -item 4-.

– Remove nuts -2- and bolts -3-, and detach exhaust gas recir‐

culation pipe.

Note

Disregard -item 1-.

– Remove bolt -2- and banjo bolt -3-.
– Detach support for turbocharger from oil return line.

Note

Disregard -item 1-.

104

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 nuts -2-.

Note

Disregard -item 1-.

– Remove bolts -arrows- and detach bracket -1- for air cleaner

housing.

– Press release tabs and disconnect crankcase breather hose

-1- from cylinder head cover.

– Move clear vacuum hoses -arrows- at air pipe.
– Loosen hose clip -2- and detach air pipe.

– Unplug electrical connector -1- at position sender for charge

pressure positioner -G581- .

– Detach vacuum hose -2- from vacuum unit of turbocharger.
– Disconnect vacuum hose -3-.
– Remove exhaust gas temperature sender 1 -G235-

⇒ page 223

.

2. Cylinder head

105

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 bolt -2- and remove clamp.

Note

Disregard -items 1, 3-.

– Move clear electrical wiring at turbocharger.

– Unplug electrical connector -2- on exhaust gas pressure sen‐

sor 1 -G450- .

– Remove bolt -1-.

Note

Disregard -arrows-.

– Remove upper bolt -1- at bracket for particulate filter and tie

particulate filter to rear.

– Unplug electrical connectors -1- at exhaust gas recirculation

valve -N18- and -3- at intake manifold flap motor -V157- .

– Remove bolt -arrow- for dipstick guide tube.
– Remove bolts -2- for exhaust gas recirculation pipe.

Note

Disregard -item 4-.

– Unclip wiring harness from retainer -arrow-.

106