Audi TT (2007 year). Manual — part 41

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 bolt -arrow-.
– Press pump for exhaust gas recirculation cooler -V400- to

side.

Note

Disregard -items 1, 2, 3-.

– Pull oil dipstick out slightly and remove bolts -arrows-.
– Pull guide tube for oil dipstick upwards out of cylinder block

and push to one side.

– Unplug electrical connector -1- at oil pressure switch -F1- us‐

ing assembly tool -T10118- .

– Remove oil pressure switch -F1- -item 2-.
– Disconnect oil supply line from connection on oil filter bracket.

To do so, counterhold at hexagon flats with an open-end span‐

ner and loosen union nut -3-.

2. Oil filter bracket and engine oil cooler

155

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 used oil collection and extraction unit -V.A.G 1782- be‐

low engine.

– Unscrew bolts -arrows- and remove oil filter bracket.
Installing
• Tightening torques

⇒ page 151

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.

– Install oil filter bracket

⇒ page 152

.

– Install dipstick guide tube

⇒ page 138

.

– Install pump for exhaust gas recirculation cooler -V400-

⇒ page 175

.

– Install air pipe (front)

⇒ page 208

.

– Install air hose with plug-in connector

⇒ page 209

.

– Install radiator cowl

⇒ page 192

.

– Top up engine oil and check oil level ⇒ Maintenance ; Booklet

810 .

– Check coolant level

⇒ page 169

.

2.3

Removing and installing oil pressure

switch -F1-

Special tools and workshop equipment required
♦ Assembly tool -T10118-

156

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 -1- at oil pressure switch -F1- us‐

ing assembly tool -T10118- .

– Remove oil pressure switch -F1- -item 2-.

Note

Disregard -item 3-.

Installing
• Tightening torque

⇒ page 151

.

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

Note

Renew seal.

2.4

Checking oil pressure switch -F1-

Special tools and workshop equipment required
♦ Oil pressure tester -V.A.G 1342-

2. Oil filter bracket and engine oil cooler

157

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.

♦ Voltage tester -V.A.G 1527B-

♦ Auxiliary measuring set -V.A.G 1594C-

Procedure
• Oil level OK
• Engine oil temperature approx. 80 °C.
– Remove oil pressure switch -F1-

⇒ page 156

.

– Connect oil pressure tester -V.A.G 1342- to bore for oil pres‐

sure switch.

– Screw oil pressure switch -F1- -item 2- into threaded hole in

oil pressure tester.

– Connect brown wire -1- of oil pressure tester to earth (–).
– Connect voltage tester -V.A.G 1527B- with adapter leads from

auxiliary measuring set -V.A.G 1594C- to oil pressure switch

-F1- and battery positive (+).

• LED should not light up.

Note

Renew oil pressure switch -F1- if LED lights up at this stage.

Note

Observe oil pressure tester and LED while starting engine, as

switching point of oil pressure switch may already be exceeded

when starting.

• LED should light up at 0.55 ... 0.85 bar.
– Renew oil pressure switch -F1- if LED does not light up.
– Install oil pressure switch -F1-

⇒ page 156

.

158