Audi TT (2007 year). Manual - part 41

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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

– 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

– 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

♦ 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

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